If an application has been assigned a classification combination set, this is displayed in the It has revolutionised access to worldwide patent information on the internet, offering easy-to-use features for searching patent information. For example, if you enter H01L21/027/low in the "CPC" search field of the Advanced search mask, you will get all hierarchically dependent entries such as H01L21/033, etc. H. ELECTRICITY. The CPC International project (CPCI) was launched on 24/25 August 2019. In On 1 January 2013, the EPO started classifying its . If you encounter a symbol printed with a blank after the fourth letter or digit, e.g. Therefore, if there is a number - for example (+3) - displayed in brackets next to the classification, this indicates how many more symbols can be viewed by clicking on the patent title. You should bear in mind that when you search with a CPC or IPC symbol, you can only find documents to which a CPC or IPC symbol has actually been assigned. Read the regular postings from the forum team, post your questions, and answer those of other users. , you can enter the classification symbol(s) with or without the field identifier. Classification Text Search. To view the text of a specific CPC class, go to the Classification search mask, where you can navigate to any classification. patent search espacenet Pin on Advanced search: search collection and European Patent Office launches new , improving IP Corner: Patent databases, which one is right UGent IO digitaal: EspaceNet patent The new version of patent retrieval system of EPO - Did you know - | Obtaining Patent Data 3: Classification Search and kept all the properties of the IPC (hierarchy, titles, expandability). You can click on the S symbol in the description area to download the scheme of a certain symbol as a PDF file. On 1 January 2013, the EPO started classifying its . CPC indexing codes can only be used to classify and search 'additional information' - in a similar way as with IPC indexing codes. Patent applications are classified in classification schemes on the basis of their technical content. . Smart search The European Classification System (ECLA) has been replaced by the Cooperative Patent Classification (CPC) in Espacenet. Enter one or more keywords in the field to search the Classification Scheme (Schedule) and Definitions. In Classification search enter the classification symbol in the search field and click Search . Y10T TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; Y10T156/00 Adhesive bonding and miscellaneous chemical manufacture; Y10T156/12 Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing; Y10T156/1317 Means feeding plural workpieces to be joined By Payer Id, every provider and insurance company or payer systems connect electronically with each other. (Currently curly brackets are not used in either the CPC 2000 series or the Y section.). Supporting information can help you understand whether a patent has been granted and if it is still in force. fields with keyword queries in the Abstract More information is available on the CPC website. and get started right away? Ouvrir Espacenet Ouvrir la version classique d'Espacenet Les bases de donnes nationales Y. or any other combination of uppercase and lowercase letters. "fuel cells") Select Classification System: All CPC All USPC. Cooperative Patent Classification (CPC) Classification searches. The CPC is subject to ongoing revision by both offices, and documents are reclassified accordingly. If you do not enter a field identifier and your search term conforms to the CPC or IPC pattern, the search engine will automatically recognise your search term as a classification symbol and use cl as the general field identifier. There can be a maximum of six digits after the "/". Database description Espacenet is a free patent search tool accessible to beginners and experts. they help to clarify how precisely the subject-matter falling within each classification entry is defined. We will keep classic Espacenet running for a little while longer so that the transition is smooth. Following a transition period, from 2015 onwards the USPTO will also classify using the CPC instead of the USPC. Espace net Patent search. FR1063996A FR1063996DA FR1063996A FR 1063996 A FR1063996 A FR 1063996A FR 1063996D A FR1063996D A FR 1063996DA FR 1063996 A FR1063996 A FR 1063996A Authority FR France Prior art keywords zag flat springs new manufacturing called zig zig Prior art date 1952-10-01 Legal status (The legal status is an assumption and is not a legal conclusion. Bibliographic data A63B49 File wrappers are . Find patents. This makes it easier to manage and to search for patent applications in a given technical field. Selected classifications. Classification combination sets can only be searched in Smart search with the field identifier cpcc. You can then browse the CPC scheme for more information and to find other classification symbols that might also be relevant for your search in a specific technical field. G PHYSICS; G01 MEASURING; TESTING; G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME; G01F1/00 Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow; G01F1/05 Measuring the volume flow or mass flow of fluid or fluent solid material . Classification combination sets can only be searched in Smart search with the field identifier cpcc. f mechanical engineering; lighting; heating; weapons; blasting; f16 engineering elements and units; general measures for producing and maintaining effective functioning of machines or installations; thermal insulation in general; f16b devices for fastening or securing constructional elements or machine parts together, e.g. Click on the green CPC button in the Classification search to display CPC-related text in green. Search . Espacenet: free access to millions of patent documents. Are the help files available in other languages. . It may therefore be worthwhile carrying out certain searches twice: once using keywords and once using CPC and IPC classification symbols. Greyed-out symbols in the 2000 series are dummy symbols which are there to show the correct hierarchy. A free and public access point with Espacenet technology for the search of technical information in Spanish and Portuguese in patent documents of Latin American countries and Spain. Combining the best classification practices of the two offices, it allows searchers to retrieve relevant prior art efficiently. Searching with classification symbols offers advantages over searching with keywords. Espacenet: free access to the database of over 120 million patent documents These can be viewed and downloaded in PDF format by clicking on the D symbol (where available) in the description area. You can (re-)start a search with specific symbols. Accessible to beginners and experts, Espacenet contains data on more than 100 million patent documents from around the world. The International Patent Classification system (IPC), established by the Strasbourg Agreement 1971, is a hierarchical system which uses language-independent symbols to classify patents and utility models according to the area of technology to which they relate. The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. Are the help files available in other languages? Patent classification is a system for organizing all U.S. patent documents and other technical documents into specific technology groupings based on common subject matter. Certain documents cannot be found with a keyword search, because you cannot search for keywords in documents which do not have a title or abstract. It contains data on more than 120 million patent documents from around the world and is updated daily. Tip: Use quotes to search for exact phrases (e.g. Supporting information can help you understand whether a patent has been granted and if it is still in force. The symbols consist of only numeric characters after the forward slash. You can refine your search by combining the Boolean operators AND or OR with proximity . If an examiner notes that the contents of a specific document differ from those of the first document classified, the family can be rebuilt so as to allow the assignment of a different CPC classification. Use the or For more information, including concordance tables, CPC definitions and news, visit the CPC website, which is jointly hosted by the EPO and the USPTO. To open the Classification search area, . do not enter a64b49 Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art. They describe the classification practice in each technical area down to at least the main group level, but in many cases even down to the subgroup level. enter the classification symbol in the search field and click Both the EPO and the USPTO will continue to classify in the IPC. PHYSICS. Cooperative Patent Classification (CPC) Classification searches. When a patent document is given a CPC classification, its family members (documents claiming exactly the same priorities) are also given the same classification. If you want to search all entries hierarchically below a certain group, you should use the low operator. Deutsch; English; Franais; Contact; Change country ; Albania . You can refine your search by combining the Boolean operators AND or OR with proximity . Need some time to get familiar with new Espacenet? Do not enter blanks in classification symbols. It is estimated that 90% of the documents requiring a CPC classification will get one within eight months after publication. relationship between large subject-matter areas. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art. It has revolutionised access to worldwide patent information on the internet, offering easy-to-use features for searching patent information. They are assigned classification symbols, for example A43B49. This makes it easier to manage and to search for patent applications in a given technical field Searching with classification symbols offers advantages over searching with keywords. Over time, Espacenet has continually extended its data coverage, and today it offers free access to more than 100 million patent documents from over 100 patent authorities. Enjoy a seamless search experience and an application that adapts to the size/format of your devices, Search in all data, including full text, per default, See your search query at all times and refine it whenever you want, Browse the entire result list with abstract snippets and/or drawings, Navigate the result list and document details at the same time, Build your query intuitively using Advanced search, Filter your results according to predefined categories and run statistical analyses. ECLA classifications are assigned to patent documents by EPO examiners in order to facilitate . A63B49* On 1 January 2013, the EPO started classifying its documentation using the CPC instead of ECLA. You can use Espacenet to: search and find patent publications search and find patent publications The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. discussion forum Classification search. The CPC scheme also includes CPC definitions, which are available for (almost) all subclasses and main-groups. The CPC is the EPO's main classification scheme. The Cooperative Patent Classification (CPC) System is the patent classification system used in Europe, the U.S., and in various other parts of the world. The scope of a combination set can vary across technical fields. It is also more homogeneous and more systematic. From left to right, the different buttons allow you to customise the browser and select the arrows to display the symbols on the left and the titles on the right, or vice versa; toggle between an indented dot hierarchy and a tree structure; see where IPC texts start and finish (CPC text is highlighted in green); select whether notes and . International Patent Classification (IPC), a 2000 series of indexing codes for additional information. , if you want to find all child levels of this group. with the field identifier cpcc. The CPC also includes a Y section for tagging emerging technologies or technologies spanning several sections of the CPC. Espace net. You can then browse the CPC scheme for more information and to find other classification symbols that might also be relevant for your search in a specific technical field. The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. Ses fonctionnalits vous permettent de : Profiter d'une exprience de recherche fluide et d'une application qui s'adapte la taille/au format de vos appareils Rechercher par dfaut dans toutes les donnes, y compris le texte intgral Classification search Espacenet: free access to millions of patent documents. For the best search results, we recommend combining queries in the CPC/IPC Do not use wildcards in classification symbols, e.g. It is divided into nine sections, A-H and Y, which in turn are sub-divided into classes, sub-classes, groups and sub-groups. Espacenet: free access to over 140 million patent documents. nails, bolts, circlips, clamps . The CPC is based on the IPC and consists of: The CPC includes the same sections as the IPC, plus a Y section for tagging emerging technologies or technologies spanning several sections of the CPC. For more information, see the following pages: Index. , omit this blank, otherwise your search will not retrieve any results. CPC symbols keep the same digits after the "/" as their parent IPC symbol. In some cases patent applications are assigned more than one classification symbol. On January 1, 2013, the USPTO moved from using the United States Patent Classification (USPC) system to the Cooperative Patent Classification (CPC) system, a jointly . The CPC symbol is an extension to the IPC symbol which further classifies the patent document into a specialised category. You can then browse the CPC scheme for more information and to find other classification symbols that might also be relevant for your search in a specific technical field. You can enter up to ten classification symbols in the search field, each separated by a space, and the system will use the default Boolean operator AND. There are approximately 250 000 classification entries. Espacenet: free access to over 120 million patent documents. Are the help files available in other languages? Use the Discuss; Classifications. Espacenet. The scheme was initially based on the former European classification system (ECLA), which was an extension of the International Patent Classification In Classification search enter the classification symbol in the search field and click Search . Smart search Patent applications are classified in classification schemes on the basis of their technical content. You can display the 2000 series by clicking on the 2000 button in the Classification search Combination sets classify technical features in context or "taken in combination". However, while the IPC has 70 000 entries and ECLA 160 000, the CPC has more than 250 000, making it much more precise. In To do so, click on the text or the classification symbol to view the subdivisions, and repeat to view details of a particular subdivision. Classification search in Espacenet helps you to find suitable classification symbols for your search, and then to apply in the search itself. Under subclass Y10S there is a selection of entries originating from former USPC cross-reference art collections (XRACs) and digests. Whereas if you enter H01L21/027 only or H01L21/exact, you will get far fewer hits, confined to that particular subgroup. Every patent document, regardless of whether it is an application or a granted patent, is given a classification symbol by the examiner indicating its allocation to a specific area of technology. This website is jointly hosted by the EPO and USPTO. Combining the best classification practices of the two offices, it allows searchers to retrieve relevant prior art efficiently. Patent Office of the Cooperation Council for the Arab States of the Gulf Patentscope WIPO (world intellectual property organisation). It is designed for efficient searching, an important aspect for users of patent information. Read the regular postings from the forum team, post your questions, and answer those of other users. Here is a video on classification searching in Espacenet from the Open Source Patent Analytics Project. H ELECTRICITY; H01 BASIC ELECTRIC ELEMENTS; H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS; H01R43/00 Apparatus or processes . The technical content of almost all the patent documents published worldwide is . field. Following the general principles of the IPC definitions Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art. The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. Grce sa couverture mondiale et ses fonctions de recherche, Espacenet offre un accs gratuit aux informations relatives aux inventions et aux dveloppements techniques de 1782 nos jours. Why not move to the new interface panel under C-sets. They are assigned classification symbols, for example A43B49. The new system also has large collection of indexing codes in the "2000 series", which stem from the former EPO 'In Computer Only' (ICO) codes and those controlled keywords which were converted to valid ICO symbols before becoming CPC symbols. For more information on Espacenet, see the following pages: Patent searchA service provided in co-operation with the EPO. Classification combination sets can only be searched in Search in the CPC in Espacenet Additions The CPC is constantly being expanded as new technical fields emerge. The Insurance Payer ID is a unique identification number assigned to each insurance company. All you have to do is click the checkbox next to a symbol and the symbol will be copied into the box on the left. Curly brackets {} mark either the title of a CPC group which does not exist in the IPC or CPC-specific text added to the original title of an IPC group. . The space for displaying symbols in the extended view format of the result list is limited. The Cooperative Patent Classification (CPC) system, in force from 1 January 2013, is a bilateral system which has been jointly developed by the EPO and the USPTO. Entering the group alone will automatically retrieve all subgroups.. You can enter up to ten classification symbols in the search field, each separated by a space, and the system will use the default Boolean operator AND. . You can refine your search by combining the Boolean operators AND or OR with proximity operators. Simply type the relevant classification symbol in the search field and then click on Search. However, if these documents have a classification symbol, they can be found using that symbol. Discuss; 239000004020 conductor Substances 0.000 title 1; 229910052751 metal Inorganic materials 0.000 title 1; Classifications. If a group is specific to the CPC (and thus does not exist in the IPC), additional digits are appended. Patent search. The CPC is subject to ongoing revision by both offices, and documents are reclassified accordingly. You cannot use them for classification searches. Patent classification is a system of sorting inventions and their documents into technical fields covering all areas of technology. For more information, including concordance tables and CPC definitions, and news on the CPC, visit the CPC website at www.cpcinfo.org These are ordered lists of linked CPC symbols created by patent examiners. Global Dossier provides access to the file wrapper of a patent application, wherever it is made available by the patent authority in question. To restrict your search to either the CPC or the IPC, use cpc or ipc as the field identifier. Patent search A service provided in co-operation with the EPO. The results of searching with keywords are less precise the further your choice of words differs from that of the applicant. For more information, see the following pages: Index. The popup is available in the bibliographic view, the classification search and the result list. and get all the latest news and views about our online products. By clicking on the link show representative examples of 1st page clippings, you will be able to view the clipped images - patent drawings - that are taken from patent applications in that classification. It is estimated that 90% of the documents requiring a CPC classification will receive one within eight months of publication. In Smart search , you can enter the classification symbol (s) with or without . Combining the best classification practices of the two offices, it allows searchers to retrieve relevant prior art efficiently. A63B 2049/0235 Classification search . Over time, Espacenet has continually extended its data coverage, and today it offers free access to more than 100 million patent documents from over 100 patent authorities. EspacenetPatent search Office/Language My Espacenet Help Classification search Results Feedback Espacenet: free access to over 140 million patent documents and get all the latest news and views about our online products. Classification search; Global Dossier. Depending on the classification level you require, you should enter the classification symbols as follows: Classification symbols are not case-sensitive. Espacenet: free access to millions of patent documents. The ECLA classification system is an extension of the International Patent Classification system. When the CPC superseded the ECLA in January 2013, the ECLA and ICO schemes were flattened into one scheme. discuss; classifications. The CPC is subject to ongoing revision by both offices, and documents are reclassified accordingly. Ever since its launch, Espacenet has evolved continuously, always incorporating the latest technologies, and it will continue to do so in the future. You can enter up to ten classification symbols in the search field, each separated by a space, and the system will use the default Boolean operator AND. In Smart search , you can enter the classification symbol (s) with or without . All the breakdown and orthogonal codes were migrated to the 2000 series, by adding 2000 to the original main group digits. Dcouvrez le nouvel Espacenet Et si vous adoptiez la nouvelle interface sans plus attendre ? It contains 134 000 subdivisions, ie about 64 000 more than the IPC , and is therefore more precise. GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS. Espacenet was born 20 years ago on 19 October 1998. discussion forum Siemens EP 2007 Smart search: Tooltip . The European Classification System (ECLA) has been replaced by the Cooperative Patent Classification (CPC) in Espacenet. You can enter This is called a combination set ("C-set", "combi set").