ATTENTION:
The Kline Science Library is now operating as the Center for Science and Social Science Information, which is located at 219 Prospect Street, New Haven, CT 06511-8499
Patents Online
- USPTO Patent Database
- The U.S. Patent and Trademark Office (USPTO) database includes full-page images beginning with the first U.S. patent issued in 1790. Issued patents starting from 1976 and patent applications are fully searchable. Patents issued between 1790 and 1975 are only available as TIFF images and are only searchable by the patent number or current U.S. classification. Note: In order to view drawings and images you may need to install a TIFF plug-in for your browser. See below for alternative sites for displaying images without a plug-in and for converting patents to PDF files.
Google Patent Search- Google Patent Search covers the entire collection of United States patents. To search by criteria like patent number and inventor use Advanced Search.
LexisNexis Academic- Use LexisNexis to locate the full text of U.S. Patents from 1790 to present. View patent drawings, if available, by selecting the link "Get Drawing Sheet..." at the top of the page. You can get a PDF copy of a patent by entering the patent number into the www.pat2pdf.org utility.
www.pat2pdf.org- www.pat2pdf.org is a conversion utility that allows you to download a PDF version of a U.S. patent or patent application. Searching is by patent number only.
European and World Patents (esp@cenet)- The esp@cenet system is a searchable collection of of patent documents published around the world. English-language abstracts are usually available from 1970. Full text documents are provided if available.
Patent Organizations
Patent Depository Libraries
In addition to the full-text resources mentioned above, you can obtain patent documents from these regional libraries:
- Sacred Heart University (Fairfield, CT)
- New York Public Library Science, Industry and Business Library. See their Web page on Patents and Trademarks.
Standards
- ASTM Standards
- The Engineering & Applied Science Library owns the print edition of the Annual Book of ASTM Standards. Please see Orbis for the latest edition available.
- IEEE Standards
- IEEE Xplore provides full text access to IEEE standards, including superseded standards but not draft standards, dating from January 1988 to present.
- Standards Index (NSSN)
- The National Standards Systems Network (NSSN) provides users with current standards information from major standards developers, including developers accredited by the American National Standards Institute, other U.S. private sector standards organizations, government agencies, including the U.S. Department of Defense, and international standards organizations. Users can search by document number, or keywords from the title and scope. Information presented in the search results is limited to document number, title, organization and ordering information. Orders are directed to the developing organization or its designated supplier and to ANSI for acceptance and fulfillment.