Los Alamos Patents in the Library Catalog - all unclassified Los Alamos patents are available via the library's catalog, close to 1300 patents from 1947 to the present. chart

To find patents in the catalog, use the "Search for Words" section: enter the word "patent" for the selected index Title, and then enter another word of your choice for one or both of the other indexes, such as a title, author, or abstract word (subject words are not included in patent records). The catalog records provide identifying information, abstract, and a link to the full-text PDF. Classified patents can be searched through the classified database in the reports vault.

Delphion Intellectual Property Network (formerly IBM Patent Server). Searches more than 2 million U.S. patents issued since 1971, including bibliographic texts, abstracts, and all claims. Contact the library to set up an account (at no cost to you) to get full-text patents via the Research library subscribed Delphion system. For single time full-text requests, please contact the library and we will provide at no cost.

USPTO Patent Databases - These databases cover the period from 1 January 1976 to the most recent weekly issue date (usually each Tuesday) in searchable full-text, and 1790-1975 in full-page images. Also has the ability to order patents within this system.

European Patent Office patent information service (Esp@cenet) - Esp@cenet is a free service for accessing patent information. Four database files may be searched: 1)European Patents (most recent 24 months, with PDF files); 2) PCT(WO) patents (most recent 24 months,with PDF files); (3) worldwide patents (coverage depends on country, mostly back to 1960s or 1970s); and (4) Japanese patents (1976- ). Since 1970, each patent family in the collection has a representative document with a searchable English-language title and abstract.

The following databases index some patents, in addition to information published in other formats:

Optipat - Order up to 40 patent documents simultaneously from their collection of 5+ million US, EP, and PCT patents. Your account will be billed accordingly. To open an account,  phone them: 703-916-1500 or 800-445-9760.