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Patents for Business Research: Patent Databases

freepatentsonline.com

freepatentsonline.com This link opens in a new window
Search patents and patent applications from the US and other countries.

Other Free Patent Databases

Patent Lens This link opens in a new window
Search and display results of nearly 95% of the world’s patent information.
Patentscope This link opens in a new window
Search 73 million patent documents including 3.5 million published international patent applications.

DOE Patents
a searchable database of patent information resulting from DOE-sponsored R&D.

USPTO (United States Patent and Trademark Office)

Patent Public Search (USPTO) This link opens in a new window
Full text of all U.S. patents (keyword searchable) from 1976 to date, and published patent applications from March 2001 to date. Patents from 1790-1975 are image files, and searchable only by patent number, issue date, and current classification.

CPC Classifications
Browse or search the Cooperative Patent Classification (CPC) system

ESP@CENET - from the European Patent Office

Espacenet
Searches through patent documents filed with the European Patent Office, along with 81 other jurisdictions.
Espacenet Help

Google Patents

Google Patents This link opens in a new window
a great place to start a preliminary patent search

google search worksheet

Patent and Trademarks Librarian

Email Me

Contact:

Cooper Library, Room 302

(864) 656-4782

Subjects: Computer Science, Engineering, Geology & Earth Sciences, Materials Science, Patents & Trademarks