A database providing international patent information.

A patent search tool within the larger ISI Web of Knowledge.  Derwent divides patents into 3 broad areas: Chemical; Electrical & Electronics; and Engineering.  Searchable by topic, inventor, and assignee.  There is also a cited patent search option to see which patents have cited other patents, inventors, etc.

Updated at least weekly.

Date Coverage: 

1963 - present


Access Notes

Authorized Users: 

Carleton students, faculty and staff
Content last updated: December 23, 2014