ENGR 480 & 481 Engineering Senior Design Clinic: Patents

All U.S. patents, issued and pending, with diagrams. Search by keyword, number, inventor, title, classification or date.

The Lens serves global patent and scholarly knowledge as a public good to inform science and technology enabled problem solving. The Lens is bridging the cultures of scholarly research with invention and industry to make it as easy as possible to discover, analyse, and map global innovation knowledge.

The USPTO houses full text for patents issued from 1976 to the present and TIFF images for all patents from 1790 to the present. Includes copyrights, trademarks and IP law and policy.

PatentScope enables you to do searches in 1,864,332 published international patent applications (PCT) and in 7,747,749 when including patent documents from Regional and National collections.

Espacenet offers free access to tens of millions of patent documents worldwide. It contains information about inventions and technical developments from the 19th century right up to today.