Engineering: Patents

All documents available through Google Patents originate from the United States Patent and Trademark Office (USPTO), the European Patent Office (EPO), and the World Intellectual Property Organization (WIPO) from 1790 to the present.

Provides access to international patent applications in full-text format.

"FPO is responsible for much of the democratization of patent data, search, and analytics by bringing it to so many people – and doing so with professional standards (fast and accurate search, up-to-date data, feature-rich tools such as alerts, portfolios, and collaboration)."

The United States Patent and Trademark Office (USPTO) is the federal agency for granting U.S. patents and registering trademarks.

Espacenet Patent Search.

Download U.S. patents (in PDF).