Search & Find

Databases by Subject: Patents

Major Indexes

U.S. Patents Full-Text and Image Database

Full-page images of all patents issued by the U.S. Patent & Trademark Office (USPTO) from 1790 - present. Full-text searching from 1976 - present.

Additional Indexes

Ei Compendex

Find engineering information from GEOBASE, Ei Engineering, Inspec, GeoRef, Referex, CBNB and Chimica.

INSPEC

Find articles, conference proceedings, technical reports in physics, computer science, electrical engineering, technology and engineering.

LexisNexis Academic

Find news sources, business profiles, patents, and legal research from across the globe.

Materials Research Database

Find content on materials science, metallurgy, ceramics, polymers, and composites used in engineering applications.

Mergent Archives

Mergent Archives is an online database providing you with access to a vast, indexed collection of corporate and industry related documents, including annual reports, key business ratios, D&B Country Reports, Million Dollar Directory volumes, Hoover's handbooks, a patent archive, and more.