Derwent Innovations Index provides access to more than 14,800,000 patents with links to cited and citing patents, cited articles, and full-text patent data sources. Sections include Chemical, Electrical and Electronic, and Engineering.
This database is part of ISI Web of Knowledge.
EI Engineering Village is a cross database searching service offering a wide range of resources covering applied science and engineering , where we can access Compendex using EV. Compendex contains references and abstracts from some 5,000 engineering journals , conferences and technical reports covering all engineering disciplines. Online coverage is from 1884 to date.
Search the full-text of US patents provided by the United States Patent and Trademark Office - USPTO .
"The NTRS provides access to NASA's current and historical aerospace research and engineering results.
- NACA Collection: Citations and reports from the NACA Technical Report Server (TRS), 1915 to 1958.
- NASA Collection: Citations and documents created or sponsored by NASA, 1958 to present.
- NIX Collection: Citations and images, photos, movies and videos downloaded from the NASA Image eXchange and served out through NTRS." from web site