United States Patent and Trademark Office (USPTO)
The USPTO offers web access to bibliographic and full-text patent databases. These databases provide full-text of patents from 1976 to the present and full page images from 1790 to the present.
See 'General information concerning patents' and Patent FAQ
New to Patent Searching? See this important information about searching for patents:
The Patent Public Search tool is a new web-based patent search application that has two user selectable modern interfaces that provide enhanced access to prior art. The new, powerful, and flexible capabilities of the application improves the overall patent searching process.
Other patent sources:
ESpacenet: free access to over 150 million patent documents. Espacenet is accessible to beginners and experts and is updated daily. It contains data on more than 150 million patent documents from around the world.
See: Smart Search Classification Search Advanced Search
Using Espacenet: Step by Step
PATENTSCOPE: Using PATENTSCOPE you can search 36 million patent documents including 2.2 million published international patent applications (PCT).
The Google Patent Search covers the entire collection of patents made available by the USPTO—from patents issued in the 1790s to present.
The Intellectual Property Digital Library- WIPO GOLD-IP Reference Resource
WIPO GOLD is a free public resource which provides a one-stop gateway to WIPO’s global collections of searchable IP data. It aims to facilitate universal access to IP information.
See 'Office of Applied Innovation', Looking for a technology or invention to commercialize? Drexel currently has hundreds of technologies in many industry categories for your browsing. See also Drexel's 'Intellectual Property Policy'.
Bionanotechnology ebook - available from the Synthesis Digital Library
Nanotechnology Databases: Comprehensive databases for nanomaterials, events, products,
companies, research labs, degree programs and publications. Read more: Nanowerk Nanomaterial Database
Nanodot: the original nanotechnology weblog from the Foresight Institute.
Nanotechnology related initiatives
Biomedical Devices