Patents
Online databases for searching and browsing patents.
Adcomp Technologies
Custom patent and literature searches for the composites industry. Covers US and European patents. Phone or e-mail for more information.
Custom patent and literature searches for the composites industry. Covers US and European patents. Phone or e-mail for more information.
Canadian Patent Database
Search 75 years of Canadian patents. Cover pages, abstracts, claims, disclosures, and some drawings online. French and English databases.
Search 75 years of Canadian patents. Cover pages, abstracts, claims, disclosures, and some drawings online. French and English databases.
European Patent Database
Search for patents issued by Great Britain and other European countries.
Search for patents issued by Great Britain and other European countries.
Gallery of Obscure Patents
Strange and intriguing patents found on the IBM Intellectual Property Network. Read about the disc-shaped submersible aircraft or the unforgettable umbrella method.
Strange and intriguing patents found on the IBM Intellectual Property Network. Read about the disc-shaped submersible aircraft or the unforgettable umbrella method.
IBM Intellectal Property Network
Search US, European, or Japanase patent databases, 1971 to present. Very fast. View front material and full document images online; purchase electronically or via fax.
Search US, European, or Japanase patent databases, 1971 to present. Very fast. View front material and full document images online; purchase electronically or via fax.
Japanese Patent Database
Search the Japanese patent, design rights and trademark databases.
Search the Japanese patent, design rights and trademark databases.
QPAT-US
Free search of US patent abstracts to 1974 after registering. Full text search available to paid subscribers. I see no advantage over IBM's free database.
Free search of US patent abstracts to 1974 after registering. Full text search available to paid subscribers. I see no advantage over IBM's free database.
US Patent Database
Searchable full text and bibliographic (front-page information) database from 1976 to present. Viewing images requires a G4 TIFF plug-in.
Searchable full text and bibliographic (front-page information) database from 1976 to present. Viewing images requires a G4 TIFF plug-in.
Wacky Patent of the Month
Full text and figures of unusual patents, with a new one every month. When I checked the site, the current patent pointed to a blank page, but the archive was viewable.
Full text and figures of unusual patents, with a new one every month. When I checked the site, the current patent pointed to a blank page, but the archive was viewable.