The Patent Finder

Teknowledge Corporation

Also on record
Records under this name other than patents Teknowledge Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Back to Teknowledge Corporation

PatentTitleStatus Expires Confidence
US 6,029,175Automatic retrieval of changed files by a network software agent
Lapsed on the fee record
Ended Feb 22, 2012 · From the USPTO record
Lapsed on the fee recordEnded Feb 22, 2012From the USPTO record
US 4,424,473Drive apparatus for an industrial robot
Formerly held
Term ended
Term ended no later than Jan 3, 2004 · Low confidence
Term endedTerm ended no later than Jan 3, 2004Low confidence
US 4,552,505Industrial robot having direct coaxial motor drive
Formerly held
Term ended
Term ended no later than Nov 12, 2005 · Low confidence
Term endedTerm ended no later than Nov 12, 2005Low confidence
US 4,591,983Hierarchical knowledge system
Term ended
Term ended no later than May 27, 2006 · Low confidence
Term endedTerm ended no later than May 27, 2006Low confidence
US 4,636,138Industrial robot
Formerly held
Term ended
Term ended no later than Jan 13, 2007 · Low confidence
Term endedTerm ended no later than Jan 13, 2007Low confidence
US 4,645,409Outer arm assembly for industrial robot
Formerly held
Term ended
Term ended no later than Feb 24, 2007 · Low confidence
Term endedTerm ended no later than Feb 24, 2007Low confidence
US 4,648,044Basic expert system tool
Term ended
Term ended no later than Mar 3, 2007 · Low confidence
Term endedTerm ended no later than Mar 3, 2007Low confidence
US 4,658,370Knowledge engineering tool
Term ended
Term ended no later than Apr 14, 2007 · Low confidence
Term endedTerm ended no later than Apr 14, 2007Low confidence
US 4,671,732Industrial robot
Formerly held
Term ended
Term ended no later than Jun 9, 2007 · Low confidence
Term endedTerm ended no later than Jun 9, 2007Low confidence
US 4,713,775Intelligent assistant for using and operating computer system capabilities to solve problems
Term ended
Term ended no later than Dec 15, 2007 · Low confidence
Term endedTerm ended no later than Dec 15, 2007Low confidence
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited