The Patent Finder

Partech (Electronics) Limited

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

Showing 1 to 3 of 3 · Back to Partech (Electronics) Limited

PatentTitleStatus Expires Confidence
US 3,990,795Apparatus for monitoring suspended particles in a liquid
Term ended
Term ended no later than Nov 9, 1996 · Low confidence
Term endedTerm ended no later than Nov 9, 1996Low confidence
US 4,114,038Photoelectric sensing head with wiping means
Term ended
Term ended no later than Sep 12, 1998 · Low confidence
Term endedTerm ended no later than Sep 12, 1998Low confidence
US 4,383,437Monitoring solids content of liquid sludges
Term ended
Term ended no later than May 17, 2003 · Low confidence
Term endedTerm ended no later than May 17, 2003Low confidence
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