The Patent Finder

Gestra AG

Also on record
Records under this name other than the patents Gestra AG holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 3 patents it holds.

Back to Gestra AG

PatentTitleStatus Expires Confidence
US 6,507,468Controller for heat engineering installations
Term ended
Term ended Dec 7, 2020 · From the USPTO record
Term endedTerm ended Dec 7, 2020From the USPTO record
US 6,404,209Measuring instrument for fill level sensors
Term ended
Term ended Aug 24, 2020 · From the USPTO record
Term endedTerm ended Aug 24, 2020From the USPTO record
US 6,158,664Bimetallic steam trap
Term ended
Term ended Jul 20, 2019 · From the USPTO record
Term endedTerm ended Jul 20, 2019From the USPTO record
US 6,148,845Valve housing with a connecting part and a cap
Term ended
Term ended Mar 23, 2019 · From the USPTO record
Term endedTerm ended Mar 23, 2019From the USPTO record
US D475,349Plug adaptator
Term ended
Term ended Jun 3, 2017 · From the USPTO record
Term endedTerm ended Jun 3, 2017From the USPTO record
US D421,091Valve housing and cap
Term ended
Term ended Feb 22, 2014 · From the USPTO record
Term endedTerm ended Feb 22, 2014From the USPTO record
US 4,321,944Check valve
Term ended
Term ended no later than Mar 30, 2002 · Low confidence
Term endedTerm ended no later than Mar 30, 2002Low confidence
US 4,356,964Thermic control element
Term ended
Term ended no later than Nov 2, 2002 · Low confidence
Term endedTerm ended no later than Nov 2, 2002Low confidence
US 4,561,588Bimetallically controlled steam trap
Term ended
Term ended no later than Dec 31, 2005 · Low confidence
Term endedTerm ended no later than Dec 31, 2005Low confidence
US 4,586,655Steam trap with thermal control element and method of assembling said trap
Term ended
Term ended no later than May 6, 2006 · Low confidence
Term endedTerm ended no later than May 6, 2006Low confidence
10 of 27 patents shown.
Pro members see all 27.
Pro members: see all 27 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited