The Patent Finder

Pro-Temp Controls, Inc.

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

Showing 1 to 5 of 5 · Back to Pro-Temp Controls, Inc.

PatentTitleStatus Expires Confidence
US 4,522,333Scheduled hot water heating based on automatically periodically adjusted historical data
Term ended
Term ended no later than Jun 11, 2005 · Low confidence
Term endedTerm ended no later than Jun 11, 2005Low confidence
US 4,620,667Hot water heating system having minimum hot water use based on minimum water temperatures and time of heating
Term ended
Term ended no later than Nov 4, 2006 · Low confidence
Term endedTerm ended no later than Nov 4, 2006Low confidence
US 4,832,259Hot water heater controller
Term ended
Term ended no later than May 23, 2009 · Low confidence
Term endedTerm ended no later than May 23, 2009Low confidence
US 4,834,284Hot water control
Term ended
Term ended no later than May 30, 2009 · Low confidence
Term endedTerm ended no later than May 30, 2009Low confidence
US 5,244,148Adaptable heater control
Term ended
Term ended no later than Sep 14, 2013 · Low confidence
Term endedTerm ended no later than Sep 14, 2013Low confidence
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