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Conval, Inc.

Also on record
Records under this name other than patents Conval, 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 Conval, Inc.

PatentTitleStatus Expires Confidence
US 7,267,323Ball valve with cartridge
Term ended
Term ended May 25, 2026 · From the USPTO record
Term endedTerm ended May 25, 2026From the USPTO record
US 10,859,184Indicator disc for determining the position of ball valve
Lapsed on the fee record
Ended Dec 8, 2024 · From the USPTO record
Lapsed on the fee recordEnded Dec 8, 2024From the USPTO record
US 4,597,560Half-turn valve
Term ended
Term ended no later than Jul 1, 2006 · Low confidence
Term endedTerm ended no later than Jul 1, 2006Low confidence
US 5,531,244Hemispherical ball valve
Term ended
Term ended no later than Jul 2, 2016 · Low confidence
Term endedTerm ended no later than Jul 2, 2016Low confidence
US 5,799,928Ball valve with improved valve seat and bonnet assembly
Term ended
Term ended no later than Sep 1, 2018 · Low confidence
Term endedTerm ended no later than Sep 1, 2018Low confidence
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