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DEFONTAINE

US4 patents

Top patents by PatentIndex Score

US6279602B1Aug 28, 2001

Valve with improved piston with elastomer O-ring

DEFONTAINE11 citations62

US6929243B2Aug 16, 2005

Butterfly valve

DEFONTAINE1 citations46

US9429237B2Aug 30, 2016

Sealing device

DEFONTAINE0 citations42

US9976652B2May 22, 2018

Sealing device

DEFONTAINE0 citations31