Inventor
BROSNAHAN JOHN
US6 patents
Patents
6 patentsUS10344757B1Jul 9, 2019
Valve seats and valve assemblies for fluid end applications
KENNAMETAL INC48 citations96
US11156221B2Oct 26, 2021
Valve seats and valve assemblies for fluid end applications
KENNAMETAL INC18 citations92
US10954938B2Mar 23, 2021
Valve seats and valve assemblies for fluid end applications
KENNAMETAL INC31 citations92
US10851775B2Dec 1, 2020
Valve seats and valve assemblies for fluid end applications
KENNAMETAL INC32 citations92
US11566713B2Jan 31, 2023
Valve seat assembly having mating surfaces with a reverse taper angle
KENNAMETAL INC24 citations91
US10662716B2May 26, 2020
Thin-walled earth boring tools and methods of making the same
KENNAMETAL INC0 citations48