Inventor
HELFER WADE JONATHON
US12 patents
⚠️ This page may combine multiple inventors who share the name “HELFER WADE JONATHON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER CONTROLS INT LLC
6 patentsUS11143314B1Oct 12, 2021
Methods and apparatus to load a valve packing
FISHER CONTROLS INT LLC3 citations71
US10844962B2Nov 24, 2020
Valve body insert apparatus and related methods
FISHER CONTROLS INT LLC3 citations71
US11525516B2Dec 13, 2022
Valve body insert apparatus and related methods
FISHER CONTROLS INT LLC0 citations61
US9587747B2Mar 7, 2017
Flexible seals for process control valves
FISHER CONTROLS INT LLC1 citations59
US10969030B2Apr 6, 2021
Bushing having a shaft seal
FISHER CONTROLS INT LLC0 citations50
US9568110B2Feb 14, 2017
Valve seals
FISHER CONTROLS INT LLC0 citations50
HELFER WADE JONATHON
5 patentsUS8286938B2Oct 16, 2012
Flexible seals for process control valves
HELFER WADE JONATHON11 citations79
US9127775B2Sep 8, 2015
Flexible seals for process control valves
HELFER WADE JONATHON7 citations76
US8814138B2Aug 26, 2014
Valve seals
HELFER WADE JONATHON3 citations60
US8408837B2Apr 2, 2013
Collets for use with valves
HELFER WADE JONATHON2 citations60
US8096526B2Jan 17, 2012
Rotary actuator lever apparatus having an annular recess
HELFER WADE JONATHON1 citations49