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Inventor

HELFER WADE J

US6 patents
⚠️ This page may combine multiple inventors who share the name “HELFER WADE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FISHER CONTROLS INT LLC

3 patents
US11460118B2Oct 4, 2022

Flow control seals

FISHER CONTROLS INT LLC1 citations59
US10914387B2Feb 9, 2021

Rotary control valve having a clamped valve seat

FISHER CONTROLS INT LLC1 citations57
US11644123B2May 9, 2023

Device and method for conditioning flow through a valve assembly

FISHER CONTROLS INT LLC0 citations42

FISHER CONTROLS INT

2 patents
US6851658B2Feb 8, 2005

Control valve trim and bore seal

FISHER CONTROLS INT38 citations87
US7681594B2Mar 23, 2010

Control valve having “C” seal

FISHER CONTROLS INT5 citations71

HELFER WADE J

1 patent
US8727310B2May 20, 2014

Packing followers for use with valves

HELFER WADE J6 citations64