Inventor

GRUMSTRUP BRUCE FREDERICK

US5 patents

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

FISHER CONTROLS INT LLC

2 patents

US9465391B2Oct 11, 2016

Valve positioner with overpressure protection capabilities

FISHER CONTROLS INT LLC14 citations77

US10007279B2Jun 26, 2018

Valve positioner with overpressure protection capabilities

FISHER CONTROLS INT LLC1 citations45

FISHER CONTROLS INT

1 patent

US6725167B2Apr 20, 2004

Flow measurement module and method

FISHER CONTROLS INT74 citations93

GRUMSTRUP BRUCE FREDERICK

1 patent

US8421643B2Apr 16, 2013

Automatic valve seating integrity test

GRUMSTRUP BRUCE FREDERICK3 citations53

CARTER PERRY KEITH

1 patent

US8910665B2Dec 16, 2014

Methods and apparatus for bypassing a positioner in an active control loop

CARTER PERRY KEITH1 citations38