Inventor
GRUMSTRUP BRUCE F
US11 patents
⚠️ This page may combine multiple inventors who share the name “GRUMSTRUP BRUCE F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER CONTROLS INT
9 patentsUS5451923ASep 19, 1995
Communication system and method
FISHER CONTROLS INT162 citations98
US6186167B1Feb 13, 2001
Emergency shutdown test system
FISHER CONTROLS INT106 citations97
US6192321B1Feb 20, 2001
Method of and apparatus for deterministically obtaining measurements
FISHER CONTROLS INT85 citations96
US5684451ANov 4, 1997
Communication system and method
FISHER CONTROLS INT97 citations96
US5966679AOct 12, 1999
Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
FISHER CONTROLS INT68 citations95
US5687098ANov 11, 1997
Device data acquisition
FISHER CONTROLS INT96 citations95
US6895351B2May 17, 2005
Regulator flow measurement apparatus
FISHER CONTROLS INT47 citations92
US5502999AApr 2, 1996
Electro-pneumatic converter calibration
FISHER CONTROLS INT20 citations92
US6023763AFeb 8, 2000
Method of and apparatus for protecting and upgrading software using a removable hardlock
FISHER CONTROLS INT59 citations90