Inventor

DUFFY JOHN W

13 patents

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

FISHER CONTROLS INT

6 patents

US5271601ADec 21, 1993

Regulator valve with diaphragm support

FISHER CONTROLS INT57 citations92

US5402820AApr 4, 1995

Stabilizer for pressure regulator

FISHER CONTROLS INT25 citations91

US4754778AJul 5, 1988

Velocity boost body with wrap-around pitot tube

FISHER CONTROLS INT53 citations90

US4782850ANov 8, 1988

Travel stop for diaphragm regulator valve

FISHER CONTROLS INT29 citations86

US6668665B2Dec 30, 2003

Gas level monitoring system and gas flow rate sensor used therein

FISHER CONTROLS INT17 citations78

US4616670AOct 14, 1986

High-low pressure pilot

FISHER CONTROLS INT9 citations66

HEWLETT PACKARD CO

2 patents

US5127410AJul 7, 1992

Ultrasound probe and lens assembly for use therein

HEWLETT PACKARD CO56 citations95

USD338655SAug 24, 1993

Pen/printer interconnect segment of a flexible cable for a printer

HEWLETT PACKARD CO3 citations56

STEELCASE INC

2 patents

USD382149SAug 12, 1997

Chair

STEELCASE INC36 citations90

USD382737SAug 26, 1997

Chair arm

STEELCASE INC8 citations71

SFE TECHNOLOGIES

1 patent

US4613518ASep 23, 1986

Monolithic capacitor edge termination

SFE TECHNOLOGIES33 citations92

DUFFY JOHN W

1 patent

US4624442ANov 25, 1986

Control regulator having a rolling diaphragm

DUFFY JOHN W64 citations90

FISHER CONTROLS CO

1 patent

US4295489AOct 20, 1981

Pilot-operated back pressure regulator

FISHER CONTROLS CO31 citations83