Inventor

MURRAY JOHN R

US9 patents

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

DIFCO INC

2 patents

US5606916AMar 4, 1997

Hopper door operating mechanism

DIFCO INC13 citations71

US5579593ADec 3, 1996

Railroad ballast spreading (plow) system

DIFCO INC12 citations71

US ENERGY

2 patents

US4308507ADec 29, 1981

Electron beam switched discharge for rapidly pulsed lasers

US ENERGY8 citations70

US4087763AMay 2, 1978

Method and apparatus for secondary laser pumping by electron beam excitation

US ENERGY16 citations69

DIFFERENTIAL STEEL CAR CO

1 patent

US5144895ASep 8, 1992

Hopper door apparatus for a railway car

DIFFERENTIAL STEEL CAR CO58 citations94

MURRAY ROBERT H

1 patent

US7300081B1Nov 27, 2007

Flexible auxiliary handle for hand held implements

MURRAY ROBERT H24 citations90

GEN SIGNAL CORP

1 patent

US3976272AAug 24, 1976

Control system for railroads

GEN SIGNAL CORP27 citations73

REDLAND INC

1 patent

USD356274SMar 14, 1995

Safety bumper for guiding the visually impaired

REDLAND INC14 citations69

MURRAY JOHN R

1 patent

US4357118ANov 2, 1982

Connecting assembly for geodesic dome framework construction

MURRAY JOHN R18 citations68