P

Inventor

OLSEN ROBERT A

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

SYBRON CORP

3 patents
US4600384AJul 15, 1986

Swivel coupling for illuminated dental handpiece

SYBRON CORP36 citations92
US4541802ASep 17, 1985

Swivel hose coupling for dental handpiece or the like

SYBRON CORP24 citations81
US4553938ANov 19, 1985

Low torsional restraint instrument handpiece hose

SYBRON CORP19 citations73

DANA CORP

3 patents
US5735375AApr 7, 1998

Nitrocarburized component for an electromagnetic friction clutch assembly

DANA CORP37 citations91
US4749073AJun 7, 1988

Soft-start electromagnetic coupling

DANA CORP22 citations81
US4949828AAug 21, 1990

Apparatus and method for sensing clutch slippage

DANA CORP17 citations73

WARNER ELECTRIC BRAKE & CLUTCH

2 patents
US4210890AJul 1, 1980

Field assembly for an electromagnet

WARNER ELECTRIC BRAKE & CLUTCH22 citations81
US4160498AJul 10, 1979

Electromagnetic coupling

WARNER ELECTRIC BRAKE & CLUTCH27 citations80

AMERICAN HOSPITAL SUPPLY CORP

2 patents
US4144644AMar 20, 1979

Modular selector valve assembly

AMERICAN HOSPITAL SUPPLY CORP13 citations73
US4074434AFeb 21, 1978

Pressure-responsive speed control for dental handpieces

AMERICAN HOSPITAL SUPPLY CORP5 citations54

OLSEN ROBERT A

1 patent
US4027529AJun 7, 1977

Method and apparatus for testing spot welds

OLSEN ROBERT A15 citations68