P

Inventor

PERKINS GERALD S

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

CALIFORNIA INST OF TECHN

5 patents
US4276003AJun 30, 1981

Reciprocating piston pump system with screw drive

CALIFORNIA INST OF TECHN112 citations93
US4145165AMar 20, 1979

Long stroke pump

CALIFORNIA INST OF TECHN81 citations93
US4232562ANov 11, 1980

Lead screw linear actuator

CALIFORNIA INST OF TECHN23 citations81
US4150925AApr 24, 1979

Fast acting check valve

CALIFORNIA INST OF TECHN21 citations81
US4188174AFeb 12, 1980

Wear resistant valve

CALIFORNIA INST OF TECHN14 citations73

NASA

3 patents
US4111184ASep 5, 1978

Sun tracking solar energy collector

NASA100 citations96
US4252768AFeb 24, 1981

Sandblasting nozzle

NASA38 citations87
US4586394AMay 6, 1986

Low noise lead screw positioner

NASA11 citations73

MARTIN MARIETTA ENERGY SYSTEMS

1 patent
US4883400ANov 28, 1989

Dual arm master controller for a bilateral servo-manipulator

MARTIN MARIETTA ENERGY SYSTEMS134 citations97