Inventor

GERLACH C RICHARD

US7 patents

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

HYPRO CORP

2 patents

US5074767ADec 24, 1991

Positive displacement pump with rotating reciprocating piston and improved lubrication feature

HYPRO CORP10 citations71

US5022831AJun 11, 1991

Positive displacement pump with rotating reciprocating piston

HYPRO CORP6 citations60

GAS RES INST

1 patent

US5471400ANov 28, 1995

Method for detecting and specifying compressor cylinder leaks

GAS RES INST77 citations93

HEATH RODNEY T

1 patent

US4286929ASep 1, 1981

Dual pressure gas motor, and method of operation

HEATH RODNEY T47 citations91

RINEER HYDRAULICS

1 patent

US6312238B1Nov 6, 2001

Hydraulically retractable hydraulic motor

RINEER HYDRAULICS11 citations71

RHI JOINT VENTURE

1 patent

US5702243ADec 30, 1997

Hydraulic motor with pressure compensated end plates

RHI JOINT VENTURE8 citations67

GERLACH C RICHARD

1 patent

US5096394AMar 17, 1992

Positive displacement pump with rotating reciprocating piston and improved pulsation dampening

GERLACH C RICHARD8 citations66