Inventor

PETERSON RANDAL N

US5 patents

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

CATERPILLAR INC

2 patents

US9145660B2Sep 29, 2015

Hydraulic control system having over-pressure protection

CATERPILLAR INC18 citations82

US9086081B2Jul 21, 2015

Hydraulic control system having swing motor recovery

CATERPILLAR INC0 citations40

ZHANG JIAO

2 patents

US8850806B2Oct 7, 2014

Hydraulic control system having swing motor energy recovery

ZHANG JIAO19 citations82

US9068575B2Jun 30, 2015

Hydraulic control system having swing motor energy recovery

ZHANG JIAO5 citations71

MA PENGFEI

1 patent

US8919113B2Dec 30, 2014

Hydraulic control system having energy recovery kit

MA PENGFEI5 citations68