Inventor

MA PENGFEL

US2 patents

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

SHANG TONGLIN

1 patent

US8726645B2May 20, 2014

Hydraulic control system having energy recovery

SHANG TONGLIN31 citations87

CATERPILLAR INC

1 patent

US7621211B2Nov 24, 2009

Force feedback poppet valve having an integrated pressure compensator

CATERPILLAR INC30 citations83