Inventor · disambiguated record

Pengfel Ma

Also filed as: MA PENGFEL

2 granted patents·61 citations·filing 2007–2010

66Inventor score

Technology areasF15B G05D

Files withCATERPILLAR INC1 SHANG TONGLIN1

Top patents by PatentIndex Score

2 records

0192US8726645B2Hydraulic control system having energy recoverySHANG TONGLIN·Filed 2010·Granted May 20, 2014·31 cites·20 claims
0284US7621211B2Force feedback poppet valve having an integrated pressure compensatorCATERPILLAR INC·Filed 2007·Granted Nov 24, 2009·30 cites·20 claims

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