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MA PENGFEI

US3 patents

Top patents by PatentIndex Score

US8424836B2Apr 23, 2013

Bidirectional force feedback poppet valve

MA PENGFEI10 citations77

US8919113B2Dec 30, 2014

Hydraulic control system having energy recovery kit

MA PENGFEI5 citations68

US9139982B2Sep 22, 2015

Hydraulic control system having swing energy recovery

MA PENGFEI3 citations61