PM

Pengfei Ma

Caterpillar: 5 patents #21 of 972Top 3%
Overall (2017): #27,029 of 506,227Top 6%
5
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9829014 Hydraulic system including independent metering valve with flowsharing Andrew J. Kleitsch, Jason L. Brinkman, Mikhail A. Sorokin 2017-11-28
9809958 Engine assist by recovering swing kinetic energy Tonglin Shang, Dayao Chen 2017-11-07
9745940 Machine having hydraulic start assist system Emily A. Morris, Jeremy T. Peterson, Jeffrey L. Kuehn, Dayao Chen 2017-08-29
9618014 Implement system having hydraulic start assist Emily A. Morris, Jeremy T. Peterson, Jeffrey L. Kuehn, Dayao Chen 2017-04-11
9556591 Hydraulic system recovering swing kinetic and boom potential energy Tonglin Shang, Jiao Zhang, Dayao Chen 2017-01-31