PY

Ping-Cheng Yu

TC Taiwan Chelic Co.: 6 patents #1 of 4Top 25%
CP China National Petroleum: 1 patents #1 of 23Top 5%
CL Cnpc Engineering Technology R&D Company Limited: 1 patents #8 of 47Top 20%
📍 New Taipei, TW: #40 of 2,053 inventorsTop 2%
Overall (2020): #17,366 of 565,922Top 4%
7
Patents 2020

Issued Patents 2020

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10865909 Vacuum-keeping multistage vacuum-generating and vacuum-destructing valve Wei-Huan Yu 2020-12-15
10808496 Cementing plug Hongying Zhang, Na Wang, Yanfu Huang, Lin Shi 2020-10-20
10794497 Vacuum-based energy-saving large-capacity precision pressure regulation valve Chih-Sheng Cheng 2020-10-06
10732650 Vacuum large-capacity electrically controlled proportional valve Chih-Sheng Cheng, Yu-Li Chen 2020-08-04
10704701 Vacuum electrically controlled proportional valve Chih-Sheng Cheng, Yu-Li Chen 2020-07-07
10670163 Electrically-controlled large-capacity proportional valve Chih-Sheng Cheng 2020-06-02
10578065 Two-stage intake and two-stage discharge structure of electrically controlled proportional valve Chih-Sheng Cheng 2020-03-03