CM

Chi Ma

BH Beijing Huamei: 3 patents #21 of 71Top 30%
CU Cnpc Usa: 3 patents #35 of 99Top 40%
CP China National Petroleum: 2 patents #49 of 316Top 20%
CU Chongqing University: 2 patents #60 of 514Top 15%
CT China University Of Mining And Technology: 1 patents #288 of 815Top 40%
XC Xuzhou Coal Mine Safety Equipment Manufacture Co.: 1 patents #15 of 41Top 40%
Overall (All Time): #596,217 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12218610 Sensor system with an interior sensor and a piezoelectric power supply Jinjun Wang, Weixiong Wang, Jayson Byrd, Chris Cheng, Xiongwen Yang +3 more 2025-02-04
12145208 Worm gear machine Shilong Wang, Sibao Wang, Dechao Heng, Lingwan Zeng, Yong Yang +1 more 2024-11-19
12066809 Method for identifying critical error of worm gear machine and method for iteratively compensating critical error of worm gear machine Shilong Wang, Sibao Wang, Dechao Heng, Lingwan Zeng, Yong Yang +1 more 2024-08-20
12038096 Choke combination device for gas production Yonggang Deng, Gang Wang, Ketao Cai, Shundong Tang, Rui Wang +4 more 2024-07-16
12011773 Cutting elements with reduced variable back rake angle Jiaqing Yu, Chris Cheng, Ning Li, David He, Kevin Waddell +2 more 2024-06-18
11919748 Hoist for transferred materials in underground auxiliary transportation system and method thereof Yuxing Peng, Zhencai Zhu, Meilin Wang, Changhua Hu, Fahui Shi +6 more 2024-03-05
11591858 Cutting elements with increased curvature cutting edges Jiaqing Yu, Chris Cheng, Jianhua Guo, Bo Zhou, Shijun Qiao +3 more 2023-02-28
7870378 Electronic system with NAND flash memory storing boot code and highly reliable boot up method Yu-Hao Kuo, Yu-Ting Cheng, Chun-Chieh Huang, Hua-Lin Chang 2011-01-11