Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066902 | Power management system for a drilling rig | Yanchai Zhang | 2021-07-20 |
| 11028842 | Rig management system for transmission control of a hydraulic fracturing rig | Yanchai Zhang, Zhijun Cai | 2021-06-08 |
| 10927774 | Control of multiple engines using one or more parameters associated with the multiple engines | Zhijun Cai, Ronald Christopher Gayles, Yanchai Zhang, Stephen C. Nofsinger | 2021-02-23 |
| 10656051 | System and method for detecting wear or failure of genset power system coupling | Yanchai Zhang, Perry D. Converse, Xuefei Hu, Yong Sun | 2020-05-19 |
| 10563649 | Hydraulic fracturing system and method for optimizing operation thereof | Yanchai Zhang, Venkata Dandibhotla | 2020-02-18 |
| 10415348 | Multi-rig hydraulic fracturing system and method for optimizing operation thereof | Yanchai Zhang | 2019-09-17 |
| 10190582 | Systems and methods for collecting high frequency data associated with a pump by utilizing an FPGA controller | Yanchai Zhang, Vijay Janardhan | 2019-01-29 |
| 10113552 | System, method, and apparatus to monitor compressor health | Yanchai Zhang, Zhaoxu Dong, Xuefei Hu | 2018-10-30 |
| 6127912 | Bobbin for an encapsulated coil of a solenoid assembly | John A. Hoffman | 2000-10-03 |
| 6121865 | Solenoid assembly having a sealing device for the electrical leads | Kyle Scholl | 2000-09-19 |
| 5481141 | Potentiometer including a plurality of resistive elements | Richard L. Brown | 1996-01-02 |
| D317694 | Tea brewer | — | 1991-06-25 |