Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927712 | Downhole ultrasound image correction in oil based mud | Peng Li, Chung Chang, Richard Timothy Coates, Rodney Allen Marlow, Xiang Wu +2 more | 2024-03-12 |
| 11519255 | Downhole tool dynamic and motion measurement with multiple ultrasound transducer | Peng Li, Chung Chang, Rodney Allen Marlow, Boguslaw Wiecek | 2022-12-06 |
| 11415720 | Downhole ultrasound image correction in oil based mud | Peng Li, Chung Chang, Richard Timothy Coates, Rodney Allen Marlow, Xiang Wu +2 more | 2022-08-16 |
| 10947838 | Echo velocity measurements without using recessed ultrasonic transceiver | Chung Chang, Peng Li, Ziyang LI, Rodney Allen Marlow | 2021-03-16 |
| 8599839 | System and method for transmitting serial data, and recording medium thereof | Chin-Shun Hsu, Kuan-Rong Lee | 2013-12-03 |
| 7463482 | Electronic appliance with locking mechanism | Chih-Wei Chien | 2008-12-09 |