Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624275 | System and method for improving rotating survey accuracy | Jonathan Peter Zacharko | 2023-04-11 |
| 11585189 | Systems and methods for recycling excess energy | Heiko Schmirgel, Richard Thomas Hay | 2023-02-21 |
| 11133664 | Solid state protection circuits for a converter circuit | Jonathan Peter Zacharko | 2021-09-28 |
| 10972028 | Dynamic generator voltage control for high power drilling and logging-while-drilling | — | 2021-04-06 |
| 10961838 | System and method for improving rotating survey accuracy | Jonathan Peter Zacharko | 2021-03-30 |
| 10914120 | Flexible collar for a rotary steerable system | Christian Menger, Daniel Winslow | 2021-02-09 |
| 10808503 | Overvoltage protection of downhole generators | Jaya Deepti Dasika | 2020-10-20 |
| 10411626 | Dynamic generator voltage control for high power drilling and logging-while-drilling | — | 2019-09-10 |
| 10408020 | Direct current power source with reduced link capacitance for downhole applications | Hugh Douglas | 2019-09-10 |
| 8433672 | Method and apparatus for vehicle component health prognosis by integrating aging model, usage information and health signatures | Kwang-Keun Shin, Mutasim A. Salman, Yilu Zhang, Xidong Tang, Hong S. Bae +1 more | 2013-04-30 |
| 8334616 | Photovoltaic integrated variable frequency drive | Arshad Mansoor, Jih-Sheng Lai, Faisal Khan | 2012-12-18 |
| 8260493 | Health prognosis for complex system using fault modeling | Yilu Zhang, Mutasim A. Salman, Kwang-Keun Shin, Mark N. Howell, Xidong Tang +1 more | 2012-09-04 |
| 8207840 | Method and apparatus to estimate automotive alternator belt slip as a function of battery voltage | Yilu Zhang, Mutasim A. Salman | 2012-06-26 |
| 8078415 | Method and apparatus to monitor state of health of electrical connections between battery and generator | Yilu Zhang, Mutasim A. Salman | 2011-12-13 |
| 8055460 | Method and apparatus for monitoring solenoid health | Mutasim A. Salman | 2011-11-08 |