Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10884069 | Control area network (CAN) bus fault detection | Richard Edwin Hubbard, Abhijeeth Aarey Premanath, Mark Edward Wentroble, Wesley Ray | 2021-01-05 |
| 10802517 | Multi-mode voltage regulator | Rida Shawky Assaad, Angelo William Pereira | 2020-10-13 |
| 8928265 | Sensorless field-oriented control (FOC) without current sampling for motors | Ling Qin, Swaminathan Kumar Ramanathan | 2015-01-06 |
| 7787525 | Method and apparatus for transmission of well-bore data on multiple carrier frequencies | Lloyd Douglas Clark, Joseph M. Steiner, Jr., Suzanne D. Richardson, Ramon Hernandez-Marti, Bart Bombay +2 more | 2010-08-31 |
| 7272523 | Trimming for accurate reference voltage | Soji K. John, Baoson Nguyen | 2007-09-18 |
| 7009312 | Versatile modular programmable power system for wireline logging | Ramon Hernandez-Marti, Gilbert R. Martinez | 2006-03-07 |
| 5736936 | Method and apparatus for predicting peak voltage of a cable conveyed tool | Bart Bombay, Marvin W. Rasmussen, Lloyd Douglas Clark, Jimmy Everett Neeley, Guy Vachon | 1998-04-07 |
| 5546672 | Magnetic mark detection | Heather A. Campbell, Marvin W. Rasmussen, Guy Vachon | 1996-08-20 |
| 5483232 | Method and apparatus for predicting peak voltage of a cable conveyed tool | Lloyd Douglas Clark, Jimmy Everett Neeley, Guy Vachon | 1996-01-09 |