Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328558 | Coating of the piston for a rotating percussion system in downhole drilling | Xiaobin Lu | 2016-05-03 |
| 8836502 | Personal media device input and output control based on associated conditions | Michael Culbert, David Tupman, Daniel S. Keen, Anthony J. Guetta, Ryan Jeffrey Du Bois +6 more | 2014-09-16 |
| 8746374 | Method and apparatus for reducing lubricant pressure pulsation within a rotary cone rock bit | Thomas Gallifet, Xiaobin Lu | 2014-06-10 |
| 7721827 | Rock bit having a seal gland with a conical sealing surface | Thomas Gallifet | 2010-05-25 |
| 4939644 | Input/output controller for controlling the sequencing of the execution of input/output commands in a data processing system | Steve A. Caldara, Louis A. Lemone, Kenneth R. Andrews, Jr. | 1990-07-03 |
| 4901232 | I/O controller for controlling the sequencing of execution of I/O commands and for permitting modification of I/O controller operation by a host processor | John R. McDaniel, Steve A. Caldara, Louis A. Lemone, Kenneth R. Andrews, Jr., Paul Funk | 1990-02-13 |