Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11644071 | Rotor drive key assembly | Bradley E. Fish, Jonathan T. Beehler | 2023-05-09 |
| 8113286 | Downhole barrier valve | Clifford H. Beall, Michael J. May, James T. Sloan, Thad D. Andrews | 2012-02-14 |
| 7712842 | Wheel having hubcap clamp mounted to improve wheel balance and method of balancing a wheel using a hubcap clamp | Charles A. Parker, Matthew Spray, David D. McAfee, Todd R. Auel, Steve Hodge | 2010-05-11 |
| 7604056 | Downhole valve and method of making | — | 2009-10-20 |
| 6327765 | Methods of converting aircraft brake assemblies | David A. Niespodziany, Stanley W. May, Esaw Harris, Joseph M. Patko, Brian G. Harker | 2001-12-11 |
| 6286634 | Method of converting aircraft brake assemblies | David A. Niespodziany, Stanley W. May, Esaw Harris, Joseph M. Patko, Brian G. Harker | 2001-09-11 |
| 6205633 | Methods of converting aircraft brake assemblies | David A. Niespodziany, Stanley W. May, Esaw Harris, Joseph M. Patko, Brian G. Harker | 2001-03-27 |
| 5926932 | Methods of converting aircraft brake assemblies | David A. Niespodziany, Stanley W. May, Esaw Harris, Joseph M. Patko, Brian G. Harker | 1999-07-27 |
| 5088520 | Modular solenid valve | Charles T. Zakreski | 1992-02-18 |