Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671686 | Systems and methods for providing backup energy to a load | Joseph F. Pinkerton, David Perkins | 2014-03-18 |
| 7693402 | Thermal storage unit and methods for using the same to heat a fluid | Robert S. Hudson, David Perkins, Donald M. Hudson, Donald Stamets, Joseph F. Pinkerton | 2010-04-06 |
| 7681395 | Systems and methods for providing backup energy to a load | Joseph F. Pinkerton, David Perkins | 2010-03-23 |
| 7127895 | Systems and methods for providing backup energy to a load | Joseph F. Pinkerton, David Perkins | 2006-10-31 |
| 6109541 | Apparatus for reducing the bounce of a poppet valve | Steven J. Bockelman, Jon E. Kasen | 2000-08-29 |
| 6062186 | Method of starting an engine | Travis E. Barnes, William H. Lane, Alan R. Stockner | 2000-05-16 |
| 6012429 | Hydraulically-actuated fuel injector with idle stability port | Ralph A. Smith, III, Steven Y. Tian | 2000-01-11 |
| 5992768 | Fluid seal for cyclic high pressures within a fuel injector | Ralph A. Smith, III | 1999-11-30 |
| 5950931 | Pressure decay passage for a fuel injector having a trapped volume nozzle assembly | Chetan J. Desai, George M. Matta | 1999-09-14 |
| 5788154 | Method of preventing cavitation in a fuel injector having a solenoid actuated control valve | — | 1998-08-04 |
| 5683228 | Oil pump cavitation relief | — | 1997-11-04 |