Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9260840 | Main valve for dry barrel fire hydrant | — | 2016-02-16 |
| 8746655 | Actuator for butterfly valves | — | 2014-06-10 |
| 6584867 | Spur gear to interconnect rack and worm | — | 2003-07-01 |
| 6254060 | Gate assembly for a double disk gate valve | — | 2001-07-03 |
| 6035892 | Telescoping valve having improved seal | — | 2000-03-14 |
| 5998240 | Method of extracting heat from a semiconductor body and forming microchannels therein | Robin E. Hamilton, John A. Ostop, Martin Baker, Gregory A. Arlow, John C. Golombeck +1 more | 1999-12-07 |
| 5971358 | Gate assembly for a double disk gate valve | — | 1999-10-26 |
| 5901037 | Closed loop liquid cooling for semiconductor RF amplifier modules | Robin E. Hamilton, Thomas J. Fagan, William Woodward | 1999-05-04 |
| 5886479 | Precession of the plasma torus in electrodeless lamps by non-mechanical means | Edward H. Hooper | 1999-03-23 |
| 5852339 | Affordable electrodeless lighting | Robin E. Hamilton, Raymond A. Smith | 1998-12-22 |
| 5841244 | RF coil/heat pipe for solid state light driver | Robin E. Hamilton, Raymond A. Smith | 1998-11-24 |
| 5801442 | Microchannel cooling of high power semiconductor devices | Robin E. Hamilton, John A. Ostop, Martin Baker, Gregory A. Arlow, John C. Golombeck +1 more | 1998-09-01 |
| 5763951 | Non-mechanical magnetic pump for liquid cooling | Robin E. Hamilton, Christopher R. Vale | 1998-06-09 |
| 5692558 | Microchannel cooling using aviation fuels for airborne electronics | Robin E. Hamilton | 1997-12-02 |
| 5642451 | Fiberoptic cable junction | Willard Stevenson | 1997-06-24 |
| 5551211 | Vacuum operated bottom former | Richard Prochut, Jorgen Lofstedt, Ikuro Yokoyama, Christer Nilsson | 1996-09-03 |
| 5386844 | Float actuated combination air and vacuum valve | — | 1995-02-07 |
| 5383495 | Stainless steel security cap for fire hydrants | — | 1995-01-24 |
| 5280875 | Resilient seated mud valve | — | 1994-01-25 |
| 5186198 | Intake manifold relief valve | — | 1993-02-16 |
| 5148831 | Bi-directional shaftless butterfly valve | — | 1992-09-22 |
| 5010676 | Hand guard for firearms | — | 1991-04-30 |
| 4944490 | Shaftless butterfly valve | — | 1990-07-31 |
| 4763877 | Butterfly valve seal arrangement | — | 1988-08-16 |
| 4698886 | Eccentric plug valve | — | 1987-10-13 |