Porter, Don B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Porter, Don B..The latest application filed is for "multi-stage multi-piston valve".
- Porter, Don B. - Avra Valley AZ
- Porter; Don B. - Downey CA
| Patent | Date |
|---|---|
| Multi-stage multi-piston valve App 20030221730 - Porter, Don B. | 2003-12-04 |
| Elongated self-contained actuator Grant 6,530,220 - Porter , et al. March 11, 2 | 2003-03-11 |
| Actuator having internal valve structure Grant 6,516,706 - Porter , et al. February 11, 2 | 2003-02-11 |
| System for remote control and operation Grant 6,481,329 - Porter November 19, 2 | 2002-11-19 |
| Elongated self-contained actuator App 20020026792 - Porter, Don B. ; et al. | 2002-03-07 |
| System for remote control and operation App 20020023532 - Porter, Don B. | 2002-02-28 |
| Actuator having internal valve structure App 20010042435 - Porter, Don B. ; et al. | 2001-11-22 |
| Apparatus for eliminating noise in the flow of fluids Grant 4,079,754 - Porter March 21, 1 | 1978-03-21 |
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