Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8552842 | RF wireless permanently mounted searchlight | Richard Lee, William B. McDonough | 2013-10-08 |
| 8474788 | Control utilizing non-contact switching for control and current sensing technology for operating a valve | David L. Phillips, Jesus Estrada | 2013-07-02 |
| 8425200 | Pump controller | Derrick T. Tran, Thang Quoc Dang, David L. Phillips, Jignesh N. Pandya, Ujjaval D. Joshi | 2013-04-23 |
| 7628381 | Method for replacing seals in recreational vehicles gate valves without removing valve housing from plumbing | David L. Phillips, Ashfaq Mir | 2009-12-08 |
| 7600739 | Compartmentalized electric/manual gate valve | David L. Phillips, Ashfaq Mir | 2009-10-13 |
| 6998807 | Active sensing and switching device | David L. Phillips, William B. McDonough, Ned Santos | 2006-02-14 |
| 6991192 | Apparatus for adapting waste disposal pump to waste discharge ports of RV's, RV park systems, trains, airplanes, buses, boats and portable toilet applications, for easy and sanitary disposal of waste holding tanks | David L. Phillips, Gerard K. Caldwell | 2006-01-31 |