Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5779159 | Additive fluid peripheral channeling fire fighting nozzle | by Dwight Williams | 1998-07-14 |
| 5575341 | Mechanical foam fire fighting equipment and method | Kenneth C. Baker, Dwight P. Williams | 1996-11-19 |
| 5312041 | Dual fluid method and apparatus for extinguishing fires | Dwight P. Williams | 1994-05-17 |
| 5275243 | Dry powder and liquid method and apparatus for extinguishing fire | Dwight P. Williams | 1994-01-04 |
| 5167285 | Dry powder and liquid method and apparatus for extinguishing fire | Dwight P. Williams | 1992-12-01 |
| 5012979 | Adjustable foaming chamber stem for foam-applying nozzle | — | 1991-05-07 |
| 4828038 | Foam fire fighting apparatus | — | 1989-05-09 |
| 4781467 | Foam-generating apparatus | — | 1988-11-01 |
| 4705405 | Mixing apparatus | — | 1987-11-10 |
| 4640461 | Foam-applying nozzle | — | 1987-02-03 |
| 4497442 | Foam-applying nozzle having adjustable flow rates | — | 1985-02-05 |