Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12315691 | Zero crossing contactor and method of operating | John Houghton, Robert Henry Keith Miles Bullock | 2025-05-27 |
| 12020878 | Zero crossing contactor and method of operating | John Houghton, Robert Henry Keith Miles Bullock | 2024-06-25 |
| 11664180 | Zero crossing contactor and method of operating | John Houghton, Robert Henry Keith Miles Bullock | 2023-05-30 |
| 11302501 | Contactor assembly and method of operating | John Houghton, Robert Henry Keith Miles Bullock | 2022-04-12 |
| 11189449 | Zero crossing contactor and method of operating | John Houghton, Robert Henry Keith Miles Bullock | 2021-11-30 |
| 5653189 | Hydrofoil craft | — | 1997-08-05 |
| 5469801 | Advanced marine vehicles for operation at high speed in or above rough water | — | 1995-11-28 |
| 5311832 | Advanced marine vehicles for operation at high speeds in or above rough water | — | 1994-05-17 |
| 4924792 | High speed planing boat | Samuel C. Sapp | 1990-05-15 |
| D300130 | Planing boat | Samuel C. Sapp | 1989-03-07 |
| 4748929 | Planing catamaran | — | 1988-06-07 |