Hovercraft Development Ltd
HovercraftActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1203025A | Electromagnetically-propelled gas cushion vehicle | Expired / Lapsed | 1966-09-06 | — | 0 | Details |
| GB1147633A | Flexible wall structures for gas cushion vehicles | Expired / Lapsed | 1965-05-25 | — | 0 | Details |
| GB1089464A | Improvements in gas-cushion vehicles | Expired / Lapsed | 1965-02-25 | — | 0 | Details |
| US3500947A | Gas-cushion vehicles with wave restraining means for operat… | Expired / Lapsed | 1968-02-07 | 1970-03-17 | 0 | Details |
| US3318404A | Air cushion center of pressure displacing means for ground … | Expired / Lapsed | 1965-04-28 | 1967-05-09 | 2 | Details |
| US3289778A | Inflatable nozzle structure for surface effect devices | Expired / Lapsed | 1963-06-06 | 1966-12-06 | 1 | Details |
| FR1238499A | Vehicle enhancements for traveling over land or water | Expired / Lapsed | 1959-08-31 | 1960-12-02 | 0 | Details |