Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458136 | Method and apparatus for producing waves suitable for surfing using wave-forming caissons with floating wave attenuator | Thomas J. Lochtefeld | 2019-10-29 |
| 10233660 | Apparatus for producing waves for surfing using staggered wave generators extended along a curved stagger line | Thomas J. Lochtefeld | 2019-03-19 |
| 9956510 | Filtration system and method for filtering a liquid | — | 2018-05-01 |
| 9879438 | Method and apparatus for dampening waves in a wave pool using padded grate drainage system | Thomas J. Lochtefeld, Hendrik Dirk van Ettinger | 2018-01-30 |
| 9856665 | Method and apparatus for dampening waves in a wave pool | Thomas J. Lochtefeld, Hendrik Dirk van Ettinger | 2018-01-02 |
| 9777494 | Method and apparatus for producing progressive waves suitable for surfing using staggered wave generators in sequence | Thomas J. Lochtefeld | 2017-10-03 |
| 9556633 | Method for producing waves for surfing using staggered wave generators extended along a curved stagger line | Thomas J. Lochtefeld | 2017-01-31 |
| 9506259 | Method and apparatus for dampening waves in a wave pool | Thomas J. Lochtefeld, Hendrik Dirk van Ettinger | 2016-11-29 |
| 8561221 | Method and apparatus for dampening waves in a wave pool | Thomas J. Lochtefeld, Hendrik Dirk van Ettinger | 2013-10-22 |
| 5771848 | Device for feeding liquid fuel to a diesel-type I.C. engine | — | 1998-06-30 |
| 5621925 | Pool or water tank, such as a swimming pool, provided with means generating waves | — | 1997-04-22 |
| 5047146 | Bidirectional flow vacuum filter for a swimming pool having influent and effluent conduits as structural members | — | 1991-09-10 |
| 4979244 | Wave valve | — | 1990-12-25 |
| 4705006 | Fuel injection pump for an internal combustion engine comprising a device for adjusting the instant of injection fuel delivery | — | 1987-11-10 |
| 4558474 | Wave generator | — | 1985-12-17 |
| 4522535 | Surf wave generator | — | 1985-06-11 |
| 4515500 | Combustion powered wave generator | — | 1985-05-07 |
| 4467483 | Pneumatic wave generator | — | 1984-08-28 |
| 4426198 | Fuel-injection pump for internal combustion engine | Roger Brisson, Claude Bonniot | 1984-01-17 |
| 4400273 | Pressure filter for liquid, in particular water | — | 1983-08-23 |
| 4226216 | Method of quick pneumatic braking of a diesel engine | — | 1980-10-07 |
| 4195610 | Method and device for stopping a fuel-injection internal combustion engine in case of overspeed | — | 1980-04-01 |