Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9739266 | Fluid-working machine and method of operating a fluid-working machine | William Hugh Salvin Rampen, Michael Richard Fielding, Niall James Caldwell, Stephen Michael Laird, Pierre Joly | 2017-08-22 |
| 9127656 | Ring cam and fluid-working machine including ring cam | William Hugh Salvin Rampen, Uwe Bernhard Pascal Stein, Robert George Fox | 2015-09-08 |
| 9003954 | Variable displacement radial piston fluid working machine | William Hugh Salvin Rampen, Uwe Bernhard Pascal Stein, Robert George Fox | 2015-04-14 |
| 8358024 | Wind turbine generator and tidal current generator with a hydraulic transmission | Kazuhisa Tsutsumi, Atsushi Maekawa, Masayuki Shimizu, Uwe Stein, William Hugh Salvin Rampen +2 more | 2013-01-22 |
| 6606849 | External combustion engine | William Hugh Salvin Rampen, Uwe Bernhardt Pascal Stein | 2003-08-19 |
| 5719350 | Blast and splinter proof screening device and his method of use | John Parkes | 1998-02-17 |
| 5259738 | Fluid-working machine | William Hugh Salvin Rampen | 1993-11-09 |
| 5190446 | Pump control method and poppet valve therefor | William Hugh Salvin Rampen | 1993-03-02 |
| 4980718 | Registration method in photolithography and equipment for carrying out this method | John Stevenson, Alan M. Gundlach | 1990-12-25 |
| 4300871 | Method of, and apparatus for, extracting energy from waves | Eric Roberts Laithwaite | 1981-11-17 |
| 4198821 | Devices for extracting energy from wave power | George W. Moody, JR., John L. Wilson | 1980-04-22 |