Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010104 | Fluid-working machine valve timing | William Hugh Salvin Rampen, Niall James Caldwell, Stephen Michael Laird, Pierre Joly, Michael Richard Fielding +1 more | 2015-04-21 |
| 9003954 | Variable displacement radial piston fluid working machine | Stephen Hugh Salter, William Hugh Salvin Rampen, Robert George Fox | 2015-04-14 |
| 8905732 | Fluid working machine | Onno Kuttler | 2014-12-09 |
| 8870553 | Fluid working machine and method of operating a fluid working machine | Jack Samuel Lavender, Michael Richard Fielding, Niall James Caldwell, Stephen Michael Laird | 2014-10-28 |
| 8757583 | Fluid-working machine | — | 2014-06-24 |
| 8657589 | Operating method for a hydraulic machine | Niall James Caldwell, William Hugh Salvin Rampen | 2014-02-25 |
| 8646264 | Cooling system and a transmission system having said cooling system integrated therewith | William Hugh Salvin Rampen, Niall James Caldwell | 2014-02-11 |
| 8602381 | Valve assemblies | Gordon Voller, Stephen Michael Laird | 2013-12-10 |
| 8348627 | Digital hydraulic pump/motor torque modulation system and apparatus | William Hugh Salvin Rampen, Michael Richard Fielding, Niall James Caldwell | 2013-01-08 |
| 8191518 | Valvetrain control arrangement | Niall James Caldwell, William Hugh Salvin Rampen | 2012-06-05 |
| 8108111 | Hydrostatic regenerative drive system | Michael Richard Fielding | 2012-01-31 |
| 7077378 | Annular valve | William Hugh Salvin Rampen, Niall James Caldwell | 2006-07-18 |