Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372083 | Electronically commutated hydraulic machine and operating method to reduce generation of resonance effects | Niall James Caldwell, Daniil Dumnov, Matthew Green, Jill Macpherson | 2025-07-29 |
| 11002267 | Valve for fluid working machine, fluid working machine and method of operation | William Hugh Salvin Rampen, Niall James Caldwell, Michael Richard Fielding, Peter McCurry, Mark Brett | 2021-05-11 |
| 10677058 | Fluid working machine having offset valve cylinders | Alexis Dole, Uwe Bernhard Pascal Stein | 2020-06-09 |
| 10584691 | Fluid working machine and method of operating a fluid working machine | Fergus McIntyre | 2020-03-10 |
| 9828986 | Method of measuring a property of entrained gas in a hydraulic fluid and fluid-working machine | Niall James Caldwell | 2017-11-28 |
| 9797393 | Fluid-working machine valve timing | William Hugh Salvin Rampen, Uwe Bernhard Pascal Stein, Niall James Caldwell, Pierre Joly, Michael Richard Fielding +1 more | 2017-10-24 |
| 9739266 | Fluid-working machine and method of operating a fluid-working machine | Stephen Hugh Salter, William Hugh Salvin Rampen, Michael Richard Fielding, Niall James Caldwell, Pierre Joly | 2017-08-22 |
| 9732748 | Valve unit and a fluid working machine comprising a valve unit | Uwe Bernhard Pascal Stein, Jens Eilers, Jack Samuel Lavender | 2017-08-15 |
| 9133838 | Fluid-working machine and method of operating a fluid-working machine | William Hugh Salvin Rampen, Niall James Caldwell | 2015-09-15 |
| 9133839 | Fluid-working machine and method of detecting a fault | William Hugh Salvin Rampen, Niall James Caldwell, Michael Richard Fielding, Uwe Bernhard Pascal Stein, John Campbell | 2015-09-15 |
| 9091254 | Fluid working machine and method of operating a fluid working machine | Daniil Dumnov, Michael Richard Fielding, Niall James Caldwell | 2015-07-28 |
| D728628 | Fluid working machine | Luke Wadesly, Alexis Dole, Uwe Bernhard Pascal Stein | 2015-05-05 |
| 9010104 | Fluid-working machine valve timing | William Hugh Salvin Rampen, Uwe Bernhard Pascal Stein, Niall James Caldwell, Pierre Joly, Michael Richard Fielding +1 more | 2015-04-21 |
| 8870553 | Fluid working machine and method of operating a fluid working machine | Jack Samuel Lavender, Michael Richard Fielding, Niall James Caldwell, Uwe Bernhard Pascal Stein | 2014-10-28 |
| 8602381 | Valve assemblies | Uwe Bernhard Pascal Stein, Gordon Voller | 2013-12-10 |
| 8450868 | Wind turbine generator and tidal current generator and operation method thereof | Kazuhisa Tsutsumi, Masayuki Shimizu, Niall James Caldwell, Daniil Dumnov, Venkata Pappala | 2013-05-28 |