Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372083 | Electronically commutated hydraulic machine and operating method to reduce generation of resonance effects | Niall James Caldwell, Matthew Green, Stephen Michael Laird, Jill Macpherson | 2025-07-29 |
| 12084839 | Hydraulic apparatus and method for a vehicle | Niall James Caldwell | 2024-09-10 |
| 9976641 | Hydraulic transmission | Niall James Caldwell, Daniel Abrahams | 2018-05-22 |
| 9797393 | Fluid-working machine valve timing | William Hugh Salvin Rampen, Uwe Bernhard Pascal Stein, Niall James Caldwell, Stephen Michael Laird, Pierre Joly +1 more | 2017-10-24 |
| 9328720 | Fluid-working machine with multi-lobe ring cam | Niall James Caldwell, William Hugh Salvin Rampen, Alasdair Ian Fletcher Robertson, Uwe Bernhard Pascal Stein, Robert George Fox | 2016-05-03 |
| 9103438 | Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source | Niall James Caldwell, Michael Richard Fielding | 2015-08-11 |
| 9091254 | Fluid working machine and method of operating a fluid working machine | Stephen Michael Laird, Michael Richard Fielding, Niall James Caldwell | 2015-07-28 |
| 9010104 | Fluid-working machine valve timing | William Hugh Salvin Rampen, Uwe Bernhard Pascal Stein, Niall James Caldwell, Stephen Michael Laird, Pierre Joly +1 more | 2015-04-21 |
| 8450868 | Wind turbine generator and tidal current generator and operation method thereof | Kazuhisa Tsutsumi, Masayuki Shimizu, Niall James Caldwell, Stephen Michael Laird, Venkata Pappala | 2013-05-28 |
| 8362633 | Wind turbine generator with a control unit for controlling a rotation speed of a main shaft | Kazuhisa Tsutsumi, Masayuki Shimizu | 2013-01-29 |