Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959252 | Hydraulic apparatus and operating method | Niall James Caldwell, Jill Macpherson, Matthew Green, Callan MacKay | 2024-04-16 |
| 11525510 | Piston rings | Luke Wadsley | 2022-12-13 |
| 11441549 | Controller for hydraulic pump | Alexis Dole, Onno Kuttler | 2022-09-13 |
| 11162514 | Fluid power distribution and control system | William Hugh Salvin Rampen, Niall James Caldwell, Pierre Joly, Michael Richard Fielding | 2021-11-02 |
| 11078934 | Measurement and use of hydraulic stiffness properties of hydraulic apparatus | Niall James Caldwell | 2021-08-03 |
| 11022153 | Hydraulic apparatus comprising synthetically commutated machine, and operating method | Matthew Green | 2021-06-01 |
| 10995739 | Fluid working machine having first and second valve cylinder devices in fluid communication with each other via a common conduit | Alexis Dole | 2021-05-04 |
| 10677058 | Fluid working machine having offset valve cylinders | Alexis Dole, Stephen Michael Laird | 2020-06-09 |
| 10180135 | Industrial system with synthetically commutated variable displacement fluid working machine | Niall James Caldwell, Jeremy Edmondson, Alasdair Ian Fletcher Robertson | 2019-01-15 |
| 10161423 | Fluid power distribution and control system | William Hugh Salvin Rampen, Niall James Caldwell, Pierre Joly, Michael Richard Fielding | 2018-12-25 |
| 10094372 | Fluid-working machine and operating method | Niall James Caldwell, William Hugh Salvin Rampen, Jonathan Paul Almond | 2018-10-09 |
| 9797393 | Fluid-working machine valve timing | William Hugh Salvin Rampen, Niall James Caldwell, Stephen Michael Laird, Pierre Joly, Michael Richard Fielding +1 more | 2017-10-24 |
| 9732748 | Valve unit and a fluid working machine comprising a valve unit | Jens Eilers, Jack Samuel Lavender, Stephen Michael Laird | 2017-08-15 |
| 9328720 | Fluid-working machine with multi-lobe ring cam | Niall James Caldwell, Daniil Dumnov, William Hugh Salvin Rampen, Alasdair Ian Fletcher Robertson, Robert George Fox | 2016-05-03 |
| 9309877 | Cylinder assembly for fluid working machine | — | 2016-04-12 |
| 9188119 | Fluid-working machine and operating method | Niall James Caldwell, William Hugh Salvin Rampen, Jonathan Paul Almond | 2015-11-17 |
| 9133839 | Fluid-working machine and method of detecting a fault | William Hugh Salvin Rampen, Niall James Caldwell, Michael Richard Fielding, Stephen Michael Laird, John Campbell | 2015-09-15 |
| 9127656 | Ring cam and fluid-working machine including ring cam | William Hugh Salvin Rampen, Robert George Fox, Stephen Hugh Salter | 2015-09-08 |
| 9091253 | Fluid working machines and methods | Niall James Caldwell | 2015-07-28 |
| 9051932 | Face sealing annular valve | Jens Eilers, Fergus McIntyre, Gordon Voller | 2015-06-09 |
| 9052032 | Valve assembly | Niall James Caldwell, William Hugh Salvin Rampen | 2015-06-09 |
| 9052033 | Valve assembly | Niall James Caldwell, William Hugh Salvin Rampen | 2015-06-09 |
| 9046098 | Face sealing annular valve for a fluid-working machine | Jens Eilers, Gordon Voller | 2015-06-02 |
| 9033309 | Valve actuator | William Hugh Salvin Rampen, Niall James Caldwell | 2015-05-19 |
| D728628 | Fluid working machine | Luke Wadesly, Alexis Dole, Stephen Michael Laird | 2015-05-05 |