Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021925 | Pressure control device | Craig Spalding, Krishna Kankanalapalli, Vijay Avanashiappan | 2021-06-01 |
| 10641107 | Turbine blade with tip overhang along suction side | John COULL, Howard P. Hodson, Adrian James White, Knut LEHMANN, Manuel Herm | 2020-05-05 |
| 10167679 | Coupling, downhole device, assembly and method | David Hare, Vijayamirtharaj Avanashiappan, Craig Spalding | 2019-01-01 |
| 10087705 | Seal assembly | David Hare, Mike Allen, Stephen Michael Rooney | 2018-10-02 |
| 9903175 | Pressure control device | Craig Spalding, Tim Clarke, David Hare | 2018-02-27 |
| 9353632 | Aerofoil structure | Li He, Qiang Zhang, Andrew P Wheeler | 2016-05-31 |
| 8579038 | Sealing apparatus | Timothy Alan Clarke | 2013-11-12 |
| 7380592 | Pressure control tool for modluating pressure in a portion of a wellbore | Phillip Egleton, Craig Spalding | 2008-06-03 |
| 7308945 | Packing tool and method | Craig Spalding | 2007-12-18 |
| D514141 | Pressure sealing cup for oil and gas wells | Philip CG Egleton, Craig Spalding | 2006-01-31 |