Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9359879 | Cyclonic separators and methods for separating particulate matter and solids from well fluids | Paul Ellerton, David Fielding | 2016-06-07 |
| 9127535 | Rigless low volume pump system | Robert A. Coyle, William Michel, Louis-Claude Porel, Paul Ellerton, David Fielding | 2015-09-08 |
| 8925637 | Rigless low volume pump system | Robert A. Coyle, William Michel, Louis-Claude Porel, Paul Ellerton, David Fielding | 2015-01-06 |
| 8511390 | Rigless low volume pump system | Robert A. Coyle, William Michel, Louis-Claude Porel, Paul Ellerton, David Fielding | 2013-08-20 |
| 7531772 | Apparatus for translational displacement of a lens in a laser focussing optical system | Peter Dullin, John Spang | 2009-05-12 |
| 6834062 | Method and apparatus for controlling laser energy | Stephen Hastings, Peter Dullin, Erwin Wagner, Peter Von Jan, Wolfgang Hauck | 2004-12-21 |