Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053784 | Downhole pump with traveling valve and pilot | — | 2021-07-06 |
| 10633070 | Locking device of actuation stroke of marine vessel control system | Pietro Gai, Marcella Gai | 2020-04-28 |
| 10364658 | Downhole pump with controlled traveling valve | — | 2019-07-30 |
| 10030490 | Reciprocating pumps for downhole deliquification systems and fluid distribution systems for actuating reciprocating pumps | — | 2018-07-24 |
| 10024309 | Reciprocating pumps for downhole deliquification systems and pistons for reciprocating pumps | — | 2018-07-17 |
| 9127535 | Rigless low volume pump system | Robert A. Coyle, Louis-Claude Porel, Alistair Gill, Paul Ellerton, David Fielding | 2015-09-08 |
| 8925637 | Rigless low volume pump system | Robert A. Coyle, Louis-Claude Porel, Alistair Gill, Paul Ellerton, David Fielding | 2015-01-06 |
| 8511390 | Rigless low volume pump system | Robert A. Coyle, Louis-Claude Porel, Alistair Gill, Paul Ellerton, David Fielding | 2013-08-20 |
| 5934956 | Mounting arrangement for engine steering cylinder | Steve Brady, Mike Kostic, John Janowiecki | 1999-08-10 |
| 5477680 | Motor driven hydraulic tool with variable displacement hydraulic pump | George T. Heskey, Louis-Claude Porel | 1995-12-26 |