Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372080 | Hydraulic pumping system | Alexandre Eroujenets | 2025-07-29 |
| 11608824 | Hydraulic pumping system | Alexandre Eroujenets | 2023-03-21 |
| 9261091 | Coaxial pumping apparatus with internal power fluid column | Norm Fisher | 2016-02-16 |
| 9115710 | Coaxial pumping apparatus with internal power fluid column | Alexandre Eroujenets, Norm Fisher, Lucas van den Berg, Gordon Bryce | 2015-08-25 |
| 8932030 | Hydraulic gravity ram pump | Gordon Bryce | 2015-01-13 |
| 8535017 | Hydraulic gravity ramp pump | Gordon Bryce | 2013-09-17 |
| 8454325 | Coaxial pumping apparatus with internal power fluid column | Norm Fisher | 2013-06-04 |
| 7967578 | Hydraulic gravity ram pump | Gordon Bryce | 2011-06-28 |