Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10577888 | Method of pressurizing fluid control valve | — | 2020-03-03 | |
| 10513906 | Portable lubrication unit for a hydraulic fracturing valve assembly, and method for pre-pressurizing valves | — | 2019-12-24 | |
| 10358891 | Portable lubrication unit for a hydraulic fracturing valve assembly, and method for pre-pressurizing valves | — | 2019-07-23 | |
| 9141405 | User interface construction | Martin J. Brown, David T. G. Drakard, Henning Lueke, Anthony P. Papageorgiou, Alena Shunkevich | 2015-09-22 | $4,871,000 |
| 4245847 | Wheelchair | — | 1981-01-20 |