Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11661833 | Downhole solids separator | — | 2023-05-30 | |
| 11421518 | Apparatuses and systems for regulating flow from a geological formation, and related methods | Lance I. Fielder, Avinash Gopal Dharne, Robert P. Fielder, III | 2022-08-23 | |
| 10082014 | Apparatus and method for preventing particle interference of downhole devices | Robert P. Fielder, III, Evan Sheline | 2018-09-25 | |
| 9506323 | Downhole system having chemical injection valve assembly and method of chemical injection | Marc Samuelson, David S. Bishop, Zhi Yong He | 2016-11-29 | $21,949,000 |
| 9145748 | Fluid velocity-driven circulation tool | Christopher R. Arnold | 2015-09-29 | $8,650,000 |