Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119375 | Method, apparatus, and system for injecting chemicals into lower tertiary wells | — | 2018-11-06 |
| 10100611 | Deep set subsurface safety valve with a micro piston latching mechanism | Robert C. Henschel | 2018-10-16 |
| 10053936 | Thermal compensating tubing anchor for a pumpjack well | Sam Herod, Robert C. Henschel | 2018-08-21 |
| 10030476 | Tubing retrievable injection valve assembly | Robert C. Henschel, Rory L. Hodge, Shane W. Pfaff | 2018-07-24 |
| 10018022 | Method and apparatus for injecting fluid into spaced injection zones in an oil/gas well | Jason C. Mailand | 2018-07-10 |
| 9920593 | Dual barrier injection valve with a variable orifice | Jason C. Mailand | 2018-03-20 |