Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365530 | Dog waste storage container and bag dispenser | — | 2025-07-22 |
| 10724332 | Low-power electric safety valve | Robert C. Henschel, Samuel E. Herod, Paul R. Boriack, Shane W. Pfaff, Jason C. Mailand | 2020-07-28 |
| 10704361 | Method and apparatus for injecting fluid into spaced injection zones in an oil/gas well | Jason C. Mailand | 2020-07-07 |
| 10458203 | Pressure cycle actuated injection valve | Jason C. Mailand | 2019-10-29 |
| 10378312 | Tubing retrievable injection valve assembly | Robert C. Henschel, Rory L. Hodge, Shane W. Pfaff | 2019-08-13 |
| 10309201 | Method, apparatus, and system for injecting chemicals into lower tertiary wells | — | 2019-06-04 |
| 10294755 | Dual barrier injection valve with a variable orifice | Jason C. Mailand | 2019-05-21 |
| 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 |
| 9771777 | Tubing retrievable injection valve assembly | Robert C. Henschel | 2017-09-26 |
| 9638006 | Safety system for wells having a cable deployed electronic submersible pump | Robert C. Henschel | 2017-05-02 |
| 9624755 | Wireline retrievable injection valve assembly with a variable orifice | Robert C. Henschel | 2017-04-18 |
| 9527643 | Package with open chamber | Jacob Streich, Matthew M. Culver, Wade A. Ledin | 2016-12-27 |
| 9523260 | Dual barrier injection valve | Jason C. Mailand | 2016-12-20 |
| 9441456 | Deep set subsurface safety valve with a micro piston latching mechanism | Robert C. Henschel | 2016-09-13 |
| 9334709 | Tubing retrievable injection valve assembly | Robert C. Henschel, Rory L. Hodge, Shane W. Pfaff | 2016-05-10 |
| 9217312 | Wireline retrievable injection valve assembly with a variable orifice | Robert C. Henschel | 2015-12-22 |
| 9133688 | Integral multiple stage safety valves | Robert Jancha | 2015-09-15 |
| 9103184 | Inflow control valve | Robert C. Henschel | 2015-08-11 |
| 8960298 | Deep set subsurface safety system | Robert C. Henschel | 2015-02-24 |
| 8167046 | Method and apparatus to hydraulically bypass a well tool | Jeffrey L. Bolding, David R. Smith | 2012-05-01 |