Pfaff; Shane W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pfaff; Shane W..The latest application filed is for "low-power electric safety valve".
- Pfaff; Shane W. - Spring TX
| Patent | Date |
|---|---|
| Low-power electric safety valve Grant 10,724,332 - Henschel, Jr. , et al. | 2020-07-28 |
| Tubing retrievable injection valve assembly Grant 10,378,312 - Hill, Jr. , et al. A | 2019-08-13 |
| Low-power Electric Safety Valve App 20190203564 - Henschel, JR.; Robert C. ; et al. | 2019-07-04 |
| Tubing Retrievable Injection Valve Assembly App 20180313189 - Hill, JR.; Thomas G. ; et al. | 2018-11-01 |
| Tubing retrievable injection valve assembly Grant 10,030,476 - Hill , et al. July 24, 2 | 2018-07-24 |
| Tubing Retrievable Injection Valve Assembly App 20180010423 - Hill; Thomas G. ; et al. | 2018-01-11 |
| Tubing retrievable injection valve assembly Grant 9,334,709 - Hill, Jr. , et al. May 10, 2 | 2016-05-10 |
| Method and Apparatus for Inserting a Tubular String into a Well App 20150204163 - Hill; Thomas G. ; et al. | 2015-07-23 |
| Tubing Retrievable Injection Valve Assembly App 20130081824 - Hill, JR.; Thomas G. ; et al. | 2013-04-04 |
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