Gregory; Benjamin J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gregory; Benjamin J..The latest application filed is for "tandem motor linear rod pump".
- Gregory; Benjamin J. - Racine WI
| Patent | Date |
|---|---|
| Tandem motor linear rod pump Grant 11,221,002 - Hilgers , et al. January 11, 2 | 2022-01-11 |
| Tandem motor linear rod pump Grant 10,968,904 - Hilgers , et al. April 6, 2 | 2021-04-06 |
| Tandem Motor Linear Rod Pump App 20190120218 - Hilgers; Andrew J. ; et al. | 2019-04-25 |
| Tandem Motor Linear Rod Pump App 20190120217 - Hilgers; Andrew J. ; et al. | 2019-04-25 |
| Dual completion linear rod pump Grant 10,233,919 - Gregory | 2019-03-19 |
| Tandem motor linear rod pump Grant 10,197,048 - Hilgers , et al. Fe | 2019-02-05 |
| Tandem Motor Linear Rod Pump App 20170107979 - Hilgers; Andrew J. ; et al. | 2017-04-20 |
| Dual Completion Linear Rod Pump App 20160363116 - Gregory; Benjamin J. | 2016-12-15 |
| Winched Rod Pump Apparatus And Method App 20140271260 - Gregory; Benjamin J. ; et al. | 2014-09-18 |
| Cranked Rod Pump Method App 20140219827 - Gregory; Benjamin J. ; et al. | 2014-08-07 |
| Cranked rod pump apparatus and method Grant 8,708,671 - Gregory , et al. April 29, 2 | 2014-04-29 |
| Linear rod pump apparatus and method Grant 8,668,475 - Gregory , et al. March 11, 2 | 2014-03-11 |
| Cranked Rod Pump Apparatus And Method App 20130302183 - Gregory; Benjamin J. ; et al. | 2013-11-14 |
| Linear Rod Pump Apparatus and Method App 20120230841 - Gregory; Benjamin J. ; et al. | 2012-09-13 |
| Cranked Rod Pump Apparatus And Method App 20110232283 - Gregory; Benjamin J. ; et al. | 2011-09-29 |
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