Witwer; Bruce J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witwer; Bruce J..The latest application filed is for "improved inner drilling riser tie-back internal connector".
- Witwer; Bruce J. - Cypress TX
- Witwer; Bruce J. - Cults Aberdeen
- Witwer; Bruce J. - Houston TX
| Patent | Date |
|---|---|
| Hands free gasket retention mechanism Grant 11,441,707 - Wade , et al. September 13, 2 | 2022-09-13 |
| Improved Inner Drilling Riser Tie-back Internal Connector App 20210002964 - Nelson; John E. ; et al. | 2021-01-07 |
| High Capacity Universal Connector App 20200116282 - Wade; Morris B. ; et al. | 2020-04-16 |
| Hands Free Gasket Retention Mechanism App 20200080670 - Wade; Morris B. ; et al. | 2020-03-12 |
| High capacity universal connector Grant 10,527,207 - Manning , et al. J | 2020-01-07 |
| Anti-rotation device for connector assembly and method Grant 10,184,303 - Wade , et al. Ja | 2019-01-22 |
| Method and apparatus for bit run and retrieved casing hanger locking device Grant 10,125,581 - Nelson , et al. November 13, 2 | 2018-11-13 |
| High Capacity Universal Connector App 20180163902 - Manning; Mark A. ; et al. | 2018-06-14 |
| Metal to metal annulus seal with enhanced lock-down capacity Grant 9,982,502 - Nelson , et al. May 29, 2 | 2018-05-29 |
| Anti-rotation Device For Connector Assembly And Method App 20170328139 - Wade; Morris B. ; et al. | 2017-11-16 |
| Method And Apparatus For Bit Run And Retrieved Casing Hanger Locking Device App 20170175496 - Nelson; John E. ; et al. | 2017-06-22 |
| Metal To Metal Annulus Seal With Enhanced Lock-down Capacity App 20160245040 - Nelson; John E. ; et al. | 2016-08-25 |
| Seal assembly and method Grant 9,151,134 - Reimert , et al. October 6, 2 | 2015-10-06 |
| Seal Assembly And Method App 20130206427 - Reimert; Larry E. ; et al. | 2013-08-15 |
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