Blackhawk Specialty Tools, LLC
Patent Applications and Registrations
Patent applications and USPTO patent grants for Blackhawk Specialty Tools, LLC.The latest application filed is for "method and apparatus for wellbore centralization".
- Blackhawk Specialty Tools, LLC - Houston TX US
- Blackhawk Specialty Tools, LLC -
Trademarks
| Patent | Date |
|---|---|
| Method and apparatus for wellbore centralization Grant 11,225,841 - Robichaux , et al. January 18, 2 | 2022-01-18 |
| Method and Apparatus for Wellbore Centralization App 20200149358 - Robichaux; Ron D. ; et al. | 2020-05-14 |
| Method and apparatus for automated connection of a fluid conduit Grant 10,619,428 - Robichaux , et al. | 2020-04-14 |
| Method and apparatus for wellbore centralization Grant 10,570,675 - Robichaux , et al. Feb | 2020-02-25 |
| Method and Apparatus for Automated Connection of a Fluid Conduit App 20180328121 - Robichaux; Ron D. ; et al. | 2018-11-15 |
| Method and apparatus for automated connection of a fluid conduit Grant 10,041,310 - Robichaux , et al. August 7, 2 | 2018-08-07 |
| Slip Assembly for Anchoring Downhole Plugs and Retainers App 20180045017 - Thornton; Hansel ; et al. | 2018-02-15 |
| Method and Apparatus for Automated Connection of a Fluid Conduit App 20170298700 - ROBICHAUX; RON D. ; et al. | 2017-10-19 |
| Method and Apparatus for Wellbore Centralization App 20170198533 - Robichaux; Ron D. ; et al. | 2017-07-13 |
| Method and apparatus for automated connection of a fluid conduit Grant 9,689,216 - Robichaux , et al. June 27, 2 | 2017-06-27 |
| Method of signaling passage of objects using tattle-tale apparatus Grant 9,683,437 - Flanigan , et al. June 20, 2 | 2017-06-20 |
| Method and apparatus for anchoring casing and other tubular goods Grant 9,677,351 - Robichaux , et al. June 13, 2 | 2017-06-13 |
| Method and apparatus for performing cementing operations Grant 9,605,505 - Robichaux , et al. March 28, 2 | 2017-03-28 |
| Method and apparatus for performing cementing operations on top drive rigs Grant 9,500,060 - Robichaux , et al. November 22, 2 | 2016-11-22 |
| Method and apparatus for retaining a valve to a cement head Grant 9,488,032 - Robichaux , et al. November 8, 2 | 2016-11-08 |
| Method And Apparatus For Automated Connection Of A Fluid Conduit App 20160145953 - MARTENS; JAMES G. ; et al. | 2016-05-26 |
| Large bore auto-fill float equipment Grant 9,328,585 - Groesbeck , et al. May 3, 2 | 2016-05-03 |
| Method And Apparatus For Performing Cementing Operations App 20160102521 - ROBICHAUX; RON D. ; et al. | 2016-04-14 |
| Well centralizer Grant 9,297,218 - Jordan , et al. March 29, 2 | 2016-03-29 |
| Well Centralizer App 20150368991 - JORDAN; J. CHRISTOPHER ; et al. | 2015-12-24 |
| Method and apparatus for performing cementing operations Grant 9,212,531 - Robichaux , et al. December 15, 2 | 2015-12-15 |
| Method And Apparatus For Catching Darts And Other Dropped Objects App 20150308213 - JORDAN; J. CHRISTOPHER ; et al. | 2015-10-29 |
| Well centralizer Grant 9,127,519 - Jordan , et al. September 8, 2 | 2015-09-08 |
| Automated Connection Assembly App 20150159457 - HEBERT; JOHN E. ; et al. | 2015-06-11 |
| Large Bore Auto-fill Float Equipment App 20150136404 - GROESBECK; BRAD ; et al. | 2015-05-21 |
| Large bore auto-fill float equipment Grant 8,955,543 - Groesbeck , et al. February 17, 2 | 2015-02-17 |
| Tattle-tale apparatus Grant 8,887,799 - Robichaux , et al. November 18, 2 | 2014-11-18 |
| Method and Apparatus for Retaining Elevated Objects App 20140306069 - Robichaux; Ron D. ; et al. | 2014-10-16 |
| Method and Apparatus for Preforming Cementing Operations on Top Drive Rigs App 20140151044 - Robichaux; Ron D. ; et al. | 2014-06-05 |
| Method And Apparatus For Anchoring Casing And Other Tubular Goods App 20140076583 - ROBICHAUX; RON D. ; et al. | 2014-03-20 |
| Reversible Ported Sub Assembly App 20140041859 - JORDAN; J. CHRISTOPHER ; et al. | 2014-02-13 |
| Method and apparatus for performing cementing operations on top drive rigs Grant 8,636,067 - Robichaux , et al. January 28, 2 | 2014-01-28 |
| Method and Apparatus for Launching Objects in Dual Gradient Systems App 20130292135 - Jordan; J. Christopher ; et al. | 2013-11-07 |
| Well Centralizer App 20130248206 - JORDAN; J. CHRISTOPHER ; et al. | 2013-09-26 |
| Large bore auto-fill float equipment App 20110290344 - Groesbeck; Brad ; et al. | 2011-12-01 |
| Tattle-tale apparatus App 20110214853 - Robichaux; Ron D. ; et al. | 2011-09-08 |
| Method and apparatus for performing cementing operations on top drive rigs. App 20110048710 - Robichaux; Ron D. ; et al. | 2011-03-03 |
| Method and apparatus for performing cementing operations App 20100200222 - Robichaux; Ron D. ; et al. | 2010-08-12 |
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