Hardin, Jr.; John Ransford
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hardin, Jr.; John Ransford.The latest application filed is for "point-the-bit bottom hole assembly with reamer".
- Hardin, Jr.; John Ransford - Spring TX
- Hardin, Jr.; John Ransford - Houston TX
| Patent | Date |
|---|---|
| Point-the-bit bottom hole assembly with reamer Grant 11,274,499 - Hardin, Jr. March 15, 2 | 2022-03-15 |
| Push-the-bit bottom hole assembly with reamer Grant 11,174,681 - Hardin, Jr. November 16, 2 | 2021-11-16 |
| Point-the-bit Bottom Hole Assembly With Reamer App 20210207440 - HARDIN, JR.; John Ransford | 2021-07-08 |
| Strategic flexible section for a rotary steerable system Grant 11,035,174 - Hardin, Jr. June 15, 2 | 2021-06-15 |
| Push-the-bit Bottom Hole Assembly With Reamer App 20210148172 - HARDIN, JR.; John Ransford | 2021-05-20 |
| Strategic Flexible Section for a Rotary Steerable System App 20200080381 - Hardin, JR.; John Ransford | 2020-03-12 |
| Reamer and bit interaction model system and method Grant 9,518,450 - Servaes , et al. December 13, 2 | 2016-12-13 |
| Remote hydraulic control of downhole tools Grant 9,453,380 - Hardin, Jr. , et al. September 27, 2 | 2016-09-27 |
| Remote Hydraulic Control Of Downhole Tools App 20150292281 - Hardin, JR.; John Ransford ; et al. | 2015-10-15 |
| Reamer And Bit Interaction Model System And Method App 20150198014 - Servaes; Luk ; et al. | 2015-07-16 |
| Downhole tool and control module Grant 8,807,246 - Lassoie , et al. August 19, 2 | 2014-08-19 |
| Reamer Tool Positionable In A Wellbore App 20140110179 - Lassoie; Jean-Pierre ; et al. | 2014-04-24 |
| Reamer and Bit Interaction Model System and Method App 20110166837 - Servaes; Luk ; et al. | 2011-07-07 |
| Energized slip ring assembly Grant 7,320,363 - Sand , et al. January 22, 2 | 2008-01-22 |
| Command method for a steerable rotary drilling device Grant 6,948,572 - Hay , et al. September 27, 2 | 2005-09-27 |
| Floating instrument insert for a tool Grant 6,899,174 - Maxwell , et al. May 31, 2 | 2005-05-31 |
| Steerable rotary drilling device Grant 6,640,909 - Vandenberg , et al. November 4, 2 | 2003-11-04 |
| Steerable rotary directional drilling method Grant 6,340,063 - Comeau , et al. January 22, 2 | 2002-01-22 |
| Steerable rotary drilling device and directional drilling method Grant 6,244,361 - Comeau , et al. June 12, 2 | 2001-06-12 |
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