Allen; John Timothy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Allen; John Timothy.The latest application filed is for "permeable lost circulation drilling liner".
- Allen; John Timothy - Dhahran SA
- Allen; John Timothy - Katy TX
- Allen; John Timothy - Tyler TX
| Patent | Date |
|---|---|
| Permeable lost circulation drilling liner Grant 10,378,307 - Allen , et al. A | 2019-08-13 |
| Permeable Lost Circulation Drilling Liner App 20180230771 - Allen; John Timothy ; et al. | 2018-08-16 |
| Permeable lost circulation drilling liner Grant 9,995,108 - Allen , et al. June 12, 2 | 2018-06-12 |
| Permeable Lost Circulation Drilling Liner App 20160237778 - Allen; John Timothy ; et al. | 2016-08-18 |
| Permeable lost circulation drilling liner Grant 9,353,584 - Allen , et al. May 31, 2 | 2016-05-31 |
| Downhole Bha Seismic Signal Generator App 20150240614 - Allen; John Timothy ; et al. | 2015-08-27 |
| Permeable Lost Circulation Drilling Liner App 20130068478 - Allen; John Timothy ; et al. | 2013-03-21 |
| Top drive casing system Grant 8,230,933 - Snider , et al. July 31, 2 | 2012-07-31 |
| Top Drive Casing System App 20110232919 - Snider; Randy Gene ; et al. | 2011-09-29 |
| Top drive casing system Grant 7,918,273 - Snider , et al. April 5, 2 | 2011-04-05 |
| Top drive casing system Grant 7,793,719 - Snider , et al. September 14, 2 | 2010-09-14 |
| Methods and apparatus for handling and drilling with tubulars or casing Grant 7,654,325 - Giroux , et al. February 2, 2 | 2010-02-02 |
| Top Drive Casing System App 20080110637 - Snider; Randy Gene ; et al. | 2008-05-15 |
| Methods And Apparatus For Handling And Drilling With Tubulars Or Casing App 20080059073 - Giroux; Richard L. ; et al. | 2008-03-06 |
| Methods and apparatus for handling and drilling with tubulars or casing Grant 7,325,610 - Giroux , et al. February 5, 2 | 2008-02-05 |
| Tong for wellbore operations Grant 7,028,787 - Allen , et al. April 18, 2 | 2006-04-18 |
| Methods and apparatus for handling and drilling with tubulars or casing App 20050000691 - Giroux, Richard L. ; et al. | 2005-01-06 |
| Tong for wellbore operations App 20040154835 - Allen, John Timothy ; et al. | 2004-08-12 |
| Tong for wellbore operations Grant 6,668,684 - Allen , et al. December 30, 2 | 2003-12-30 |
| Top drive casing system App 20030173073 - Snider, Randy Gene ; et al. | 2003-09-18 |
| Top drive casing system App 20030164276 - Snider, Randy Gene ; et al. | 2003-09-04 |
| Tong for wellbore operations App 20020134555 - Allen, John Timothy ; et al. | 2002-09-26 |
| Wellbore circulation system Grant 6,412,554 - Allen , et al. July 2, 2 | 2002-07-02 |
| Tong Grant 6,330,911 - Allen , et al. December 18, 2 | 2001-12-18 |
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