Richardson; Allan Stewart
Patent Applications and Registrations
Patent applications and USPTO patent grants for Richardson; Allan Stewart.The latest application filed is for "continuous rotation make/break machine".
- Richardson; Allan Stewart - The Woodlands TX
| Patent | Date |
|---|---|
| Continuous rotation make/break machine Grant 10,794,127 - Richardson October 6, 2 | 2020-10-06 |
| High efficiency drilling and tripping system Grant 10,570,677 - Richardson , et al. Feb | 2020-02-25 |
| Pipe handling apparatus and methods Grant 10,422,192 - Richardson , et al. Sept | 2019-09-24 |
| Continuous Rotation Make/break Machine App 20190024466 - RICHARDSON; Allan Stewart | 2019-01-24 |
| Pipe Handling Apparatus And Methods App 20180266196 - RICHARDSON; Allan Stewart ; et al. | 2018-09-20 |
| Pipe handling apparatus and methods Grant 10,012,038 - Richardson , et al. July 3, 2 | 2018-07-03 |
| High Efficiency Drilling And Tripping System App 20180179833 - RICHARDSON; Allan Stewart ; et al. | 2018-06-28 |
| Portable pipe handling system Grant 9,879,486 - Richardson , et al. January 30, 2 | 2018-01-30 |
| Integrated Casing Drive App 20180016853 - RICHARDSON; Allan Stewart | 2018-01-18 |
| Integrated casing drive Grant 9,803,436 - Richardson October 31, 2 | 2017-10-31 |
| Top drive Grant 9,551,185 - Richardson January 24, 2 | 2017-01-24 |
| Power tong Grant 9,528,332 - Richardson December 27, 2 | 2016-12-27 |
| Top drive with slewing power transmission Grant 9,297,223 - Richardson March 29, 2 | 2016-03-29 |
| Pipe Handling Apparatus And Methods App 20160017674 - RICHARDSON; Allan Stewart ; et al. | 2016-01-21 |
| Portable Pipe Handling System App 20160002988 - RICHARDSON; Allan Stewart ; et al. | 2016-01-07 |
| Portable pipe handling system Grant 9,157,286 - Richardson , et al. October 13, 2 | 2015-10-13 |
| Top Drive App 20150204141 - RICHARDSON; Allan Stewart | 2015-07-23 |
| Top drive Grant 9,017,194 - Richardson April 28, 2 | 2015-04-28 |
| Power tong Grant 8,863,621 - Richardson October 21, 2 | 2014-10-21 |
| Power Tong App 20140283653 - Richardson; Allan Stewart | 2014-09-25 |
| Integrated Casing Drive App 20140131052 - RICHARDSON; ALLAN STEWART | 2014-05-15 |
| Top Drive App 20130090200 - Richardson; Allan Stewart | 2013-04-11 |
| Top Drive With Slewing Power Transmission App 20130055858 - Richardson; Allan Stewart | 2013-03-07 |
| Power Tong App 20120272792 - Richardson; Allan Stewart | 2012-11-01 |
| Power tong Grant 8,109,179 - Richardson February 7, 2 | 2012-02-07 |
| Power tong App 20100199812 - Richardson; Allan Stewart | 2010-08-12 |
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