Purkis; Daniel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Purkis; Daniel.The latest application filed is for "choke".
- Purkis; Daniel - Cruden Bay GB
- Purkis; Daniel - Peterhead GB
- Purkis; Daniel - Aberdeenshire GB
- PURKIS; Daniel - Aberdeen GB
- Purkis; Daniel - Ellon N/A GB
| Patent | Date |
|---|---|
| Telemetry operated tools for cementing a liner string Grant 10,808,508 - Giroux , et al. October 20, 2 | 2020-10-20 |
| Choke Grant 10,724,333 - Purkis | 2020-07-28 |
| Choke App 20190353004 - PURKIS; Daniel | 2019-11-21 |
| Choke Grant 10,428,621 - Purkis October 1, 2 | 2019-10-01 |
| Antenna for use in a downhole tubular Grant 10,262,168 - Purkis , et al. | 2019-04-16 |
| Telemetry Operated Tools For Cementing A Liner String App 20190032456 - GIROUX; Richard Lee ; et al. | 2019-01-31 |
| Wellbore Devices And Methods App 20190010803 - PURKIS; Daniel | 2019-01-10 |
| Telemetry operated tools for cementing a liner string Grant 10,087,725 - Giroux , et al. October 2, 2 | 2018-10-02 |
| Apparatus and method for downhole communication Grant 9,488,046 - Purkis November 8, 2 | 2016-11-08 |
| Method of and apparatus for completing a well Grant 9,359,890 - Purkis June 7, 2 | 2016-06-07 |
| Choke App 20160123112 - Purkis; Daniel | 2016-05-05 |
| Method Of And Apparatus For Completing A Well App 20150285063 - Purkis; Daniel | 2015-10-08 |
| Remote actuation of a downhole tool Grant 9,115,573 - Purkis , et al. August 25, 2 | 2015-08-25 |
| Switching device for, and a method of switching, a downhole tool Grant 9,103,197 - Purkis August 11, 2 | 2015-08-11 |
| Method of and apparatus for completing a well Grant 9,085,954 - Purkis July 21, 2 | 2015-07-21 |
| Running adapter Grant 8,973,666 - Purkis March 10, 2 | 2015-03-10 |
| Control system Grant 8,950,503 - Purkis February 10, 2 | 2015-02-10 |
| Crossover Tool For Reverse Cementing A Liner String App 20140305662 - GIROUX; Richard Lee ; et al. | 2014-10-16 |
| Antenna for Use in a Downhole Tubular App 20140306853 - Purkis; Daniel ; et al. | 2014-10-16 |
| Tree plug Grant 8,839,872 - Purkis September 23, 2 | 2014-09-23 |
| Method of and apparatus for completing a well Grant 8,833,469 - Purkis September 16, 2 | 2014-09-16 |
| Method Of And Apparatus For Completing A Well App 20140034291 - Purkis; Daniel | 2014-02-06 |
| Plug Grant 8,490,691 - Purkis July 23, 2 | 2013-07-23 |
| Apparatus And Method For Downhole Communication App 20120146806 - Purkis; Daniel | 2012-06-14 |
| Bi-directional flapper valve Grant 8,191,570 - Purkis June 5, 2 | 2012-06-05 |
| Control System App 20110290504 - Purkis; Daniel | 2011-12-01 |
| Running Adapter App 20110277986 - PURKIS; DANIEL | 2011-11-17 |
| Switching Device For, And A Method Of Switching, A Downhole Tool App 20110248566 - Purkis; Daniel | 2011-10-13 |
| Apparatus for controlling a downhole device Grant 7,975,767 - Purkis July 12, 2 | 2011-07-12 |
| Wellhead assembly and method Grant 7,798,208 - Purkis September 21, 2 | 2010-09-21 |
| Method And Device App 20100200243 - Purkis; Daniel | 2010-08-12 |
| Method Of And Apparatus For Completing A Well App 20100200244 - Purkis; Daniel | 2010-08-12 |
| Tree Plug App 20100170681 - Purkis; Daniel | 2010-07-08 |
| Bi-Directional Flapper Valve App 20090230340 - Purkis; Daniel | 2009-09-17 |
| Plug App 20090114401 - Purkis; Daniel | 2009-05-07 |
| Apparatus for controlling a downhole device App 20090065214 - Purkis; Daniel | 2009-03-12 |
| Remote actuation of downhole tools using fluid pressure from surface App 20090044937 - Purkis; Daniel | 2009-02-19 |
| Wellhead Assembly and Method App 20080245534 - Purkis; Daniel | 2008-10-09 |
| Apparatus and Method App 20080128168 - Purkis; Daniel ; et al. | 2008-06-05 |
| Remote Actuation of a Downhole Tool App 20070285275 - Purkis; Daniel ; et al. | 2007-12-13 |
| Downhole tractor Grant 6,273,189 - Gissler , et al. August 14, 2 | 2001-08-14 |
| Digital-hydraulic well control system Grant 6,179,052 - Purkis , et al. January 30, 2 | 2001-01-30 |
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