Hofman; Raymond
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hofman; Raymond.The latest application filed is for "downhole tools, system and method for using".
- Hofman; Raymond - Midland TX
| Patent | Date |
|---|---|
| Downhole Tools, System and Method for Using App 20200157916 - Hofman; Raymond ; et al. | 2020-05-21 |
| Downhole tools, system and methods of using Grant 10,538,991 - Hofman , et al. Ja | 2020-01-21 |
| Downhole Tools, System and Methods of Using App 20180283130 - Hofman; Raymond ; et al. | 2018-10-04 |
| Downhole tools, system and methods of using Grant 9,915,122 - Hofman , et al. March 13, 2 | 2018-03-13 |
| Downhole tool with collapsible or expandable split ring Grant 9,828,833 - Hofman , et al. November 28, 2 | 2017-11-28 |
| Open hole fracing system Grant 9,765,607 - Hofman September 19, 2 | 2017-09-19 |
| Downhole tools with ball trap Grant 9,702,221 - Hofman , et al. July 11, 2 | 2017-07-11 |
| Fracturing system and method Grant 9,664,015 - Hofman , et al. May 30, 2 | 2017-05-30 |
| Downhole tool Grant 9,611,719 - Hofman , et al. April 4, 2 | 2017-04-04 |
| Downhole tools, system and method of using Grant 9,567,832 - Hofman , et al. February 14, 2 | 2017-02-14 |
| Flow bypass device and method Grant 9,500,064 - Hofman , et al. November 22, 2 | 2016-11-22 |
| Downhole tool with expandable seat Grant 9,453,391 - Hofman , et al. September 27, 2 | 2016-09-27 |
| Self-orienting fracturing sleeve and system Grant 9,447,670 - Hofman , et al. September 20, 2 | 2016-09-20 |
| Downhole tools, system and method of using Grant 9,441,440 - Hofman , et al. September 13, 2 | 2016-09-13 |
| Downhole tool Grant 9,133,684 - Hofman , et al. September 15, 2 | 2015-09-15 |
| Downhole system and apparatus incorporating valve assembly with resilient deformable engaging element Grant 9,121,248 - Hofman , et al. September 1, 2 | 2015-09-01 |
| Downhole Tool with Collapsible or Expandable Split Ring App 20150167428 - Hofman; Raymond ; et al. | 2015-06-18 |
| Downhole Tools, System and Methods of Using App 20150129205 - Hofman; Raymond ; et al. | 2015-05-14 |
| Open Hole Fracing System App 20150107837 - Hofman; Raymond | 2015-04-23 |
| Hydraulically-Actuated Explosive Downhole Tool App 20150107819 - Hofman; Raymond ; et al. | 2015-04-23 |
| Downhole Tool with Expandable Seat App 20150068757 - Hofman; Raymond ; et al. | 2015-03-12 |
| Flow Bypass Device and Method App 20150068752 - Hofman; Raymond ; et al. | 2015-03-12 |
| Downhole Tools With Ball Trap App 20140318816 - Hofman; Raymond ; et al. | 2014-10-30 |
| Downhole Tools, System and Method of Using App 20140251636 - Hofman; Raymond ; et al. | 2014-09-11 |
| Fracturing System and Method App 20140246207 - Hofman; Raymond ; et al. | 2014-09-04 |
| Flow bypass device and method App 20140158368 - Hofman; Raymond ; et al. | 2014-06-12 |
| Downhole Tools, System and Method of Using App 20140116721 - Hofman; Raymond ; et al. | 2014-05-01 |
| Downhole Tool App 20140076578 - Hofman; Raymond ; et al. | 2014-03-20 |
| Downhole Tool Incorporating Flapper Assembly App 20140069654 - Hofman; Raymond ; et al. | 2014-03-13 |
| Fracturing System and Method App 20140034294 - Hofman; Raymond ; et al. | 2014-02-06 |
| Fracturing system and method Grant 8,540,019 - Hofman , et al. September 24, 2 | 2013-09-24 |
| Downhole tool with expandable seat Grant 8,479,822 - Hofman , et al. July 9, 2 | 2013-07-09 |
| Downhole System and Apparatus Incorporating Valve Assembly with Resilient Deformable Engaging Element App 20130068474 - Hofman; Raymond ; et al. | 2013-03-21 |
| Multistage Production System Incorporating Valve Assembly With Collapsible or Expandable C-Ring App 20130068475 - Hofman; Raymond ; et al. | 2013-03-21 |
| Differential shifting tool and method of shifting Grant 8,371,389 - Hofman , et al. February 12, 2 | 2013-02-12 |
| Downhole Tool App 20120279723 - Hofman; Raymond ; et al. | 2012-11-08 |
| Assembly for Actuating a Downhole Tool App 20120261131 - Hofman; Raymond ; et al. | 2012-10-18 |
| Self-Orienting Fracturing Sleeve and System App 20120152523 - Hofman; Raymond ; et al. | 2012-06-21 |
| Fracturing System and Method App 20120097397 - Hofman; Raymond ; et al. | 2012-04-26 |
| Differential Shifting Tool and Method of Shifting App 20110226489 - Hofman; Raymond ; et al. | 2011-09-22 |
| Multistage Production System and Method App 20110203807 - Hofman; Raymond | 2011-08-25 |
| Open Hole Fracing System App 20110203799 - Hofman; Raymond | 2011-08-25 |
| Downhole Tool With Expandable Seat App 20110192607 - Hofman; Raymond ; et al. | 2011-08-11 |
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