Chauffe; Stephen J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chauffe; Stephen J..The latest application filed is for "refrac liner with isolation collar".
- Chauffe; Stephen J. - The Woodlands TX
| Patent | Date |
|---|---|
| Refrac Liner With Isolation Collar App 20200370398 - Kellner; Justin ; et al. | 2020-11-26 |
| Float sub with pressure-frangible plug Grant 10,683,728 - Kellner , et al. | 2020-06-16 |
| Downhole tool with an expandable sleeve Grant 10,408,012 - Martin , et al. Sept | 2019-09-10 |
| Method and apparatus for downhole tool actuation Grant 10,184,308 - Chauffe , et al. Ja | 2019-01-22 |
| Float Sub With Pressure-frangible Plug App 20180371869 - Kellner; Justin ; et al. | 2018-12-27 |
| Downhole tool with an expandable sleeve Grant 10,156,119 - Martin , et al. Dec | 2018-12-18 |
| Downhole Tool With An Expandable Sleeve App 20180266205 - Martin; Carl ; et al. | 2018-09-20 |
| Downhole tool with an expandable sleeve Grant 9,976,381 - Martin , et al. May 22, 2 | 2018-05-22 |
| Multi-actuating plugging device Grant 9,909,384 - Chauffe , et al. March 6, 2 | 2018-03-06 |
| Downhole Tool With An Expandable Sleeve App 20180030807 - Martin; Carl ; et al. | 2018-02-01 |
| Methods of operating well bore stimulation valves Grant 9,670,750 - Chauffe June 6, 2 | 2017-06-06 |
| Downhole Tool With A Dissolvable Component App 20170067328 - Chauffe; Stephen J. ; et al. | 2017-03-09 |
| Downhole Tool With An Expandable Sleeve App 20170022781 - Martin; Carl ; et al. | 2017-01-26 |
| Method And Apparatus For Downhole Tool Actuation App 20160340993 - Chauffe; Stephen J. ; et al. | 2016-11-24 |
| Multi-actuating Plugging Device App 20150218904 - Chauffe; Stephen J. ; et al. | 2015-08-06 |
| Swellable packer with internal backup ring Grant 9,016,391 - Chauffe April 28, 2 | 2015-04-28 |
| Multi-actuating seat and drop element Grant 9,004,179 - Chauffe April 14, 2 | 2015-04-14 |
| Methods of Operating Well Bore Stimulation Valves App 20150041133 - Chauffe; Stephen J. | 2015-02-12 |
| Multi-actuating Seat And Drop Element App 20130118732 - Chauffe; Stephen J. ; et al. | 2013-05-16 |
| Downhole swellable sealing system and method Grant 8,157,019 - King , et al. April 17, 2 | 2012-04-17 |
| Downhole Swellable Sealing System And Method App 20100243276 - King; James G. ; et al. | 2010-09-30 |
| Reservoir Tool for Packer Setting App 20090218107 - Chauffe; Stephen J. | 2009-09-03 |
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