Deng; Guijun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Deng; Guijun.The latest application filed is for "segmented backup ring, system and method".
Company Profile
32.35.44
- Deng; Guijun - The Woodlands TX US
- Deng; Guijun - Woodlands TX US
Patent Activity
| Patent | Date |
|---|---|
| Yieldable landing feature Grant 11,408,253 - Deng , et al. August 9, 2 | 2022-08-09 |
| Segmented Backup Ring, System And Method App 20220081991 - Deng; Guijun ; et al. | 2022-03-17 |
| Methods and systems for hanging structures in downhole environments Grant 11,268,355 - Xu , et al. March 8, 2 | 2022-03-08 |
| Packer assembly including an interlock feature Grant 11,142,978 - Deng , et al. October 12, 2 | 2021-10-12 |
| Methods And Systems For Hanging Structures In Downhole Environments App 20210277751 - Xu; Zhiyue ; et al. | 2021-09-09 |
| Drag block for a downhole tool Grant 11,053,750 - Anderson , et al. July 6, 2 | 2021-07-06 |
| Packer Assembly Including An Interlock Feature App 20210180420 - Deng; Guijun ; et al. | 2021-06-17 |
| Multi-layer backup ring Grant 10,907,437 - Deng , et al. February 2, 2 | 2021-02-02 |
| Multi-layer backup ring Grant 10,907,438 - Deng , et al. February 2, 2 | 2021-02-02 |
| Slotted Backup Ring Assembly App 20210010343 - Deng; Guijun ; et al. | 2021-01-14 |
| Electroactive polymer-based downhole seal Grant 10,883,332 - Zhao , et al. January 5, 2 | 2021-01-05 |
| One-way energy retention device, method and system Grant 10,865,617 - Deng , et al. December 15, 2 | 2020-12-15 |
| Drag Block For A Downhole Tool App 20200378196 - Anderson; Gary L. ; et al. | 2020-12-03 |
| Multi-layer packer backup ring with closed extrusion gaps Grant 10,822,912 - Kendall , et al. November 3, 2 | 2020-11-03 |
| Backup App 20200308920 - Deng; Guijun ; et al. | 2020-10-01 |
| Multi-layer Backup Ring App 20200232298 - Deng; Guijun ; et al. | 2020-07-23 |
| Slotted anti-extrusion ring assembly Grant 10,704,355 - Deng , et al. | 2020-07-07 |
| Multi-layer packer backup ring with closed extrusion gaps Grant 10,689,942 - Kendall , et al. | 2020-06-23 |
| Multi-layer backup ring including interlock members Grant 10,677,014 - Deng , et al. | 2020-06-09 |
| Seal backup, seal system and wellbore system Grant 10,526,864 - Deng , et al. J | 2020-01-07 |
| Element Backup App 20190368304 - Deng; Guijun ; et al. | 2019-12-05 |
| Multi-layer Packer Backup Ring With Closed Extrusion Gaps App 20190345791 - Kendall; Alexander M. ; et al. | 2019-11-14 |
| Electroactive Polymer-based Downhole Seal App 20190264529 - Zhao; Lei ; et al. | 2019-08-29 |
| One-way Energy Retention Device, Method And System App 20190249510 - Deng; Guijun ; et al. | 2019-08-15 |
| Multi-layer Backup Ring Including Interlock Members App 20190249511 - Deng; Guijun ; et al. | 2019-08-15 |
| Packer assembly including a support ring Grant 10,370,935 - Kendall , et al. | 2019-08-06 |
| Sealing element backup ring with integrated tab to close extrusion path along a mandrel Grant 10,329,870 - Xu , et al. | 2019-06-25 |
| Structurally supported seal element assembly Grant 10,287,848 - Deng , et al. | 2019-05-14 |
| Axially Articulated and Rotationally Locked Backup Ring Assembly for a Sealing Element App 20190128089 - Guerra; Daniel ; et al. | 2019-05-02 |
| Multi-layer Packer Backup Ring with Closed Extrusion Gaps App 20190078413 - Kendall; Alexander M. ; et al. | 2019-03-14 |
| Expandable sealing assembly and downhole system Grant 10,202,818 - Hern , et al. Feb | 2019-02-12 |
| Seal Backup, Seal System And Wellbore System App 20190040710 - Deng; Guijun ; et al. | 2019-02-07 |
| Packer Assembly Including A Support Ring App 20190017347 - Kendall; Alexander Morrison ; et al. | 2019-01-17 |
| Sealing Element Backup Ring with Integrated Tab to Close Extrusion Path along a Mandrel App 20180320473 - Xu; YingQing ; et al. | 2018-11-08 |
| Multi-layer Packer Backup Ring with Closed Extrusion Gaps App 20180298718 - Cayson; Andrew J. ; et al. | 2018-10-18 |
| Packer Backup Ring with Closed Extrusion Gaps App 20180298716 - Cayson; Andrew J. ; et al. | 2018-10-18 |
| Expandable Sealing Assembly And Downhole System App 20180171742 - Hern; Christopher Ryan ; et al. | 2018-06-21 |
| Structurally Supported Seal Element Assembly App 20180106125 - Deng; Guijun ; et al. | 2018-04-19 |
| High temperature tracers for downhole detection of produced water Grant 9,910,026 - Zhang , et al. March 6, 2 | 2018-03-06 |
| Slotted Backup Ring Assembly App 20180023366 - Deng; Guijun ; et al. | 2018-01-25 |
| Wear-resistant and self-lubricant bore receptacle packoff tool Grant 9,840,887 - Zhao , et al. December 12, 2 | 2017-12-12 |
| Functionally graded articles and methods of manufacture Grant 9,714,709 - Zhao , et al. July 25, 2 | 2017-07-25 |
| Slotted Anti-extrusion Ring Assembly App 20170191340 - Deng; Guijun ; et al. | 2017-07-06 |
| Wear-resistant And Self-lubricant Bore Receptacle Packoff Tool App 20160333657 - Zhao; Lei ; et al. | 2016-11-17 |
| High Temperature Tracers For Downhole Detection Of Produced Water App 20160209391 - Zhang; Zhihui ; et al. | 2016-07-21 |
| Functionally Graded Articles And Methods Of Manufacture App 20160146350 - Zhao; Lei ; et al. | 2016-05-26 |
| Frangible And Disintegrable Tool And Method Of Removing A Tool App 20150191986 - Deng; Guijun ; et al. | 2015-07-09 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 