Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365826 | HTHP corrosion resistant composite seal via recrystallization of reactive composite: formulation and deployment | Lei Zhao, Timothy DUNNE, Peng Cheng | 2025-07-22 |
| 12252645 | Formulation and setup method of in-situ dissolvable plug | Lei Zhao, Jianpeng Yue, Peng Cheng | 2025-03-18 |
| 12202932 | Formulation and processing of degradable high Tg epoxy composite that can be degradable at extremely low temperature | Lei Zhao, Cheng-An Peng, YU-LIN LIU | 2025-01-21 |
| 12087931 | Hybrid battery system with multiple discharge voltage plateaus and greater charge capacity of metal in the negative electrode | Wu Bi, Xiongwen Yang, Peng Cheng | 2024-09-10 |
| 12049557 | Bi-continuos epoxy microstructure for fabrication of degradable thermoset composite used in HTHP downhole conditions | Lei Zhao, Peng Cheng, Huailiang Liu | 2024-07-30 |
| 12024575 | Co-cured fluoroelastomers with improved chemical resistance | Peixiang Xing, Peng Cheng, YU-LIN LIU, Yonghong Wang | 2024-07-02 |
| 11952531 | Compound grease coating for controlled dissolution of a dissolvable component of a downhole tool | Lei Zhao, Tim Dunne, Peng Cheng, Huailiang Liu | 2024-04-09 |
| 11905799 | Hybrid battery pack system | Wu Bi, Xu Wang, Peng Cheng | 2024-02-20 |
| 11827780 | Modified polyglycolic acid and molded articles for degradable downhole tools application | Peixiang Xing, Peng Cheng, YU-LIN LIU | 2023-11-28 |
| 11794290 | Method for forming cutters | Chris Cheng | 2023-10-24 |
| 11702891 | Force modulation system with an elastic force member for downhole conditions | Lei Zhao, Ming Zhang, Chris Cheng, Chengxi Li | 2023-07-18 |
| 11662492 | Seismic random noise attenuation | Saleh A. Dossary | 2023-05-30 |
| 11566090 | Co-cured fluoroelastomers with improved chemical resistance | Peixiang Xing, Peng Cheng, YU-LIN LIU, Yonghong Wang | 2023-01-31 |
| 11566097 | Degradable polymer composition for use in downhole tools and method of manufacturing | Peng Cheng, Xu Wang | 2023-01-31 |
| 10351686 | Methods of forming modified thermoplastic structures for down-hole applications | Michal Benes | 2019-07-16 |
| 9260568 | Method of curing thermoplastic polymer for shape memory material | David P. Gerrard, James Edward Goodson, Ping Duan, Lillian Guo | 2016-02-16 |
| 9144925 | Shape memory polyphenylene sulfide manufacturing, process, and composition | David P. Gerrard, James Edward Goodson, Ping Duan, Gaurav Agrawal | 2015-09-29 |
| 9120898 | Method of curing thermoplastic polymer for shape memory material | David P. Gerrard, James Edward Goodson, Ping Duan, Lillian Guo | 2015-09-01 |
| 9051819 | Method and apparatus for selectively controlling fluid flow | Anil K. Sadana, Ping Duan, David P. Gerrard | 2015-06-09 |
| 8962096 | Method for preparing a high temperature polymer coating | David P. Gerrard | 2015-02-24 |
| 8939222 | Shaped memory polyphenylene sulfide (PPS) for downhole packer applications | David P. Gerrard, James Edward Goodson, Li Guo, Ping Duan | 2015-01-27 |
| 8876944 | Downhole fluid separation system and method | David P. Gerrard, John C. Welch, James Edward Goodson | 2014-11-04 |
| 8604157 | Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereof | David P. Gerrard, Ping Duan | 2013-12-10 |
| 7481952 | Electrically conductive PTFE tape | Bernd Schulte-Ladbeck | 2009-01-27 |
| 7035737 | Method for seismic wavefield extrapolation | — | 2006-04-25 |