Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428927 | Volumetric compensation for sealing performance under large temperature swing conditions | Xiaoguang Allan Zhong, Michael Linley Fripp | 2025-09-30 |
| 12385339 | Internal slip including one or more symmetrical teeth | Xiaoguang Allan Zhong | 2025-08-12 |
| 12385340 | Reduced backlash sealing/anchoring assembly | Xiaoguang Allan Zhong, Frank Vinicia Acosta Villareal | 2025-08-12 |
| 12326082 | Tracking a wiper dart having a bi-diameter wiper cup in a wellbore using pressure spikes | Lonnie Carl Helms, Gavin Graff, Ricky L. Covington | 2025-06-10 |
| 12305458 | Internal slip design with minimum backlash for packers seal enhancement | Xiaoguang Allan Zhong, Christian Alexander Ramirez, David Joe Steele | 2025-05-20 |
| 12270281 | Wiper dart having a bi-diameter wiper cup with protruding ring | Lonnie Carl Helms, Gavin Graff, Xiaoguang Allan Zhong | 2025-04-08 |
| 12234405 | Packer elements with low thermal expansion | Michael Linley Fripp, Xiaoguang Allan Zhong, Sandeep Thatathil | 2025-02-25 |
| 12203335 | Temperature compensator for improved sealing | Michael Linley Fripp, Xiaoguang Allan Zhong | 2025-01-21 |
| 12031404 | Single slip frac tool | Xiaoguang Allan Zhong, Daniel Keith Moeller | 2024-07-09 |
| 12018545 | Single slip frac tool | Xiaoguang Allan Zhong, Daniel Keith Moeller | 2024-06-25 |