Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329864 | Cosmetic treatment | Yu-Chia Tseng | 2025-06-17 |
| 12053553 | Surgical thread, cosmetic treatment and manufacturing method thereof | Yu-Chia Tseng | 2024-08-06 |
| 11873701 | Enhanced scale inhibitor squeeze treatment using a chemical additive | Tawfik Al-Ghamdi, Zhiwei Yue, Thomas Hagen, Mohamed Hamam, Hicham El Hajj | 2024-01-16 |
| 11584878 | Acid precursors for enhanced inhibitor placement in scale squeeze treatments | Zhiwei Yue, Hui Zhou | 2023-02-21 |
| 11560774 | Enhanced scale inhibitor squeeze treatment using a chemical additive | Tawfik Al-Ghamdi, Zhiwei Yue, Thomas Hagen, Mohamed Hamam, Hicham El Hajj | 2023-01-24 |
| 10858574 | Method of increasing scale inhibitor retention | Harry Montgomerie, Stephen Mark Heath, Olav Vikane, Bjorn Juliussen, Thomas Hagen | 2020-12-08 |
| 10072203 | Method of increasing scale inhibitor retention | Harry Montgomerie, Stephen Mark Heath, Olav Vikane, Bjorn Juliussen, Thomas Hagen | 2018-09-11 |
| 8881815 | Well treatment | Hans Kristian Kotlar | 2014-11-11 |
| 8653008 | Well treatment | Olav Martin Selle, Amare Mebratu, Harry Montgomerie, Thomas Hagen | 2014-02-18 |
| 8586511 | Scale inhibiting well treatment | Xing Yan, Thomas Hagen, Harry Montgomerie | 2013-11-19 |
| 8343897 | Scale inhibiting well treatment | Harry Montgomerie, Thomas Hagen, Liehua Zheng | 2013-01-01 |
| 8101554 | Well treatment comprising a polymer formed from a diallyl ammonium salt and a scale inhibitor | Harry Montgomerie, Thomas Hagen, Rex Wat, Olav Martin Selle | 2012-01-24 |