Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718187 | Methods for analyzing and optimizing drilling tool assemblies | Yuelin Shen, Wei Chen, Zhengxin Zhang, Riadh Boualleg, Sujian Huang | 2020-07-21 |
| 10472899 | Cutting tools with rotating elements | Youhe Zhang | 2019-11-12 |
| 10267096 | Drill bit rolling element with retaining ring | Yuri Burhan, Chen Chen, Youhe Zhang | 2019-04-23 |
| 10119341 | Cutter with support liner | Youhe Zhang, Chen Chen, Yuri Burhan | 2018-11-06 |
| 9976356 | Rolling cutter with retaining ring | Yuri Burhan, Chen Chen, Youhe Zhang | 2018-05-22 |
| 9869133 | Method of using spring loaded blocker to retain rolling cutters or mechanical lock cutters | Chen Chen, Yuri Burhan | 2018-01-16 |
| 9739097 | Polycrystalline diamond compact cutters with conic shaped end | Youhe Zhang, Yuelin Shen, Yuri Burhan | 2017-08-22 |
| 9605486 | Rolling cutter with close loop retaining ring | Yuri Burhan, Chen Chen, Youhe Zhang | 2017-03-28 |
| 9482056 | Solid PCD cutter | Ronald K. Eyre, John Daniel Belnap, Youhe Zhang, Yuelin Shen, Yuri Burhan | 2016-11-01 |
| 9464486 | Rolling cutter with bottom support | Youhe Zhang, Chen Chen, Yuri Burhan | 2016-10-11 |
| 9328564 | Cutting elements retained within sleeves | Youhe Zhang, Yuri Burhan, Chen Chen | 2016-05-03 |
| 9284790 | Innovative cutting element and cutting structure using same | Youhe Zhang, Yuri Burhan | 2016-03-15 |
| 8702825 | Composite cutter substrate to mitigate residual stress | Yuelin Shen, Youhe Zhang, Yuri Burhan, Gregory T. Lockwood | 2014-04-22 |