Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12042868 | Producing catalyst-free PDC cutters | Guodong Zhan, Timothy E. Moellendick, Bodong Li, Chinthaka Pasan Gooneratne, Jianhui Xu | 2024-07-23 |
| 12024470 | Fabrication of downhole drilling tools | Guodong Zhan, Jianhui Xu, Abrar Alshaikh | 2024-07-02 |
| 11866372 | Bn) drilling tools made of wurtzite boron nitride (W-BN) | Guodong Zhan, Timothy E. Moellendick, Bodong Li | 2024-01-09 |
| 7938997 | Preparation of bulk superhard B-C-N nanocomposite compact | Yusheng Zhao | 2011-05-10 |
| 6759128 | Bulk superhard B-C-N nanocomposite compact and method for preparing thereof | Yusheng Zhao | 2004-07-06 |