Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932519 | Method of making particles having a ridge portion for use as proppant | Jiangshui Huang, Bernhard Lungwitz | 2018-04-03 |
| 9896618 | Method of making rod-shaped particles for use as proppant and anti-flowback additive | Jiangshui Huang, Bernhard Lungwitz | 2018-02-20 |