SOUTHWEST PETROLEUM UNIVERSITY CHENGDU WEIYI PETROLEUM TECHNOLOGY CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for SOUTHWEST PETROLEUM UNIVERSITY CHENGDU WEIYI PETROLEUM TECHNOLOGY CO., LTD..The latest application filed is for "rotating cutter single cone bit".
- SOUTHWEST PETROLEUM UNIVERSITY CHENGDU WEIYI PETROLEUM TECHNOLOGY CO., LTD. - Chengdu, Sichuan Chengdu, Sichuan CN CN
| Patent | Date |
|---|---|
| Rotating Cutter Single Cone Bit App 20200217141 - CHEN; Lian ; et al. | 2020-07-09 |
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