Ou; Zhi Gang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ou; Zhi Gang.The latest application filed is for "self-tightening rotor".
- Ou; Zhi Gang - Shenzhen CN
- Ou; Zhi Gang - Shenzhen City CN
| Patent | Date |
|---|---|
| Self-tightening rotor Grant 11,267,565 - Wang , et al. March 8, 2 | 2022-03-08 |
| Self-tightening Rotor App 20200377203 - WANG; Tao ; et al. | 2020-12-03 |
| Self-tightening rotor Grant 10,745,119 - Wang , et al. A | 2020-08-18 |
| Self-tightening Rotor App 20190176978 - Wang; Tao ; et al. | 2019-06-13 |
| Self-tightening rotor Grant 10,196,138 - Wang , et al. Fe | 2019-02-05 |
| Self-tightening rotor Grant 10,160,538 - Wang , et al. Dec | 2018-12-25 |
| Self-tightening Rotor App 20180327087 - Wang; Tao ; et al. | 2018-11-15 |
| Self-tightening Rotor App 20170217578 - Wang; Tao ; et al. | 2017-08-03 |
| Self-tightening rotor Grant 9,630,703 - Wang , et al. April 25, 2 | 2017-04-25 |
| Self-tightening Rotor App 20160200418 - Wang; Tao ; et al. | 2016-07-14 |
| Self-tightening rotor Grant 9,284,040 - Wang , et al. March 15, 2 | 2016-03-15 |
| Self-tightening Rotor App 20160016654 - Wang; Tao ; et al. | 2016-01-21 |
| Self-tightening rotor Grant 9,057,273 - Wang , et al. June 16, 2 | 2015-06-16 |
| Self-tightening Rotor App 20140356174 - WANG; TAO ; et al. | 2014-12-04 |
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