Zhang; Chengguo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhang; Chengguo.The latest application filed is for "bubble generating system and method for wastewater treatment".
- Zhang; Chengguo - Shanghai CN
- Zhang; Chengguo - Nanjing CN
| Patent | Date |
|---|---|
| Cat scratching sofa guard Grant D958,642 - Zhang July 26, 2 | 2022-07-26 |
| Pet carrying bag Grant D955,663 - Zhang June 21, 2 | 2022-06-21 |
| Pet carrying bag Grant D948,805 - Zhang April 12, 2 | 2022-04-12 |
| Pet carrying bag Grant D917,874 - Zhang May 4, 2 | 2021-05-04 |
| Dynamic evaluation of executable files in a lightweight executor Grant 10,754,951 - Tang , et al. A | 2020-08-25 |
| Bubble Generating System And Method For Wastewater Treatment App 20140042088 - Yoshida; Norifumi ; et al. | 2014-02-13 |
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