Wei; Zimin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wei; Zimin.The latest application filed is for "vertical gas distribution device for aerobic compost and gas distribution method".
- Wei; Zimin - Harbin CN
| Patent | Date |
|---|---|
| Vertical gas distribution device for aerobic compost and gas distribution method Grant 11,254,621 - Wei , et al. February 22, 2 | 2022-02-22 |
| Device and method for remedying heavy-metal-polluted soil with microorganism Grant 11,207,719 - Wei , et al. December 28, 2 | 2021-12-28 |
| Vertical Gas Distribution Device For Aerobic Compost And Gas Distribution Method App 20190023625 - Wei; Zimin ; et al. | 2019-01-24 |
| Device And Method For Remedying Heavy-metal-polluted Soil With Microorganism App 20180229282 - Wei; Zimin ; et al. | 2018-08-16 |
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