Cheng; Jiajia
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Jiajia.The latest application filed is for "sealing structure".
- Cheng; Jiajia - Foshan Guangdong
- CHENG; Jiajia - Shanghai CN
| Patent | Date |
|---|---|
| Sealing Structure App 20220307636 - Diao; Zhenbin ; et al. | 2022-09-29 |
| Early Warning Protection System Based On Beidou Position Automatic Sensing App 20220242464 - NA; Jiqing ; et al. | 2022-08-04 |
| Pipe fitting joint assembly Grant 11,346,479 - Lin , et al. May 31, 2 | 2022-05-31 |
| Connecting Joint App 20220057036 - Cao; Huijian ; et al. | 2022-02-24 |
| Pipe Fitting Connecting Method And Connecting Structure App 20200158274 - Cao; Huijian ; et al. | 2020-05-21 |
| Pipe Fitting Joint Assembly App 20200096145 - Lin; Xiyong ; et al. | 2020-03-26 |
| Process for producing aldehydes or ketones by oxidizing alcohols with oxygen Grant 8,748,669 - Ma , et al. June 10, 2 | 2014-06-10 |
| Process For Producing Aldehydes Or Ketones By Oxidizing Alcohols With Oxygen App 20120220792 - Ma; Shengming ; et al. | 2012-08-30 |
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