Ji; Wenchang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ji; Wenchang.The latest application filed is for "method of filling a container with no headspace".
- Ji; Wenchang - Oak Park CA
- Ji, Wenchang - Basking Ridge NJ
- Ji, Wenchang - Doylestown PA
- Ji; Wenchang - Chalfont PA
| Patent | Date |
|---|---|
| Method Of Filling A Container With No Headspace App 20220040300 - Ogez; John ; et al. | 2022-02-10 |
| Method of filling a container with no headspace Grant 11,071,782 - Ogez , et al. July 27, 2 | 2021-07-27 |
| Method Of Reducing Immunogenicity Of Drug Products App 20180043020 - Ogez; John ; et al. | 2018-02-15 |
| Method Of Filling A Container With No Headspace App 20170304445 - Ogez; John ; et al. | 2017-10-26 |
| Process and apparatus for enriching ammonia App 20050034479 - Ji, Wenchang ; et al. | 2005-02-17 |
| Helium recovery process App 20020178913 - Ji, Wenchang ; et al. | 2002-12-05 |
| Ozone purification process Grant 6,197,091 - Ji , et al. March 6, 2 | 2001-03-06 |
| Method of processing semiconductor manufacturing exhaust gases Grant 6,017,382 - Ji , et al. January 25, 2 | 2000-01-25 |
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