Du, Di
USPTO Trademark & Patent Filings
Trademark applications and grants for Du, Di. Du, Di has 9 trademark applications. The latest application filed is for "ONETWOMONET"
- Company Aliases
- Di Du
- Du, Di
- di du
- Du; Di - Houston TX
- Du; Di - Liaoning CN
| Entity Type | INDIVIDUAL |
| Address | Rm. 304,Bldg A8,Ningguanyuan,Wenguan Rd. Huandong,Fengxiang St.,Chenghai Dist. Shantou City,Guangdong CHINA 515000 |
Trademarks Patents
| Patent Application | Date |
|---|---|
| Drilling Fluid Contamination Determination For Downhole Fluid Sampling Tool 20200240264 - He; Tian ; et al. | 2020-07-30 |
| Sea Tunnel 20200095746 - 16/574957 Du; Di | 2020-03-26 |
| Drilling Fluid Contamination Determination for Downhole fluid Sampling Tool 20190100995 - 15/546972 He; Tian ; et al. | 2019-04-04 |
| Fluid Characterization and Phase Envelope Prediction from Downhole Fluid Sampling Tool 20190017377 - 15/546531 He; Tian ; et al. | 2019-01-17 |
| Drilling fluid contamination determination for downhole fluid sampling tool 11,156,083 - 16/829,160 He , et al. October 26, 2 | 2021-10-26 |
| Underwater traffic tunnel 11,136,740 - 17/079,673 Du October 5, 2 | 2021-10-05 |
| Underwater traffic tunnel 11,136,740 - 17/079,673 Du October 5, 2 | 2021-10-05 |
| Underwater traffic tunnel 11,136,740 - 17/079,673 Du October 5, 2 | 2021-10-05 |
| Sea tunnel 10,889,956 - 16/574,957 Du January 12, 2 | 2021-01-12 |
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