Inventor
Wei Dang
Inventor
Beijing, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation50%
E21BEarth or rock drilling50%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to CHINA PETROLEUM & CHEM CORP (2)· patent assignee history
2018–2020Patents assigned to SINOPEC EXPLORATION & PROD RES INST (2)· patent assignee history
2018Patents assigned to SINOPEC EXPLORATION & PRODUCTION RES INST (1)· patent assignee history
2018–2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA PETROLEUM & CHEM CORP | 2 | 2018–2020 |
| SINOPEC EXPLORATION & PROD RES INST | 2 | 2018–2020 |
| SINOPEC EXPLORATION & PRODUCTION RES INST | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 2 | 2018–2020 |