Inventor
Wensheng XIAO
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling80%
E02DFoundations20%
PatentTitleYear
11,781,385Subsea coiled tubing drilling system and subsea drilling device thereof202311,624,238Deepwater subsea coiled tubing drilling rig202311,428,048Drilling system and method of submarine drilling rig202211,299,935Electric drilling tool suitable for ocean underwater drilling rig2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (3)· patent assignee history
2022Patents assigned to UNIV CHINA PETROLEUM (1)· patent assignee history
2022–2023Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA PETROLEUM EAST CHINA | 3 | 2022–2023 |
| UNIV CHINA PETROLEUM | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2022–2023 |