Inventor
Jiafu Yan
Inventor
Hubei, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables50%
E21BEarth or rock drilling50%
PatentTitleYear
10,329,858Coiled tubing unit2019Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019Patents assigned to JIANGHAN MACHINERY RES INSTITUTE LIMITED COMP (1)· patent assignee history
2019Patents assigned to JIANGHAN MACHINERY RES INSTITUTE LIMITED COMPANY OF CNPC (1)· patent assignee history
2019Based in Hubei, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JIANGHAN MACHINERY RES INSTITUTE LIMITED COMP | 1 | 2019 |
| JIANGHAN MACHINERY RES INSTITUTE LIMITED COMPANY OF CNPC | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hubei, CN | 1 | 2019 |