Inventor
Zhi Xia Fan
Inventor
Tianjin, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Bprimary
B63BShips or other waterborne vessels50%
E02BHydraulic engineering50%
PatentTitleYear
8,181,588'Automatic reversing-reposition rocker arm'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012Patents assigned to CHINA NAT OFFSHORE OIL CORP (1)· patent assignee history
2012Patents assigned to CHINA OFFSHORE OIL ENGINEERING CO LTD (1)· patent assignee history
2012Patents assigned to FAN ZHI XIA (1)· patent assignee history
2012Patents assigned to GENG TAO (1)· patent assignee history
2012Patents assigned to LI HUAI LIANG (1)· patent assignee history
2012Based in Tianjin, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA NAT OFFSHORE OIL CORP | 1 | 2012 |
| CHINA OFFSHORE OIL ENGINEERING CO LTD | 1 | 2012 |
| FAN ZHI XIAself | 1 | 2012 |
| GENG TAO | 1 | 2012 |
| LI HUAI LIANG | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tianjin, CN | 1 | 2012 |