Inventor
Zengguang Zhang
Inventor
Hebei, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Bprimary
B63BShips or other waterborne vessels33%
B63HMarine propulsion or steering33%
C02FTreatment of water, waste water, sewage, or sludge33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to UNIV DALIAN MARITIME (1)· patent assignee history
2007Based in Dalian, CN· patent location history
2021Patents assigned to HONG DAN (1)· patent assignee history
2021Patents assigned to TANGSHAN REMOVABLE ISLAND MARINE HEAVY IND CO LTD (1)· patent assignee history
2021Based in Hebei, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONG DAN | 1 | 2021 |
| TANGSHAN REMOVABLE ISLAND MARINE HEAVY IND CO LTD | 1 | 2021 |
| UNIV DALIAN MARITIME | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hebei, CN | 1 | 2021 |
| Dalian, CN | 1 | 2007 |