Inventor

Zengguang Zhang

Inventor
Hebei, CN

Overview

2→
Patents
2007–2021
Patent span
Performing operations
Primary field (CPC B)

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
AssigneePatentsSpan
HONG DAN12021
TANGSHAN REMOVABLE ISLAND MARINE HEAVY IND CO LTD12021
UNIV DALIAN MARITIME12007
Locations
LocationPatentsSpan
Hebei, CN12021
Dalian, CN12007