Inventor
Guanhua Ni
Inventor
Qingdao, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling20%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
G01VGeophysics20%
Y02ATechnologies for adaptation to climate change20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019Patents assigned to UNIV SHANDONG SCIENCE & TECH (1)· patent assignee history
2019Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV SHANDONG SCIENCE & TECH | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Qingdao, CN | 1 | 2019 |