PING AN COAL MINING ENGINEERING TEC
1Patents
1Active
1Granted
52Portfolio score
Filing activity: Apr 12, 2024 → Apr 12, 2024
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US12044531B1 | Level instrument and method for surveying mining subsidence zone in coal mining area | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.