How many patents does
Northweat Research Institute Of Mining And Metallurgy Institute have?
patents
185
families
140
granted
47
applications
138
CN
185
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Northweat Research Institute Of Mining And Metallurgy Institute
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Northweat Research Institute Of Mining And Metallurgy Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| kerve-free sublevel filling mining method | 2 | 2014 |
| heat treatment process for shank of rock drill | 2 | 2012 |
| reverse-rotating screw thread machining device and method | 2 | 2014 |
| method for selecting gold from gold ore leaching residue | 2 | 2014 |
| deformed steel bar high-pressure grouting bolt and supporting method for reinforcing roa… 🛈 | 2 | 2013 |
| method for recycling rhenium, arsenic and copper from sulfuric acid wastewater of copper… 🛈 | 2 | 2013 |
| method for extracting beryllium from alexandrite-type beryllium concentrate with low enr… 🛈 | 2 | 2013 |
| blue chalcocite and pyrite beneficiation method and collecting agent used for the same | 2 | 2013 |
| beneficiation method for copper and lead zinc separation by adopting liquid sulfur dioxi… 🛈 | 2 | 2013 |
| method for recovering noble metal from gold and silver converter waste magnesium brick | 2 | 2013 |