How many patents does
Changchun Gold Research Institute have?
patents
729
families
673
granted
53
applications
676
CN
722
WO
6
RoW
1
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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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Changchun Gold Research Institute
Top ten assignees appearing on patents
2018
Changchun Gold Research Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| recycling and harmless treatment method for cyaniding tailing slurry | 4 | 2010 |
| harmless comprehensive treatment method for cyanide-containing tailing pulp | 3 | 2013 |
| method for processing waste water containing cyanide, thiocyanogen and heavy metal | 3 | 2013 |
| separation method of zinc cyanide complex ions | 2 | 2015 |
| gold tailing pond in-situ repairing method | 2 | 2015 |
| in-situ remediation treating method for gold tailing pond | 2 | 2015 |
| method for recycling gold in gold-carrying carbon powder | 2 | 2016 |
| method for recycling valuable elements in acidic biological oxidation solution containin… 🛈 | 2 | 2016 |
| pretreatment method of activated carbon for gold production | 2 | 2016 |
| non-ferrous metal mine acid wastewater treatment method | 2 | 2015 |