How many patents does
Yunnan Chihong Zinc & Germanium Company have?
patents
253
families
190
granted
67
applications
186
CN
253
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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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Yunnan Chihong Zinc & Germanium Company
Top ten assignees appearing on patents
2009 - 2018
2018
Yunnan Chihong Zinc & Germanium Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| device for staged preparation for tannic acid germanium precipitation agent | 2 | 2016 |
| method and device for removing magnesium ions in zinc sulfate solution by virtue of pres… 🛈 | 2 | 2015 |
| method for disposing silver electrolyzed residual electrodes | 2 | 2014 |
| method for recycling silver from silver-containing material via lead chloride slag | 2 | 2014 |
| fire recycling process for bismuth from bismuth residue with sulfate property | 2 | 2014 |
| analyzing method for quickly and precisely measuring tellurium in tellurium smelting pro… 🛈 | 2 | 2014 |
| composite fuming furnace tuyere water jacket | 2 | 2014 |
| method for stepwise removing tannic acid in zinc sulphate solution | 2 | 2015 |
| method and device for jointly removing organic matters and magnesium ions in zinc sulfat… 🛈 | 2 | 2015 |
| method and device for removing organic matters in zinc sulphate solution by pressurizing… 🛈 | 2 | 2015 |