How many patents does
Aluminum Corporation Of China have?
patents
1,509
families
1,241
granted
298
applications
1,211
CN
1,465
WO
19
US
4
RoW
21
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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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Aluminum Corporation Of China
Top ten assignees appearing on patents
2009 - 2018
2018
Aluminum Corporation Of China
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| electrolytic cell for producing primary aluminum by using inert anode | 10 | 2009 |
| direct-current shunt preheating start method for inert electrode aluminum electrolysis c… 🛈 | 9 | 2012 |
| a method for producing alumina with middle and low grade bauxite | 6 | 2007 |
| method for improving stability of aluminum electrolytic bath | 4 | 2009 |
| method for reducing horizontal current in molten aluminum of aluminum electrolysis bath | 3 | 2011 |
| method using alkaline process to extract alumina in coal ash | 3 | 2012 |
| preheating starting method for aluminium electrolysis cell | 3 | 2011 |
| method for preparing carbon block of cathode capable of being humidified | 3 | 2006 |
| method for restraining generation of non-anode-effect pfc (perfluocarbon) | 3 | 2011 |
| grooved anode structure corresponding to irregular cathode in aluminum electrolytic cell… 🛈 | 3 | 2009 |