How many patents does
China Helicopter Research And Development Institute have?
patents
695
families
592
granted
103
applications
592
CN
695
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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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China Helicopter Research And Development Institute
Top ten assignees appearing on patents
China Helicopter Research And Development Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| anti-icing/deicing main blade equal bending moment loading mechanism | 2 | 2014 |
| anti-looseness quick-releasing lock | 2 | 2014 |
| fatigue test device for torque arm assembly | 2 | 2014 |
| device for testing radial rigidity of tail rotor steady bearings | 2 | 2014 |
| phase step exciter | 2 | 2014 |
| intelligent monitoring method for unmanned helicopter | 2 | 2014 |
| helicopter rotor electric brake system | 2 | 2014 |
| undercarriage wheel lock | 2 | 2014 |
| network data packet analyzing and distributing method | 2 | 2015 |
| design method for shape of helicopter tail beam | 2 | 2014 |