How many patents does
Envision Energy have?
patents
520
families
96
granted
141
applications
379
CN
104
US
97
EP
91
WO
34
JP
15
KR
5
RoW
174
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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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Envision Energy
Top ten assignees appearing on patents
Envision Energy
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| wind turbine with sealed off stator chamber | 18 | 2011 |
| flexible shaft wind turbine | 15 | 2010 |
| wind turbine having external gluing flanges near flat back panel | 12 | 2012 |
| partial pitch wind turbine with floating foundation | 11 | 2013 |
| a wind turbine blade | 10 | 2011 |
| pitch lock system | 10 | 2011 |
| two or three wind turbine blades as one unit | 10 | 2013 |
| tower assembly system for wind turbines and method thereof | 10 | 2013 |
| wind turbine with a primary and a secondary generator and method of operating such wind … 🛈 | 10 | 2012 |
| lifting device for rotor assembly and method thereof | 10 | 2014 |