How many patents does
Chongqing Electric Machine Federation have?
patents
155
families
143
granted
12
applications
143
CN
155
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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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Chongqing Electric Machine Federation
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Chongqing Electric Machine Federation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| surface protection device for transferring of rotors | 2 | 2015 |
| vertical type assembly process of motor | 2 | 2011 |
| overlaying buckling sheet tooling | 2 | 2015 |
| machining technology for split pin | 2 | 2013 |
| high-speed motor bearing sealing device | 2 | 2013 |
| processing technology for annular thin wall element of motor speed test gear | 2 | 2012 |
| large motor stator installation structure and method | 2 | 2014 |
| axial pretensioner of hydroturbine or motor bearing | 2 | 2014 |
| axial locking mechanism of rolling thrust bearing of vertical motor | 2 | 2014 |
| process of machining reamed holes on flange type coupling | 2 | 2012 |