How many patents does
China Xd Electric Company have?
patents
1,671
families
1,422
granted
234
applications
1,437
CN
1,644
WO
8
US
3
RoW
16
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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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patent families
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China Xd Electric Company
Top ten assignees appearing on patents
2009 - 2018
2018
| china xd electric company | 2 |
China Xd Electric Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| clutch device of gear transmission system of circuit breaker spring operating mechanism | 8 | 2012 |
| self-energy arc extinguishing chamber for increasing thermal expansion effect | 6 | 2015 |
| internal video monitoring system and method for gis device | 6 | 2014 |
| method and system for seamless switching of micro-grid system | 6 | 2013 |
| arc extinguish chamber with high current-carrying capability for high-voltage switch equ… 🛈 | 5 | 2010 |
| high-power switch with current limiter | 4 | 2014 |
| electric operation mechanism for switchgear | 4 | 2009 |
| method for calculating transient recovery voltage (trv) waveform parameter | 2 | 2014 |
| general bracket of large cover plate type drilling tool | 2 | 2010 |
| transformer coil drying and oil spraying device and process | 2 | 2010 |