How many patents does
Weichai Power Company have?
patents
2,269
families
1,828
granted
443
applications
1,826
CN
2,246
US
15
WO
7
RoW
1
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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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Weichai Power Company
Top ten assignees appearing on patents
Weichai Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| oil-gas separator assembly and internal combustion engine | 5 | 2016 |
| device and method for controlling high-pressure common-rail system of diesel engine | 3 | 2011 |
| setting method of internal combustion engine crankshaft vibration damper and vibration d… 🛈 | 3 | 2015 |
| device and method for controlling urea injection system of diesel engine | 3 | 2011 |
| apparatus and method for controlling air system of diesel engine | 3 | 2011 |
| equipment and method for controlling air system of diesel engine | 3 | 2011 |
| control device and method for air system of diesel engine | 3 | 2011 |
| apparatus and method for controlling rail pressure of high-pressure common-rail tube cav… 🛈 | 3 | 2011 |
| self-cleaning method for egr valve | 2 | 2015 |
| method and system for measuring input or output torque of planetary transmission | 2 | 2012 |