How many patents does
Dongfeng Automobile Company have?
patents
962
families
924
granted
40
applications
922
CN
962
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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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Dongfeng Automobile Company
Top ten assignees appearing on patents
2009 - 2018
2009
| dongfeng automobile company | 20 |
2018
Dongfeng Automobile Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for verifying volume of storage battery used for starting automobile | 2 | 2013 |
| explosion-proof coating for mining light metal machinery and spraying process of same | 2 | 2011 |
| milling technology with obstructed sealing surface | 2 | 2009 |
| longitudinal beam variable pitch adjusting device of automobile carriage welding fixture | 2 | 2013 |
| cover plate and method for preventing abnormal nodularizing of spheroidal graphite cast … 🛈 | 2 | 2012 |
| engine cylinder body sand core combination structure | 2 | 2012 |
| fuel injector sealing ring reliability testing device and method | 2 | 2015 |
| high-voltage electrifying and discharging control system and high-voltage electrifying a… 🛈 | 2 | 2015 |
| hook mechanism for automatic vehicle connecting device | 2 | 2015 |
| device and method for enabling air valve hood cover to be coupled with oil sprayer | 2 | 2015 |