How many patents does
Harbin Dongan Autoengine Company have?
patents
235
families
230
granted
5
applications
230
CN
235
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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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Harbin Dongan Autoengine Company
Top ten assignees appearing on patents
2009 - 2018
| harbin dongan autoengine company | 232 |
| ge jianguo | 2 |
| harbin dongan auto power company | 1 |
2009
2018
Harbin Dongan Autoengine Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| novel hot and cold impact test method for automobile engine | 2 | 2015 |
| evaluation testing system for shift quality of automobile | 2 | 2010 |
| generator with multiple protection functions | 2 | 2015 |
| testing device for fatigue life test of automobile transmission shifting fork | 2 | 2010 |
| furnace lining repairing technology | 2 | 2010 |
| energy saving and emission reducing device for small-displacement rear-drive engine | 1 | 2011 |
| cam shaft of light weight anti-wear structure | 1 | 2011 |
| novel mechanical type transmission | 1 | 2011 |
| device and method of producing ductile iron casting of camshaft | 1 | 2012 |
| gear carburization thermal treatment tool | 1 | 2012 |