How many patents does
Changchun Institute Of Technology have?
patents
384
families
343
granted
42
applications
342
CN
384
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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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Changchun Institute Of Technology
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Changchun Institute Of Technology
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| hydraulic steel gate anti-collision structure | 2 | 2015 |
| ventilation device with oily fume purification, air change and heat exchange functions f… 🛈 | 2 | 2015 |
| multi-user communication method based on geographic position and spatial range | 2 | 2015 |
| high-voltage wire insulator defect detection method and high-voltage wire insulator defe… 🛈 | 2 | 2014 |
| cutting method of corrugated pipe and corrugated pipe cutting machine | 2 | 2015 |
| method for measuring inductance parameter of permanent magnet synchronous motor | 2 | 2014 |
| heat accumulation type solar, electric and coal firing heat combined heating source syst… 🛈 | 2 | 2014 |
| instrument for determining freezing-pulling force of pile | 2 | 2011 |
| plate end water stop for composite wall plate | 2 | 2011 |
| three-dimensional adjustable and temporary fixing device for prefabricated wall board | 2 | 2015 |