How many patents does
China North Engine Research Institute have?
patents
366
families
313
granted
53
applications
313
CN
366
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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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China North Engine Research Institute
Top ten assignees appearing on patents
2009 - 2018
2009
2018
China North Engine Research Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| prewhirl quieter capable of effectively broadening flow range of gas compressor | 2 | 2016 |
| diesel engine working medium mixing auxiliary device | 2 | 2014 |
| steering pump test device for engine test bed | 2 | 2016 |
| oil injector sealing gasket of internal combustion engine | 2 | 2015 |
| pipe spherical joint reinforcement sealing structure | 2 | 2014 |
| adjustable speed regulating calibration locating device | 2 | 2014 |
| combined jet oil emulsion enveloping type combustor | 2 | 2014 |
| engine turbocharger deflation valve with altitude compensation | 2 | 2016 |
| variable-section engine body stitching bolt structure and assembling technology thereof | 2 | 2017 |
| stably compressed end surface sealing gasket and spherical joint end surface sealing str… 🛈 | 2 | 2014 |