How many patents does
Beijing Power Machinery Institute have?
patents
147
families
102
granted
46
applications
101
CN
147
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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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Beijing Power Machinery Institute
Top ten assignees appearing on patents
Beijing Power Machinery Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for controlling brushless direct current motor | 2 | 2013 |
| engine collaborative design integrated application system | 2 | 2014 |
| ramjet random vibration test fault diagnosis method | 2 | 2014 |
| revolving speed adjustment method and system of electric pump | 2 | 2014 |
| signal scanning and measuring device | 2 | 2014 |
| scramjet engine combustion chamber performance pre-evaluation method | 2 | 2014 |
| 1-ethyl-4-alkylpiperazine ionic liquid and preparation method and application thereof | 2 | 2013 |
| 1, 4-dimethyl-1-alkyl piperazine ionic liquid as well as preparation method and applicat… 🛈 | 2 | 2013 |
| simulation test method for high altitude ignition ability of turbine engine | 2 | 2013 |
| cyclone for aviation gas turbine engine | 2 | 2013 |