How many patents does
Beijing Changcheng Institute Of Metrology & Measurement, Aviation Industry Corporation Of China have?
patents
343
families
253
granted
91
applications
252
CN
343
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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 Changcheng Institute Of Metrology & Measurement, Aviation Industry Corporation Of China
Top ten assignees appearing on patents
2009
2018
Beijing Changcheng Institute Of Metrology & Measurement, Aviation Industry Corporation Of China
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| piston pressure device | 2 | 2009 |
| conducting ring brush wire contact pressure detection method and device | 2 | 2013 |
| centrifugal acceleration field tumbling calibration method for line accelerometer | 2 | 2016 |
| centrifugal-pneumatic composite correction device | 2 | 2016 |
| method for compensating temperature of diaphragm type fiber f-p (fabry-perot) cavity pre… 🛈 | 2 | 2013 |
| control method of acceleration-temperature combination and calibration equipment | 2 | 2016 |
| optical fiber type on-line real-time pantograph lifting pressure detection system | 2 | 2013 |
| optical fiber type on-line sectional real-time carbon pantograph slider abrasion detecti… 🛈 | 2 | 2013 |
| fully-automatic large-size measurement equipment field calibration device | 2 | 2016 |
| all-fiber laser frequency measuring device and method | 2 | 2017 |