How many patents does
Zhengzhou Yutong Heavy Industry Company have?
patents
210
families
193
granted
18
applications
192
CN
210
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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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Zhengzhou Yutong Heavy Industry Company
Top ten assignees appearing on patents
2009 - 2018
| zhengzhou yutong heavy industry co… 🛈 | 200 |
| liu da | 4 |
| zhengzhou yutong group company | 2 |
2018
Zhengzhou Yutong Heavy Industry Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| balance valve having two-stage pressure buffering protection function | 2 | 2010 |
| three-motor rotary multi-stage speed regulating valve | 2 | 2013 |
| automatic hooking, height fixing and unhooking dynamic compaction machine | 2 | 2013 |
| combined type rotary motor reversion-preventing buffering balanced valve | 2 | 2012 |
| micro-motion function and hydraulic brake control system of wheeled dozer | 2 | 2014 |
| caterpillar track travel driving device | 2 | 2011 |
| fire service equipment vehicle with fire-hose laying and picking device | 2 | 2009 |
| hydraulic cylinder suitable for controlling plurality of hydraulic cylinders to extend s… 🛈 | 2 | 2012 |
| four-motor revolution multilevel speed adjusting valve | 2 | 2013 |
| track running mechanism | 2 | 2009 |