How many patents does
Zhongye Changtian International Engineering Company have?
patents
1,078
families
692
granted
326
applications
752
CN
997
WO
27
KR
2
RoW
52
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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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Zhongye Changtian International Engineering Company
Top ten assignees appearing on patents
2009 - 2018
Zhongye Changtian International Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| hanger device and circular cooler having same | 8 | 2011 |
| frequency conversion control method and frequency conversion control system for main exh… 🛈 | 6 | 2012 |
| air duct water sealing shock wave device used for ring cold machine | 6 | 2007 |
| sintering control method and system | 6 | 2012 |
| method and system for controlling main exhaust fan | 6 | 2012 |
| supporting beam used for ring cooling machine trolley | 6 | 2009 |
| floating apparatus and annular air duct end sealing device | 6 | 2009 |
| circular air duct | 5 | 2009 |
| method and system for predicting sintering burn-through point | 5 | 2012 |
| method and system for controlling air volume of air box of sintering trolley | 5 | 2012 |