How many patents does
China First Heavy Industries Company have?
patents
824
families
684
granted
143
applications
681
CN
823
WO
1
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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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patent families
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China First Heavy Industries Company
Top ten assignees appearing on patents
2009 - 2018
2018
China First Heavy Industries Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| shell course rolling technology | 3 | 2009 |
| jaw device of coiler mandrel | 2 | 2012 |
| method for distributing rolling reduction of shell ring | 2 | 2012 |
| nylon-rubber composite self-locking guide head for chemical containers, and application … 🛈 | 2 | 2013 |
| positioning auxiliary tool for massive steel plate strip machining chute and clamping te… 🛈 | 2 | 2013 |
| hydrogen production system | 2 | 2013 |
| anti-galvanic corrosion tube plate of tube nest type falling-film evaporator | 2 | 2012 |
| double-layer hydraulic cylinder calibration device | 2 | 2012 |
| adjusting and locking device of sliding block guide rail gap of multi-function testing m… 🛈 | 2 | 2012 |
| purified flue gas treatment device for domestic waste incineration plant | 2 | 2012 |