How many patents does
Chongqing Iron & Steel have?
patents
970
families
859
granted
129
applications
841
CN
970
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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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Chongqing Iron & Steel
Top ten assignees appearing on patents
2009 - 2018
2018
Chongqing Iron & Steel
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| production process method of small-caliber cold-drawing seamless steel tube used for boi… 🛈 | 2 | 2012 |
| metal electroslag remelting smelting device | 2 | 2014 |
| coil transport trolley | 2 | 2013 |
| limiting device for steel-drawing trolley of chain-type cooling bed steel-drawing machine | 2 | 2013 |
| method for improving limiting reliability of steel pulling trolley of steel pulling mach… 🛈 | 2 | 2013 |
| anti-impact hydraulic oil cylinder | 2 | 2013 |
| horizontal centrifugal casting machine | 2 | 2015 |
| drainage type centrifugal casting bleed-out prevention method | 2 | 2015 |
| horizontal centrifugal casting machine | 2 | 2015 |
| metal electroslag remelting smelting atmosphere protection method | 2 | 2014 |