How many patents does
Hebei Iron & Steel Group Company have?
patents
565
families
506
granted
59
applications
506
CN
565
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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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Hebei Iron & Steel Group Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Hebei Iron & Steel Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| molten iron desulfurizing agent, preparation method thereof and desulfurization method u… 🛈 | 2 | 2011 |
| large-thickness high-performance sa302grc steel plate and production method thereof | 2 | 2013 |
| limestone slagging steelmaking lance position control method for basic oxygen furnaces | 2 | 2012 |
| steel plate surface polishing machine | 2 | 2012 |
| low yield ratio chromium-molybdenum steel plate and production method thereof | 2 | 2013 |
| method for controlling acid liquid temperature in pickling in acid rolling mill set | 2 | 2013 |
| steel plate for heavy-duty generator and manufacturing method thereof | 2 | 2010 |
| large-thickness rolled steel plate instead of case one for large-sized ball mill and pro… 🛈 | 2 | 2010 |
| medium carbon alloy high-strength quenched and tempered steel plate and production metho… 🛈 | 2 | 2010 |
| method for producing high-thickness z-direction steel plate | 2 | 2010 |