How many patents does
Laiwu Iron & Steel Company have?
patents
231
families
179
granted
60
applications
171
CN
231
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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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Laiwu Iron & Steel Company
Top ten assignees appearing on patents
2009 - 2018
2009
| laiwu iron & steel company | 26 |
| laigang group company | 2 |
| ge dong | 1 |
| guo da | 1 |
2018
Laiwu Iron & Steel Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| processing method and system for thread steel | 2 | 2010 |
| method for producing active pulverized lime by utilizing coal gas to calcine limestone t… 🛈 | 2 | 2010 |
| dust inhibitor and preparation method thereof | 2 | 2009 |
| method for building steel ladle pouring working lining | 2 | 2010 |
| manufacture method of powder alloy self-lubricating bearing for continuous casting cryst… 🛈 | 2 | 2010 |
| hydraulic system | 2 | 2010 |
| device for removing iron scale from surface of high-temperature billet | 2 | 2010 |
| method and device for rolling metal section with asymmetric cross section | 2 | 2010 |
| automatic colliding type rapid-change connector device | 2 | 2010 |
| hydraulic cylinder | 2 | 2010 |