How many patents does
Gansu Jiu Steel Group Hongxing Iron & Steel Company have?
patents
489
families
448
granted
41
applications
448
CN
489
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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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Gansu Jiu Steel Group Hongxing Iron & Steel Company
Top ten assignees appearing on patents
2009 - 2018
| gansu jiu steel group hongxing iro… 🛈 | 449 |
| jiuquan iron & steel (group) compa… 🛈 | 1 |
2009
2018
Gansu Jiu Steel Group Hongxing Iron & Steel Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| 340mpa grade cold rolled low alloy high strength steel and manufacturing method thereof | 2 | 2014 |
| quick locating and repairing method of bimetallic strip saw blade | 2 | 2014 |
| high-chromium austenitic stainless steel surface acid pickling method | 2 | 2015 |
| method for smelting titaniferous austenitic stainless steel plate | 2 | 2015 |
| device and method for measuring ullage and material level of mine deep-hole chute | 2 | 2014 |
| direct reduction anti-oxidation covering agent for iron ore tunnel kiln and preparation … 🛈 | 2 | 2015 |
| method for quickly removing metering inaccuracy faults of weighing feeder controlled by … 🛈 | 2 | 2015 |
| chain grate-tandem rotary kiln whole-particle fraction magnetic roasting process for ref… 🛈 | 2 | 2014 |
| chain grate-tandem type rotary kiln direct reduction technology for refractory low-grade… 🛈 | 2 | 2014 |
| short-flow direct reduction technology for producing molten iron from iron ore | 2 | 2014 |