How many patents does
China First Metallurgical Group Company have?
patents
1,110
families
854
granted
263
applications
847
CN
1,110
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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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China First Metallurgical Group Company
Top ten assignees appearing on patents
2009 - 2018
2018
China First Metallurgical Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| underground water recharging, regulating and controlling device | 3 | 2010 |
| rounding scraper for spraying material construction of pipeline | 2 | 2011 |
| method for vertically transporting building materials | 2 | 2010 |
| method of constructing shallow tunnel underground passage variable-cross section cross m… 🛈 | 2 | 2013 |
| alarm and protection device for cable and cable intermediate head at high temperature | 2 | 2013 |
| multipurpose device and method for fixing multi-ribbed beam formwork shells and electrom… 🛈 | 2 | 2015 |
| dynamic compaction buffer damping method of crawler crane | 2 | 2012 |
| sliding well cover convenient to operate | 2 | 2012 |
| double-ink box and single-person operated inkfountain | 2 | 2010 |
| system special for hoisting and dismounting bailey frames | 2 | 2011 |