How many patents does
China Academy Of Railway Sciences Metals & Chemistry Research Institute have?
patents
141
families
100
granted
42
applications
99
CN
141
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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 Academy Of Railway Sciences Metals & Chemistry Research Institute
Top ten assignees appearing on patents
2009 - 2018
2009
2018
China Academy Of Railway Sciences Metals & Chemistry Research Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| constraint damping noise reduction plate and preparation method thereof | 2 | 2015 |
| maintaining composition for concrete structural component of slab ballastless track, pre… 🛈 | 2 | 2014 |
| composition used for manufacturing main track steel rail grinding wheel and preparation … 🛈 | 2 | 2014 |
| oil-resisting and cold-resisting nitrile butadiene rubber composition and preparation me… 🛈 | 2 | 2014 |
| flame retardant composition for neoprene and preparation method thereof | 2 | 2014 |
| friction regulation and control nozzle | 2 | 2013 |
| bainitic steel and pearlitic steel thermit welding material and welding technology | 2 | 2015 |
| fast rush-repair mortar for ballastless track filling layer and preparation method and a… 🛈 | 2 | 2013 |
| resin composition for crts (china rail traffic summit) i type slab ballastless track and… 🛈 | 2 | 2013 |
| trough type steel rail thermite welding sand mould | 2 | 2012 |