How many patents does
Railway Engineering Research Institute, China Academy Of Railway Sciences have?
patents
384
families
299
granted
75
applications
309
CN
371
US
4
GB
3
WO
2
RoW
4
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Railway Engineering Research Institute, China Academy Of Railway Sciences
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Railway Engineering Research Institute, China Academy Of Railway Sciences
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| ballastless track system | 10 | 2011 |
| prestressed concrete track slab of slab-type ballastless track | 5 | 2010 |
| novel wide-coverage waterproof coiled material substitutable for polyurea waterproof pai… 🛈 | 3 | 2011 |
| insulating concrete material and preparation technology | 2 | 2012 |
| modification additive suitable for low-quality aggregate concrete, and preparation metho… 🛈 | 2 | 2015 |
| modified acrylic resin mortar composition and preparation method thereof | 2 | 2011 |
| low-viscosity high-early-strength polyurethane repair material for high speed railway sl… 🛈 | 2 | 2014 |
| preparation and application of dry-mixed mortar for plate-type ballastless track self-co… 🛈 | 2 | 2014 |
| soil zone obstacle avoidance device of screen cleaning machine | 2 | 2012 |
| concrete-curing agent applicable to strong-wind arid area and preparation method thereof | 2 | 2011 |