How many patents does
Csr Ziyang Locomotive Company have?
patents
508
families
428
granted
76
applications
432
CN
504
WO
4
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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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Csr Ziyang Locomotive Company
Top ten assignees appearing on patents
Csr Ziyang Locomotive Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| a driver-less goods transport system and transport method | 3 | 2015 |
| railway rolling stock derailment preventing equipment | 3 | 2015 |
| fuel mode switching system for double-fuel locomotive and switching method of fuel mode … 🛈 | 3 | 2015 |
| c-grade steel heat treatment method | 2 | 2010 |
| connection structure for diesel engine and main power generator | 2 | 2014 |
| method for processing front axle spindle hole by rotary tool | 2 | 2010 |
| processing tool for rotary front axle spindle hole | 2 | 2010 |
| locomotive diesel generator set installing frame vertical deformation curve drawing meth… 🛈 | 2 | 2014 |
| locomotive body vertical rigid estimation method | 2 | 2014 |
| haulage motor top cover with noise elimination function | 2 | 2014 |