How many patents does
Beijing Tiandi-Marco Electro-Hydraulic Control System Company have?
patents
235
families
172
granted
69
applications
166
CN
235
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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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Beijing Tiandi-Marco Electro-Hydraulic Control System Company
Top ten assignees appearing on patents
2009 - 2018
| beijing tiandi-marco electro-hydra… 🛈 | 209 |
| huangling mining (group) company | 2 |
2018
Beijing Tiandi-Marco Electro-Hydraulic Control System Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| damping pressure reducing valve | 2 | 2011 |
| working face equipment positioning system based on image measurement | 2 | 2014 |
| coal port illuminating device of top coal caving bracket | 2 | 2011 |
| integrated chain tightener for scraper conveyers | 2 | 2013 |
| coal mining face hydraulic support straightening system and straightening method | 2 | 2013 |
| working face hydraulic support control device with wireless communication function | 2 | 2011 |
| method of preventing fully-mechanized coal mining face cable from jumping from slot | 2 | 2013 |
| network camera with self-dedusting device | 2 | 2010 |
| industrial ethernet system of fully-mechanized mining face | 2 | 2011 |
| sealed unloading groove between valve body and valve joint plate | 2 | 2012 |