How many patents does
Huadian Heavy Industry Company have?
patents
311
families
261
granted
47
applications
264
CN
311
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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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Huadian Heavy Industry Company
Top ten assignees appearing on patents
2018
Huadian Heavy Industry Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| internal noise source identification method of waste heat boiler | 3 | 2013 |
| method for eliminating heat exchanging corner and air condenser thereof | 2 | 2009 |
| feeding apparatus and feeding method for rotary retort | 2 | 2015 |
| gantry type circular stockyard material piling and taking machine | 2 | 2016 |
| novel shore container transfer method and transfer system | 2 | 2014 |
| lower trolley winding system | 2 | 2014 |
| reclaimer with self-releasing buffer bed | 2 | 2012 |
| traversing type double-trolley system and traversing type multi-trolley system | 2 | 2014 |
| height limit detecting structure | 2 | 2015 |
| anthracene oil hydrogenation method | 2 | 2015 |