How many patents does
Anhui Hengyuan Coal-Electricity Group Company have?
patents
324
families
317
granted
7
applications
317
CN
324
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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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Anhui Hengyuan Coal-Electricity Group Company
Top ten assignees appearing on patents
2009
2018
Anhui Hengyuan Coal-Electricity Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| determination method for magnitude and direction of crustal stress | 2 | 2014 |
| application and construction process of tunnel head-on wall carving prevention net | 2 | 2012 |
| dense-medium preparation technology for optimizing coal slime | 2 | 2012 |
| mine belt conveyor | 2 | 2014 |
| magnesium-containing chromium-free zinc-aluminum coating anti-corrosive paint | 2 | 2013 |
| continuous weighing system used for coal mine belt conveyor | 2 | 2014 |
| novel wireless opening lead acid battery monitoring system and wireless management system | 2 | 2014 |
| endless rope machine tail wheel fixing device | 1 | 2013 |
| communication test device for underground monitoring substations | 1 | 2013 |
| portable hydraulic mine car rerailer | 1 | 2013 |