How many patents does
Wuhuan Engineering Company have?
patents
272
families
230
granted
43
applications
229
CN
272
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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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Wuhuan Engineering Company
Top ten assignees appearing on patents
2009 - 2018
2009
| wuhuan engineering company | 2 |
2018
Wuhuan Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| circulating fluidized bed gasifier system and starting method thereof | 2 | 2012 |
| acetic acid evaporation and gas mixing integrated device | 2 | 2012 |
| process for removing sodium in high-sodium coal and system thereof | 2 | 2012 |
| metal winding type gasket, inner ring, centering ring and metal winding type gasket comp… 🛈 | 2 | 2012 |
| combined sediment collector for ash water of ash field and collection method thereof | 2 | 2013 |
| coal natural gas methanation technology and system thereof | 2 | 2013 |
| coal gasification chilling grey water high pressure flash evaporation decompression buff… 🛈 | 2 | 2012 |
| clean coal pressurized fluidized bed slag gasification process and system | 2 | 2015 |
| high-temperature synthetic gas chilling method for gasification furnace | 2 | 2012 |
| new method for purifying and separating calcium carbide furnace exhaust and application … 🛈 | 2 | 2014 |