How many patents does
Wengfu Group Company have?
patents
1,249
families
1,077
granted
189
applications
1,060
CN
1,249
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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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Wengfu Group Company
Top ten assignees appearing on patents
2009 - 2018
2009
| wengfu group company | 50 |
2018
Wengfu Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for changing granular monoammonium phosphate to produce diammonium phosphate by d… 🛈 | 2 | 2009 |
| hot-blast stove for drying phosphate and compound fertilizers | 2 | 2013 |
| method for decomposing semi-hydrated phosphogypsum | 2 | 2009 |
| production method of ammonium sulphate phosphate products | 2 | 2012 |
| method for combined processing of phosphogypsum and phosphate reverse flotation tailings | 2 | 2013 |
| special compound fertilizer for young tea, and preparation method and application method… 🛈 | 2 | 2013 |
| method for comprehensively utilizing water in ammonium sulfate production | 2 | 2011 |
| construction method for using three-dimensional composite drainage mesh for diverting se… 🛈 | 2 | 2011 |
| method for purifying raffinate | 2 | 2009 |
| granulating and drying machine for producing granular ammonium sulfate | 2 | 2009 |