How many patents does
Changzhou Yahuan Environmental Protection Technology Company have?
patents
204
families
181
granted
22
applications
182
CN
204
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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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Changzhou Yahuan Environmental Protection Technology Company
Top ten assignees appearing on patents
Changzhou Yahuan Environmental Protection Technology Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| small and portable sewer dredging device | 3 | 2015 |
| edible disposable chopsticks | 3 | 2015 |
| method for reducing co2 yield during production of gas from biomass | 2 | 2012 |
| structure filter core for removing molybdenum in drinking water and preparation method o… 🛈 | 2 | 2011 |
| synthesis of biological preparation enriching ammonia nitrogen content in natural water … 🛈 | 2 | 2012 |
| cultivation method of golden-jade crystal pears | 2 | 2012 |
| composite cadmium removal agent for treating waste water containing cadmium and applicat… 🛈 | 2 | 2011 |
| traditional chinese medicine for treating poliosis and preparation method therefor | 2 | 2012 |
| eichhornia crassipes adsorbing material and preparation method thereof | 2 | 2012 |
| pomelo peel-flesh absorbent material and preparation method thereof | 2 | 2012 |