How many patents does
Zhejiang Dunan Hetian Metal Company have?
patents
237
families
190
granted
39
applications
198
CN
217
US
17
JP
2
WO
1
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Zhejiang Dunan Hetian Metal Company
Top ten assignees appearing on patents
2009 - 2018
| zhejiang dunan hetian metal company | 217 |
| dunan microstaq | 2 |
2018
Zhejiang Dunan Hetian Metal Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| superheat sensor | 7 | 2012 |
| on-demand micro expansion valve for a refrigeration system | 5 | 2013 |
| microvalve with integrated flow sensing capability | 4 | 2012 |
| wheatstone bridge check valve arrangement | 4 | 2012 |
| microvalve having improved air purging capability | 4 | 2013 |
| microvalve having improved resistance to contamination | 3 | 2013 |
| self-operated three-way valve | 2 | 2011 |
| positioning and connecting structure for valve body of electronic expansion valve for ai… 🛈 | 2 | 2012 |
| rotating type electromagnetic four-way reversing valve | 2 | 2012 |
| normally-open solenoid valve | 2 | 2013 |