How many patents does
Hebei University Of Engineering have?
patents
1,237
families
1,036
granted
190
applications
1,047
CN
1,237
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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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Hebei University Of Engineering
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Hebei University Of Engineering
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| n-shaped wall solar water heating device | 7 | 2013 |
| drop hammer-type compaction machine | 5 | 2015 |
| well lid system for airport and usage method thereof | 4 | 2013 |
| device for keeping patient respiratory tract unobstructed and monitoring regurgitation o… 🛈 | 3 | 2014 |
| device for fixing split metal rod piece and use method thereof | 3 | 2014 |
| rotary kiln | 3 | 2015 |
| a graft modification method of flame-retardant fly ash | 2 | 2015 |
| electric wheelchair with double steering devices | 2 | 2014 |
| a grafting modification method of antibacterial anticorrosion fly ash | 2 | 2015 |
| isg15 colloidal gold test strip for early gestation diagnosis on cattle and sheep and ma… 🛈 | 2 | 2014 |