How many patents does
Tangshan College have?
patents
479
families
439
granted
37
applications
442
CN
477
WO
2
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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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Tangshan College
Top ten assignees appearing on patents
2009
2018
Tangshan College
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| control method and device for sulfuric acid leakage monitoring | 3 | 2013 |
| rotatable eccentric type sun-rain umbrella for bicycle | 2 | 2015 |
| alcohol substituting beverage | 2 | 2015 |
| automatic grain collecting machine | 2 | 2015 |
| formed coke blank arrangement and arraying device | 2 | 2015 |
| non-linear screw-blade cylindrical end mill | 2 | 2015 |
| test bed for simulating common faults of hydraulic systems | 2 | 2016 |
| non-burnt brick prepared from alkaline residues and preparation method thereof | 2 | 2015 |
| cleaning vehicle for cleaning welding seams on inner wall of steel storage tank | 2 | 2016 |
| automatic turning system for saw blades | 2 | 2016 |