How many patents does
Zhejiang Shuangjin Machinery Group Company have?
patents
271
families
198
granted
72
applications
199
CN
270
WO
1
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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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Zhejiang Shuangjin Machinery Group Company
Top ten assignees appearing on patents
2009
2018
Zhejiang Shuangjin Machinery Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| main shaft copper sleeve specially used for cone sand making machine and lubricating and… 🛈 | 3 | 2013 |
| shaft pin of cone crusher pressure-maintaining cylinder and cylinder protecting method | 2 | 2014 |
| hydraulic lock washer and locking method | 2 | 2014 |
| hydraulic lock type cone sand-making machine and locking method | 2 | 2014 |
| multi-cylinder hydraulic lock dual-lock cone crusher and locking method | 2 | 2014 |
| multi-cylinder hydraulic lock dual-lock cone sand-making machine and locking method | 2 | 2014 |
| cone sand maker pressure retaining cylinder shaft pin and cylinder retaining method | 2 | 2014 |
| large cone sand maker having automatic protection function, and automatic protection met… 🛈 | 2 | 2014 |
| safe crushing system of stones, and safe control method thereof | 2 | 2014 |
| non-dead halt conical sand making machine and non-dead halt method | 2 | 2013 |