How many patents does
Sinohydro Bureau 7 Company have?
patents
271
families
226
granted
46
applications
225
CN
271
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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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Sinohydro Bureau 7 Company
Top ten assignees appearing on patents
2009 - 2018
2009
| sinohydro bureau 7 company | 16 |
2018
Sinohydro Bureau 7 Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| distorted concrete grouting diffusing construction method | 2 | 2013 |
| start/stop plc (programmable logic control) method for equipment of aggregate processing… 🛈 | 2 | 2013 |
| double-input conversion device with self-locking function | 2 | 2015 |
| slip form trolley for concrete casting of arched inclined shaft | 2 | 2015 |
| construction method for steel sheet pile cofferdam on underwater exposed bedrock | 2 | 2015 |
| combined cofferdam structure and building construction method thereof | 2 | 2015 |
| mechanical automatic locking and unlocking device | 2 | 2011 |
| combined steel formwork of curved tunnel concrete liner | 2 | 2010 |
| cavern arch mould spraying concrete construction structure and process | 2 | 2010 |
| bridge girder erection machine protective guard | 2 | 2010 |