How many patents does
Mid-South Hydroelectric Investigation & Design Institute Of China Hydropower Engineering Consultinggroup have?
patents
284
families
231
granted
61
applications
223
CN
284
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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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Mid-South Hydroelectric Investigation & Design Institute Of China Hydropower Engineering Consultinggroup
Top ten assignees appearing on patents
2009 - 2018
2018
Mid-South Hydroelectric Investigation & Design Institute Of China Hydropower Engineering Consultinggroup
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| drilling and grouting integrated top-down high-pressure impact extrusion grouting method | 2 | 2012 |
| long-span and high-side-wall underground space building and excavation support method th… 🛈 | 2 | 2013 |
| pore water pressure orientator | 2 | 2011 |
| continuous directional coring and deflecting machine tool with dual tubes for outer guid… 🛈 | 2 | 2011 |
| open caisson type flow measurement structure and flow measurement method for drainage di… 🛈 | 2 | 2013 |
| roller compacted concrete dam and slit forming method thereof | 2 | 2011 |
| spiral drill bit, foam drilling device and foam drilling process | 2 | 2013 |
| bedrock extensometer suitable for being installed in hole and installing and embedding m… 🛈 | 2 | 2012 |
| elastic drill rod joint used for directional drilling | 2 | 2011 |
| hydrometric station cableway type flow velocity automatic measurement device | 2 | 2013 |