How many patents does
China Construction Fourth Engineering Division Company have?
patents
587
families
529
granted
55
applications
532
CN
587
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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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China Construction Fourth Engineering Division Company
Top ten assignees appearing on patents
2009 - 2018
2018
China Construction Fourth Engineering Division Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| squareness measuring instrument and room squareness measuring method | 5 | 2014 |
| hydrophobic capillary crystalline waterproof agent and preparation method thereof | 2 | 2013 |
| tunnel clearance measurement instrument | 2 | 2013 |
| tunnel measuring instrument | 2 | 2013 |
| depressurization and anti-floating method and device thereof for foundation construction… 🛈 | 2 | 2014 |
| construction method and structure of non-load-bearing thin wall | 2 | 2013 |
| anti-floating method and structure for lpm (lumped plasticity model) hollow die construc… 🛈 | 2 | 2013 |
| double-z-type supporting steel girder, crane supporting component with same and use meth… 🛈 | 2 | 2015 |
| construction method of outpacking structure of steel pipe column with asymmetric steel h… 🛈 | 2 | 2011 |
| method for on-site processing stirrup and stirrup processing field | 2 | 2014 |