How many patents does
Hydrochina Huadong Engineering Corporation have?
patents
422
families
346
granted
74
applications
348
CN
414
US
8
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Hydrochina Huadong Engineering Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
Hydrochina Huadong Engineering Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| fan base with pressure dispersed type arrangement high-strength pre-stressed anchor rods… 🛈 | 4 | 2014 |
| connecting structure for preventing ground inside room of factory building from transmit… 🛈 | 4 | 2014 |
| method for sampling jointed rock mass | 4 | 2011 |
| grouting and ballast structure for offshore wind power foundation grouting connection | 3 | 2012 |
| roller compacted concrete gravity dam keyway type kerf structure and construction method… 🛈 | 2 | 2009 |
| multilevel wetland purification system based on ecological base flow regulation | 2 | 2012 |
| spiral-lifting water pool type fishway | 2 | 2013 |
| construction method of weak structural surface displacement of grotto surrounding rocks … 🛈 | 2 | 2012 |
| water injection drilling and blasting method for unloading stress of structural strong r… 🛈 | 2 | 2012 |
| force transmission structure for building an arch dam on weathered unloading rock masses | 2 | 2014 |