How many patents does
Guangzhou Shipyard International Company have?
patents
374
families
290
granted
78
applications
296
CN
367
WO
4
EP
3
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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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Guangzhou Shipyard International Company
Top ten assignees appearing on patents
2009 - 2018
| guangzhou shipyard international c… 🛈 | 303 |
| guangzhou wenchong shipyard company | 1 |
Guangzhou Shipyard International Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| fairing method for asymmetric ship | 4 | 2015 |
| ballast tank ventilation duct | 3 | 2015 |
| negative-pressure airtightness testing apparatus and method | 3 | 2015 |
| wind shielding device for welding | 2 | 2014 |
| catamaran | 2 | 2011 |
| inflation protection device and method for welding of pipe fitting | 2 | 2011 |
| casing pipe positioning device and method | 2 | 2015 |
| bent tube machining technology | 2 | 2015 |
| mounting device for intermediate supporting member of cargo oil pump | 2 | 2015 |
| propeller manufacturing technique | 2 | 2015 |