How many patents does
Xinxing Ductile Iron Pipes Company have?
patents
1,281
families
1,104
granted
149
applications
1,132
CN
1,230
EP
16
WO
8
US
1
RoW
26
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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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Xinxing Ductile Iron Pipes Company
Top ten assignees appearing on patents
2009 - 2018
Xinxing Ductile Iron Pipes Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| bell and spigot type pipe joint, mounting and dismounting methods thereof, mounting clam… 🛈 | 14 | 2013 |
| bell and spigot type piping joint | 12 | 2012 |
| a composite anti-corrosion lining comprising waterborne epoxy cover layer and use thereof | 11 | 2011 |
| anticorrosive coating for buried black metal-based pipeline and method for spraying same | 6 | 2012 |
| spigot-and-socket pipe joint with anchoring structure and installing method thereof | 6 | 2011 |
| novel bearing ring material and production process thereof | 6 | 2010 |
| socket and spigot type pipeline connector with anchoring structure | 4 | 2015 |
| method for producing biofuel using electron beam | 3 | 2007 |
| method for manufacturing compound blade of agricultural harvester | 2 | 2010 |
| method for constructing roadbed of reinforced concrete pavement of road | 2 | 2010 |