How many patents does
Xuzhou Xugong Foundation Construction Machinery Company have?
patents
302
families
259
granted
37
applications
265
CN
292
WO
3
US
2
EP
2
RoW
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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Xuzhou Xugong Foundation Construction Machinery Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Xuzhou Xugong Foundation Construction Machinery Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| detachable combined-type drive key for rotary drilling rig power head | 6 | 2013 |
| power head of rotary drilling rig and rotary drilling rig | 3 | 2015 |
| driving and connecting device for rotary drilling rig power head pile casing | 2 | 2011 |
| multilayer drill pipe structure of pneumatic down-hole hammer | 2 | 2015 |
| square shaft structure of rotary drilling rig | 2 | 2009 |
| power head multi-gear mode control device and method of rotary drilling rig and rotary d… 🛈 | 2 | 2015 |
| safety control device for regulating pressures of jaw vices of horizontal directional dr… 🛈 | 2 | 2015 |
| winch pressurization control device as well as control method and rotary drilling rig of… 🛈 | 2 | 2015 |
| rotary drilling rig capable of realizing positive and negative circulation pneumatic dow… 🛈 | 2 | 2015 |
| power head mechanism of down-hole hammer drill | 2 | 2015 |