How many patents does
Xcmg Excavator Machinery Company have?
patents
428
families
373
granted
44
applications
384
CN
413
US
6
WO
4
RoW
5
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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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Xcmg Excavator Machinery Company
Top ten assignees appearing on patents
2009
2018
Xcmg Excavator Machinery Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| device for enhancing excavation-handling characteristics and levelling operation charact… 🛈 | 6 | 2011 |
| method for improving excavating control characteristic and leveling operation characteri… 🛈 | 6 | 2011 |
| energy-saving control system of excavator | 5 | 2014 |
| rotatory energy recycling control device for hydraulic excavator | 5 | 2013 |
| device for improving linear running performance of excavator during compound action | 2 | 2012 |
| combined engineering machinery chassis connection structure | 2 | 2014 |
| shock absorber for suspension systems of large excavators | 2 | 2014 |
| device and method for absorbing swing arm descending energy during composite movement of… 🛈 | 2 | 2015 |
| excavator control device based on authority limit mechanism and method | 2 | 2015 |
| multifunctional machine and tool hydraulic assistance system of excavator | 2 | 2015 |