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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 |