The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
energy regeneration power generation system applicable to vehicle for loading, unloading… 🛈 | 11 | 2010 |
energy recycling system for working device | 8 | 2012 |
combined down-the-hole hammer | 8 | 2010 |
telescopic crawler chassis and engineering machinery therewith | 7 | 2011 |
hydraulic excavator main valve and hydraulic excavator having same | 7 | 2010 |
pile frame and installation method of pile frame | 5 | 2015 |
pile frame and using and mounting method thereof | 5 | 2015 |
combined-type driving sleeve of drilling rig with reliably fixed draw key | 5 | 2014 |
automatic-pressure-matching energy utilization system | 4 | 2017 |
static pressing piling machine | 3 | 2012 |