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 |
---|---|---|
automatic processing machine for header | 8 | 2009 |
long u-shaped tube bender | 6 | 2010 |
punch and punching device for punching wall of metal round tube | 3 | 2014 |
vertical tube expanding mechanism and full-automatic tube expander | 3 | 2014 |
forming mechanism of elliptical pipe machine | 3 | 2011 |
active material receiving feed mechanism | 2 | 2012 |
groove turning machine | 2 | 2011 |
cutting pipe end machine | 2 | 2010 |
welding ring anti-falling structure | 2 | 2010 |
sealing machine | 2 | 2010 |