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 |
---|---|---|
shale gas production method | 5 | 2012 |
fluid container and component thereof | 4 | 2011 |
automatic plate turnover mechanism for marine drilling platform | 3 | 2013 |
assembly for mounting cylinder liners in drilling pump | 3 | 2012 |
fracturing pump | 3 | 2012 |
connecting and unloading device and application method thereof | 3 | 2013 |
locking device for pile leg buried platform | 3 | 2013 |
a guard for controlling material dispersion in a drilling pump | 3 | 2012 |
non-rotary connector used for connecting downhole electric module | 3 | 2013 |
bit feeding system of drilling machine | 2 | 2010 |