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 |
---|---|---|
valve seat retention pin | 13 | 2012 |
multi-purpose float equipment and method | 12 | 2000 |
downhole apparatus and method | 11 | 2010 |
safety latch lock | 11 | 2011 |
cartridge retention system | 10 | 2015 |
plunger clamp for fluid end | 8 | 2016 |
fluid end with modular intake manifold | 8 | 2015 |
plunger packing nut with integral packing | 7 | 2015 |
system for attaching a gullwing to a catwalk | 7 | 2013 |
emergency cylinder lowering circuit with regenerative hydraulics and burst protection | 7 | 2013 |