The report contains ten-year analysis with the following sections
contact us for pricing
Check out our sample pages |
Many companies now available
Search to find companies of interest
read summary of their published patent
the company report contains more information
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
method and tools for using wire cutting to machine inner surface of hydraulic clamp jaw … 🛈 | 2 | 2015 |
intelligent mobile monitoring and full-automatic maintenance method and device of electr… 🛈 | 2 | 2015 |
circulating cooling water device applied to petroleum driller braking system and applica… 🛈 | 2 | 2015 |
automatic blowout prevention system for oil-field workover rig | 2 | 2011 |
sluice-valve under-pressure replacement device and method of oil extraction wellhead | 2 | 2015 |
generator intelligent grid-connection control method and device | 2 | 2015 |
overshot with slot | 1 | 2012 |
hinge type salvage barrel | 1 | 2012 |
logging instrument fisher | 1 | 2012 |
tiger mouth salvage hook | 1 | 2012 |