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 |
---|---|---|
method for detecting stratum boundary and measuring stratum specific resistance | 2 | 2016 |
fixing structure for transformer unit and transformer component | 2 | 2012 |
evaluation method for stratum anisotropy | 2 | 2012 |
automatic seal joint for hydraulic pressure of through casing resistivity logging unit | 2 | 2012 |
method and device for determining depth of instrument in well | 2 | 2012 |
multipoint interpolation well diameter scale device | 2 | 2012 |
secondary heat exchange non-inductive hot air circulating oven | 2 | 2012 |
pole plate electrode system for logging instrument | 2 | 2012 |
mandrel assembly for induction logging instrument probe nipple and manufacturing method … 🛈 | 2 | 2012 |
fixing structure for transformer pup joint and transformer pup joint | 2 | 2012 |