4. Chemical apparatus and process disinfecting, deodorizing, preser
  5. Chemical reactor
  6. Fluidized bed

Japan National Oil Corporation

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Acoustic wave transmission system and method for...

Measuring and testing – Borehole or drilling – During drilling
Reexamination Certificate

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Apparatus for oxidative coupling of methane

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Fluidized bed
Patent

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Bit apparatus

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Reexamination Certificate

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Device for controlling the drilling direction of drill bit

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...
Patent

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Information transmitting apparatus using tube body

Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Patent

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Profile ID: LFUS-PAI-P-28032

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