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Selected: C

Cable-type core barrel

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Receiver removable through below-ground tool shaft
Patent

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Cammed and shrouded core catcher

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Cockable corebreaker apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Continuous coring drill bit

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Core barrel

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...
Reexamination Certificate

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Core barrel

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Reexamination Certificate

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Core barrel adjusting system

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Receiver removable through below-ground tool shaft
Patent

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Core barrel assemblies with braking devices

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Receiver removable through below-ground tool shaft
Reexamination Certificate

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Core cut off cable

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Core drill

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core bit closure relative upwardly movable by core
Reexamination Certificate

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Core drilling tool with direct drive

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Core Machine

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Core retainer for sidewall core tools

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...
Patent

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Core sampler

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Corebarrel

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...
Patent

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Coring bit with uncoupled sleeve

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Receiver removable through below-ground tool shaft
Reexamination Certificate

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Coring tool

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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Coring tool

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent

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