4. Boring or penetrating the earth
  5. With means movable relative to tool to receive, retain, or...
  6. Core-retaining or severing means
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In-place soil 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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Large diameter sampler for gathering an undisturbed sample

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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Multipurpose fluid flow assisted downhole 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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Percussion actuated 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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Rotary drill bits for use in coring holes in subsurface formatio

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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Rotating double barrel 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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Shoe assembly with catcher for coring

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Soil sampler

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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Undisturbed soil sampler

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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