4. Boring or penetrating the earth
  5. Means traveling with tool to constrain tool to bore along...
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Choke device

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Closed loop drilling assembly with electronics outside a...

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Axially spaced opposed bore wall engaging guides
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Coiled tubing directional drilling apparatus

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Collared boring bit

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Connector housing

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Control of at least two stabilizing arms in a drill or core devi

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Axially spaced opposed bore wall engaging guides
Patent

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Control system for a drilling apparatus

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Axially spaced opposed bore wall engaging guides
Patent

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Controllable downhole directional drilling tool

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Controllable stabilizer

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Controlled directional drilling tool

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Axially spaced opposed bore wall engaging guides
Patent

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Crank connector for directional drilling

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Curved drilling apparatus

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Cutting structure for earth boring drill bits

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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