4. Wells
  5. Above ground apparatus
  6. With assembly or disassembly means

R. Ernst Krueger

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Drill pipe/casing protector assembly

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector
Patent

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Long reach rotary drilling assembly

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

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Three-dimensional steering tool for controlled downhole...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Three-dimensional steering tool for controlled downhole...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Three-dimensional steering tool for controlled downhole...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-1000281

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