LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element,Rolling cutter bit or rolling cutter bit element

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Roller cutter assembly having adjustable ring cutter spacing

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Roller cutter drill bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Roller cutter mount for tunneling machine

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

Patent

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Roller cutter mounts

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

Patent

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Roller cutter with a tilted journal

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

Patent

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Roller cutter with major and minor insert rows

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

Patent

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Roller drill bit having radial-thrust pilot bushing incorporatin

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

Patent

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Roller reamer

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

Reexamination Certificate

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Roller reamer apparatus

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

Patent

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Roller reamer with rotatably positioned bearing block

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

Patent

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Roller reamer/stabilizer

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

Patent

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Roller-reamer

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Roller-type rock bit and bearing arrangement therefor

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rolling cone bit having gage and nestled gage cutter elements ha

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rolling cone bit with enhancements in cutter element placement a

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

Patent

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Rolling cone bit with gage and off-gage cutter elements...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rolling cone bit with gage and off-gage cutter elements...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rolling cone bit with shear cutting gage

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rolling cone bit with shear cutting gage

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rolling cutter bit with improved rotational stabilization

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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