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 reamer apparatus

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 reamer with rotatably positioned bearing block

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 reamer/stabilizer

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-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

[ 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

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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 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

Rolling 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

Rolling cutter drill bit with annular seal rings

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 drill bit with stabilized insert holes and method

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 drill bits

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 cutters for drill bits

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 earth-boring bit having predominantly super-hard

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 mining bit with relatively soft formation cutting

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

Rotary bit with jet nozzles

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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