LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element,Magnetized or with magnet

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Relating to rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Revolving cutters for rock bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rock bit with diamond reamer to maintain gage

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rock bit with diamond tip inserts

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rock bit with wear resistant inserts

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rock bits and inserts therefor

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rock drilling bit and a method of producing the same

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rotary bit with ridges

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rotary cutting member for drilling holes

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit and method for making same

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit for use in drilling holes in subsurface earth f

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit having improved mounting means for multiple cut

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

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Rotary drill bit with cutting elements having a thin abrasive fr

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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