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

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Rotary drag bit including a central region having a...

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

Rotary drag bit with enhanced hydraulic and stabilization...

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drag bit with multiple backup cutters

Boring or penetrating the earth – Bit or bit element – Specific or diverse material

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill

Boring or penetrating the earth – Bit or bit element – Nonsymmetrical bit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill arrangement

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 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

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Specific or diverse material

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

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 – Rolling cutter bit or rolling cutter bit element

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Cutting edge self-renewable during operation

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary drill bit

Boring or penetrating the earth – Bit or bit element – Bit with leading portion forming smaller diameter initial bore

Reexamination Certificate

[ 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

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