LandOfFree - US Patents - Listing for Boring or penetrating the earth

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Earth boring bit with eccentric seal boss

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

Patent

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Earth boring bit with extended gage

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

Patent

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Earth boring bit with improved rigid face seal assembly

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

Patent

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Earth boring bit with improved thrust bearing

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

Patent

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Earth boring bit with improved two piece bearing and seal assemb

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

Patent

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Earth boring bit with labyrinth seal protector

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

Patent

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Earth boring bit with means for conducting heat from the bit's b

Boring or penetrating the earth – With heating or cooling drilling fluid

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Earth boring bit with pin mounted compensator

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means

Patent

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Earth boring bit with pressure compensating rigid face seal

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means

Patent

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Earth boring bit with protected seal means

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Earth boring bit with recessed roller bearing

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

Patent

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Earth boring bit with renewable bearing surface

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

Earth boring bit with shear compression seal

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

Earth boring bit with two piece bearing and rigid face seal asse

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

Earth boring bits with nanocrystalline diamond enhanced elements

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

Earth boring cutting element enhanced retention system

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

Patent

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Earth boring cutting element retention system

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Earth boring device

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...

Patent

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Earth boring device

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

Earth boring drill bit with chip breaker

Boring or penetrating the earth – Processes

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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