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

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O-ring seal for rock bit bearings

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

O-ring seal for rock bit bearings

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

Oil well drilling 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

One cone rotary drill bit featuring enhanced grooves

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

Utility Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

One trip milling system

Boring or penetrating the earth – Bit or bit element – Core forming type

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Optimal material pair for metal face seal in earth-boring 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

Optimized central PDC cutter and method

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

Optimized earth boring seal means

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

Optimized PDC cutting shape

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Orientable fluid nozzle for drill bits

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

Overburden eliminator rock 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

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