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

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

Rock bit with a thermal insulating seal ring positioned in...

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

Rock bit with a thermal insulating seal ring positioned in...

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

Rock bit with an extended center jet

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

Rock bit with cavitating jet nozzles

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

Rock bit with channel structure for retaining cutter segments

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

Rock bit with cobalt alloy cemented tungsten carbide inserts

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

Rock bit with diamond reamer to maintain gage

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

Rock bit with diamond tip inserts

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

Rock bit with enhanced fluid return area

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

Rock bit with extended pickup tube

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

Rock bit with hardfacing material incorporating spherical cast c

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

Rock bit with hydraulic configuration

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

Rock bit with improved extended nozzle

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

Rock bit with improved gage insert

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

Rock bit with improved shank protection

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

Rock bit with improved shirttail ventilation

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

Rock bit with improved thrust face

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

Rock bit with load stabilizing cutting structure

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

Rock bit with mechanical seal