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

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

Reconditionable drill bit assembly

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

Reduced erosion nozzle system and method for the use of drill bi

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

Reduced residual tensile stress superabrasive cutters for earth

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

Reduced residual tensile stress superabrasive cutters for...

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

Reinforced abrasive-impregnated cutting elements, drill bits...

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

Reinforced rotary drill bit

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

Relating to cutter assemblies for rotary drill bits

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

Relating to rotary drill bits

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

Removable anti-wear insert

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

Removable drill bit nozzle

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

Replaceable bit nozzle

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

Replaceable cutter using internal ductile metal receptacles

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

Replaceable insert stud for drilling bits

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

Replaceable multiple TCI kerf ring

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

Replaceable nozzles for insertion into a drilling bit formed by

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

Replaceable shirttail

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

Replaceable wear pad for a rock bit cutter yoke

Boring or penetrating the earth – Bit or bit element – Impact or percussion type

Replaceable well drill bit

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

Resilient, non-rotating seal for rock drill