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

Mini disk bit

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

Mining bit

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

Mining drill

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

Mining drill

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

Mining drill

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

Mining drill

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

Mining drill

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

Modified superhard cutting element having reduced surface roughn

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

Modified superhard cutting elements having reduced surface rough

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

Modular drill bit

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

Modular drill bit

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

Modular rotary drill bit

Boring or penetrating the earth – Bit or bit element – Adjustable cutter element

Modular system for a back reamer and method

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

Monolithic roof cutting bit insert

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

Monolithic self sharpening rotary drill bit having tungsten carb

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

Monolithic self sharpening rotary drill bit having tungsten carb

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

Mosaic diamond drag bit cutter having a nonuniform wear pattern

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Motor bit system

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

Mounting attachment and bearing system for an industrial...