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

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

Method of producing downhole drill bits with integral...

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

Method of securing a rotary cutter to a body of a down hole...

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

Methods for evaluating cutting arrangements for drill bits...

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

Methods for fabricating drill bits, including assembling a...

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

Methods of forming earth-boring tools having features for...

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

Methods of forming earth-boring tools using geometric...

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

Methods of manufacturing rotary drill bits

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

Methods of manufacturing rotary drill bits

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

Microwave sintered tungsten carbide insert featuring...

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element

Mill

Boring or penetrating the earth – Bit or bit element – Noncutting portion forwardly of cutting portion

Milling apparatus with replaceable blades

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

Milling insert and a milling tool

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

Milling of cemented tubulars

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

Milling tool for forming recesses in masonry, concrete and simil

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

Mine ceiling drill bit and blade

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

Mine roof drill bit and cutting insert therefor

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

Mine roof drill bit and cutting insert therefor

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

Mine roof drill bit and cutting insert therefor

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

Mine tool roof bit insert