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

Cutting structure for earth boring drill bits

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

Cutting structure for earth-boring bit to reduce tracking

Reissue Patent

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

Cutting structure for roller cone drill bits

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

Cutting structure for roller cone drill bits

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

Cutting structure for roller cone drill bits

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

Cutting structure for roller cone drill bits

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

Cutting structure for roller cone drill bits

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

Cutting structure for rotary drill bits

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

Cutting structures for casing component drillout and...

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

Cutting structures for rotary drill bits

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

Cutting structures for rotary drill bits

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

Cutting structures for rotary drill bits

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

Cutting structures for steel bodied rotary drill bits

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

Cutting teeth for rolling cutter drill bit

Boring or penetrating the earth – Bit or bit element – Nonsymmetrical bit

Cutting tool for a pneumatic hammer

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

Cutting tool insert and drill bit so equipped

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

Cutting tools

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

Cutting tooth and a rotating bit having a fully exposed polycrys

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

Deep hole rock drill bit