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

Mounting for inboard cutters on a raise drill

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

Mounting means for cutting elements in drag type rotary drill bi

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

Mounting means for cutting elements in drag type rotary drill bi

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

Mounting system for raise and shaft cutters

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

Mud debris diverter for earth-boring bit

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

Mud diverter for earth-boring bit

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

Multi profile performance enhancing centric bit and method...

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

Multi-layer encapsulation of diamond grit for use in...

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

Multi-layer, multi-grade multiple cutting surface PDC cutter

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

Multi-lobed cutter element for drill bit

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

Multi-lobed cutter element for drill bit

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

Multi-part energizer for mechanical seal assembly

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

Multi-piece rotary cone drill bit seal

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

Multi-sectional percussive drill bit assembly

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

Multi-sectional percussive drill bit assembly

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

Multidirectional drill bit cutter

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

Multiple cutter rotary hammer bit

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

Multiple diameter cutting elements and bits incorporating...

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

Multiple diamond layer polycrystalline diamond composite cutters