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

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

Adjustable gage cutter scraper for tunneling machines

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

Bit assembly for a hammering drill

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

Bit for subterranean drilling fabricated from separately-formed

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

Boring device

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

Boring device

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

Combination bit for coking oven

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

Cutting element apparatuses, drill bits including same,...

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

Cutting element apparatuses, drill bits including same,...

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

Cutting machine and augering tool

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

Drilling with concentric strings of casing

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

Expandable rock 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 – Adjustable cutter element

Tool for boring an enlarged portion within the interior of a hol

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

Well stimulation tool and method for inserting a...