LandOfFree - US Patents - Listing for Boring or penetrating the earth

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector

Wear protective means for a drilling tool

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector

Wear protector for a drilling tool

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

Wear resistant composite insert and boring tool with insert

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

Wear resistant cutter insert structure and method

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

Wear resistant drill bit

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector

Wear resistant sleeve for sub assembly

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector

Wear resistant sub assembly

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector

Wear sleeve

Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...

Weather protected offshore drilling rig

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

Web cutter

Boring or penetrating the earth – Cutter element laterally shiftable below ground

Wedge activated underreamer

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector

Wedge lock stabilizer

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

Wedge tooth cutter element for drill bit

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Wedging assembly for borehole steering or branching

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Weight control system for a rotary drill assembly

Boring or penetrating the earth – With above-ground means for preparing or separating drilling...

Weir box for drilling mud separation unit

Boring or penetrating the earth – Processes

Welded joints for rotary-vibratory drills having reduced stress

Boring or penetrating the earth – With orienting or racking means for unconnected tools or...

Well apparatus with tubular elevator tilt and indexing apparatus

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Well bore drilling direction changing method