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

Boring or penetrating the earth – Processes – Boring with specific fluid

Installation for cleaning the zone near the drill hole

Boring or penetrating the earth – With signaling – indicating – testing or measuring

Instrumented drill head, related drilling/bolting machines,...

Boring or penetrating the earth – With signaling – indicating – testing or measuring

Instrumented internal blowout preventer valve for measuring...

Boring or penetrating the earth – With signaling – indicating – testing or measuring

Insulative gap sub assembly and methods

Boring or penetrating the earth – With tool shaft detail – Helix or helically arranged structure

Integral blade cylindrical gauge stabilizer reamer

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

Integral blade hole opener

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Axially spaced opposed bore wall engaging guides

Integrated directional under-reamer and stabilizer

Boring or penetrating the earth – Boring a submerged formation

Integrated drilling deck and bop handling

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

Integrated transmitter surveying while boring entrenching...

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...

Integrated transmitter surveying while boring entrenching...

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With position orienting or indicating

Intercarrier mechanism for connecting and orienting tubing conve

Boring or penetrating the earth – Bit or bit element – With bit guide or bore wall compacting device

Interchangeable bearing blocks for drill bits, and drill...

Boring or penetrating the earth – With tool shaft detail – Helix or helically arranged structure

Interchangeable conveying spiral for rock drills

Boring or penetrating the earth – Enlargement of existing pilot throughbore requiring...

Interchangeable reamer

Boring or penetrating the earth – With tool shaft detail

Interchangeable sectional mining drill and bolt driver system

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

Intermittent high-drag oil well drilling bit

Boring or penetrating the earth – With below-ground tool drive prime mover – Below-ground storage of motivating energy

Intermittent high-drag oil well drilling methods and apparatus

Boring or penetrating the earth – With below-ground tool drive prime mover – With mechanical motion-converting means

Intermittently rotatable down hole drilling tool

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

Internal fluid screen to prevent nozzle and port plugging