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

Boring or penetrating the earth – Automatic control – Of boring means including a below-ground drive prime mover

Earth drilling apparatus with control valve

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

Earth drilling cuttings processing system

Boring or penetrating the earth – With tool drive prime mover or above-ground mechanical...

Earth drilling device

Boring or penetrating the earth – With means to simultaneously feed and rotate tool from a...

Earth drilling device

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Receiver removable through below-ground tool shaft

Earth drilling device for extracting earth samples

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means

Earth drilling knobby bit

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Earth drilling lubricated hydraulic shock absorber and method

Boring or penetrating the earth – With below-ground tool drive prime mover – With below-ground feed means

Earth drilling mechanisms

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

Earth drilling method and apparatus using multiple hydraulic for

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

Earth drilling tools

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Providing identifiable indication of core position in situ...

Earth formation surveying device

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

Earth penetrating apparatus and method employing radar...

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

Earth penetrating apparatus and method employing radar...

Boring or penetrating the earth – Tool actuation by reaction of rotating eccentric mass

Earth penetrating apparatus for obtaining sediment samples, driv

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

Earth penetrating rotary drill bit with helical ports

Boring or penetrating the earth – Boring without earth removal

Earth penetration

Boring or penetrating the earth – Boring without earth removal

Earth piercing apparatus

Boring or penetrating the earth – Bit or bit element – With helical-conveying portion

Earth remediation auger

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

Earth removal member with features for facilitating...