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

Boring or penetrating the earth – Tool removable or insertable through or around driving or...

Underbalanced well completion

Boring or penetrating the earth – Processes – Boring horizontal bores

Underbalanced well drilling and production

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by longitudinally relatively movable...

Undercutting device for anchor holes

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by longitudinally relatively movable...

Undercutting drill

Boring or penetrating the earth – With means providing pressurized gas contact with drilling...

Underground borer with down hammer

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...

Underground boring apparatus with controlled steering capabiliti

Boring or penetrating the earth – Automatic control

Underground boring machine employing navigation sensor and...

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

Underground directional drilling steering tool

Boring or penetrating the earth – Processes

Underground drilling and casing method and apparatus

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

Underground drilling device and method employing down-hole...

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – With suction pump inlet communicating with bore bottom

Underground mining system

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

Underground mining system

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

Underground piercing tool

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

Underground propelling method

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

Underground radial pipe network

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Underreamer

Boring or penetrating the earth – Bit or bit element – Noncutting portion forwardly of cutting portion

Underreamer and method of use