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

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation

Early evaluation by fall-off testing

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation

Early evaluation system with drilling capability

Boring or penetrating the earth – Processes – Sampling of earth formations

Early formation evaluation tool

Boring or penetrating the earth – Processes – Sampling of earth formations

Early formation evaluation tool

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

Earth auger

Boring or penetrating the earth – Below-ground impact members – With releasable means to detachably retain telescoping...

Earth auger and method for driving piles and the like by means o

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Pivoted about substantially longitudinal axis

Earth auger and method for driving piles and the like by means o

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

Earth auger drill

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

Earth auger for planting bulbs

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

Earth auger with removable cutting tooth support structure

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft

Earth bit having a pressure relief valve

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Earth bit having a wear ring

Boring or penetrating the earth – Boring without earth removal

Earth borer

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

Earth borer system with drill-rod changer

Boring or penetrating the earth – Processes

Earth boring apparatus

Boring or penetrating the earth – With tool drive prime mover or above-ground mechanical... – With diversely operated shafts extending into bore

Earth boring apparatus

Boring or penetrating the earth – With means to feed drive

Earth boring apparatus

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

Earth boring apparatus

Boring or penetrating the earth – With below-ground tool drive prime mover – With below-ground conveyer or impeller for removal of cuttings

Earth boring apparatus