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

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Transmission sleeve

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

Reexamination Certificate

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Transmission sleeve for a down hole hammer

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

Patent

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Transmission sleeve for a down hole hammer

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

Patent

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Transportation, storage, and installation system for rig...

Boring or penetrating the earth – With above-ground means to feed tool

Reexamination Certificate

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Travelling centralizer arrangement in a rock drill

Boring or penetrating the earth – With above-ground guide for relatively advancing tool

Patent

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Treatment of weighted drilling mud

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

Patent

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Trench cutter

Boring or penetrating the earth – Boring means including a continuously rotating bit...

Patent

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Trench excavator

Boring or penetrating the earth – With below-ground tool drive prime mover – Plural below-ground drive prime movers

Patent

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Trench wall cutter

Boring or penetrating the earth – Boring means including a continuously rotating bit...

Patent

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Trenchless underground boring system with boring tool location

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

Patent

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Tri-cone kerf gage

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

Patent

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Triangular core cutting tool

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Triangular oil well drill bit for use in unconsolidated formatio

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

Patent

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Triangular oil well drill bit for use in unconsolidated formatio

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Triple tool with sliding spider bowl

Boring or penetrating the earth – Wedging slip assembly for supporting a pipe or rod

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tround terra-drill processes and apparatus

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Patent

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Truck mounted boring system

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Truck mounted drilling machine

Boring or penetrating the earth – Processes

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tube auger sections

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

Patent

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Tube section having slots for sampling

Boring or penetrating the earth – With well-type screen

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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