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

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Well drilling tool

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...

Patent

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Well drilling tool

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

Patent

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Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool having sealed lubrication system

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool with diamond radial/thrust bearings

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

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Well drilling tool with diamond thrust bearings

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well drilling tool with lubricant level indicator

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well entry tool

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well fluid and method of making

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

Patent

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Well fluid and test method

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating agent released in drilling fluid

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well jar

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

Patent

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Well jar

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well jar accelerator with expansion chamber

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

Patent

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Well jar having a time delay section

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

Patent

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Well jar incorporating elongate resilient vibration snubbers and

Boring or penetrating the earth – Below-ground impact members – Resiliently biased

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well jet device and the operating method thereof

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

Reexamination Certificate

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