LandOfFree - US Patents - Listing for Boring or penetrating the earth,With means movable relative to tool to receive, retain, or...

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

In-place soil sampler

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

Inner core barrel head assembly for core tube within a drill...

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

Inner core barrel head assembly for core tube within a drill...

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...

Inner tube stabilizer for a corebarrel

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

Knuckle joint spearhead core drilling apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Large diameter sampler for gathering an undisturbed sample

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...

Locking split barrel sampler and soil sampling system

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...

Method and apparatus for recovering core samples under pressure

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Multipurpose fluid flow assisted downhole tool

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

Overcenter toggle latch apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Percussion actuated core sampler

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

Positive latch core barrel apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or...

Positive latch wire line core barrel apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core bit closure relative upwardly movable by core

Probe for use in geological surveys

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

Propulsion seal for wire line core drilling apparatus

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Rotary drill bits for use in coring holes in subsurface formatio

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Rotating double barrel core sampler

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core bit closure relative upwardly movable by core

Rotating dry drilling bit

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core bit closure relative upwardly movable by core

Rotating dry drilling bit