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

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

Apparatus and methods for sponge coring

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

Apparatus and methods for sponge coring

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

Apparatus and methods for sponge coring

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

Apparatus for downward displacement of an inner tube within a co

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

Apparatus for extracting cores

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

Apparatus for recovering core samples at in situ conditions

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

Cammed and shrouded core catcher

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

Cockable corebreaker apparatus

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

Continuous coring drill bit

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

Core barrel

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

Core cut off cable

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

Core drilling tool with direct drive

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

Core Machine

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

Core sampler

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

Coring tool

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

Coring tool

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

Device for closing a core barrel installed in a drilling rig

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

Flexible plug for obtaining soil samples during drilling operati

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

Hydraulic lift inner barrel in a drill string coring tool