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

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

Face seal having strain induced face geometry

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

Failure indicator for rolling cutter drill bit

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

Fast descent core barrel apparatus

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by cam or gear axially rotatable...

Fastener, hammering jig for installing the fastener, and...

Boring or penetrating the earth – Processes

Fastening apparatus for and method of setting fastening elements

Boring or penetrating the earth – Below-ground impact members

Fatigue resistant anvil bit for percussion rock drill

Boring or penetrating the earth – With means to simultaneously feed and rotate tool from a...

Feed system for a rotary drill tower

Boring or penetrating the earth – With means to simultaneously feed and rotate tool from a...

Feed table pivot pin constraining device

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

Fiber optic sensors in MWD Applications

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

Filter assembly having a bypass passageway and method

Boring or penetrating the earth – With well-type screen

Filter for a drill string

Boring or penetrating the earth – With well-type screen

Filter sub

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

Fingerboard with pneumatically actuated finger latches

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid spray

Fire suppression apparatus for well drilling system

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Explosive charge carried by projectile

Firing Head

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With bore condition firing control – or compensating means

Firing head for a tubing conveyed perforating gun

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With bore condition firing control – or compensating means

Firing head for a tubing conveyed perforating gun

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

Firing system for tubing conveyed perforating gun

Boring or penetrating the earth – Ice boring

Fisherman's gear-storing ice auger