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

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

Acoustical telemetry

Boring or penetrating the earth – Boring a submerged formation – Boring from nonbuoyant support

Acoustical underwater communication system for command control a

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

Activated earth drill

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

Activated rock cutting assembly

Boring or penetrating the earth – Processes

Active controlled bottomhole pressure system & method

Boring or penetrating the earth – Processes

Active controlled bottomhole pressure system and method with...

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

Active counterbalance for a power swivel during well drilling

Boring or penetrating the earth – Automatic control

Active drill stabilizer assembly

Boring or penetrating the earth – Bit or bit element – Specific or diverse material

Active gauge cutting structure for earth boring drill bits

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

Active integrated well completion method and system

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

Active integrated well completion method and system

Boring or penetrating the earth – Boring a submerged formation

Active reference system

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

Actively controlled rotary steerable system and method for drill

Boring or penetrating the earth – Automatic control – In response to drilling fluid circulation

Actuating device associated with a drill string and comprising a

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

Actuator assembly and method for actuating downhole assembly

Boring or penetrating the earth – Cutter element laterally shiftable below ground – Cutter element shifted by fluid pressure

Actuator for an appliance associated with a ducted body, especia

Boring or penetrating the earth – Cutter element laterally shiftable below ground

Actuator underreamer

Boring or penetrating the earth – With means movable relative to tool or shaft to control...

Adapter for drilling strings with controllable air passage

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Adaptive apparatus, system and method for communicating with...