LandOfFree - US Patents - Listing for Pumps

Pumps – Expansible chamber type – Having additional chamber intake connection from nonpumping...

Back pressure structure of intermediate pressure of scroll...

Pumps – Plural pumps with individual or relative control

Back-up for high voltage cable pressurizing system

Pumps – Expansible chamber type – Pumping member position controlled port

Back-up ring for cup seal

Backup heat-dissipating system

Bag/syringe enclosure arrangements and methods

Pumps – Processes

Bailer pumps for oil wells

Pumps – Motor driven – Fluid motor

Balance hydraulic pumping unit

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve

Balanced dual chamber oil pump

Balanced linear motor compressor

Pumps – Motor driven – Motor within rotary pumping member

Balanced rolling rotor motor compressor

Pumps – Motor driven – Motor within rotary pumping member

Balanced rolling rotor motor compressor

Pumps – Motor driven – Fluid motor

Balanced single stage linear diaphragm compressor

Pumps – With condition responsive pumped fluid control – Pump inlet or pump chamber vented to ambient

Balanced supplemental water bleed for suction dredgers

Pumps – Motor driven – Fluid motor

Balanced turbocharger

Pumps – With condition responsive pumped fluid control – Normally open bypass or relief passage closed by increased...

Balanced vane oil pumps

Pumps – With condition responsive pumped fluid control – Normally open bypass or relief passage closed by increased...

Balanced vane type oil pumps

Pumps – Three or more cylinders arranged in parallel – radial – or...

Balanced variable displacement fluid apparatus

Ball bearing for use in vacuum and turbo-molecular pump incorpor

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve

Ball check air vent for transmission pump