LandOfFree - US Patents - Listing for Pumps

Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...

Gas compressor

Pumps – Convertible to apparatus of a different class – Motor and pump

Gas compressor

Gas compressor and air conditioning system

Pumps – Expansible chamber type – Plural pumping chambers

Gas compressor and method with improved valve assemblies

Pumps – Expansible chamber type – Plural pumping chambers

Gas compressor comprising a double acting piston, an...

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

Gas compressor construction and assembly

Pumps – Expansible chamber type – Plural pumping chambers

Gas compressor having a variable-volume clearance pocket, and me

Gas compressor having enlarged discharge chamber

Pumps – Combined

Gas compressor having oil separation filter

Pumps – Combined

Pumps – Expansible chamber type – Valved piston

Gas compressor head and discharge valve construction

Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller

Gas compressor of the rotating type

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

Gas compressor of the scroll type having delayed suction closing

Pumps – With condition responsive pumped fluid control – Inlet throttle or stop valve

Gas compressor of variable volume

Pumps – With condition responsive pumped fluid control – Inlet throttle or stop valve

Gas compressor of variable volume

Pumps – Expansible chamber type – Pumping member position controlled port

Gas compressor or blower

Gas compressor unloading means

Pumps – With intercooler

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

Gas compressor unloading means

Pumps – Motor driven – Electric or magnetic motor

Gas compressor with buffer spaces

Pumps – Expansible chamber type – Valved piston

Gas compressor with reciprocating piston with valve sheath