LandOfFree - US Patents - Listing for Pumps,Expansible chamber type

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Reciprocating compressor for gaseous media

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Reciprocating compressor having a cylinder provided with a gas p

Pumps – Expansible chamber type – Electrically or magnetically actuated distributor

Reciprocating compressor having an exhaust valve controlled...

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Reciprocating compressor in which a suction valve is...

Pumps – Expansible chamber type – Pumping member position controlled port

Reciprocating compressor with auxiliary port

Pumps – Expansible chamber type – Pressure responsive distributor continuously biased open

Reciprocating compressor with flow passage closed by valve pre-b

Pumps – Expansible chamber type – Pumping member position controlled port

Reciprocating diaphragm pump with packless piston-cylinder unit

Pumps – Expansible chamber type – Valved piston

Reciprocating down-hole sand pump

Pumps – Expansible chamber type – Valved piston

Reciprocating exhauster

Pumps – Expansible chamber type – Plural pumping chambers

Reciprocating gas compressor having a split housing and crosshea

Pumps – Expansible chamber type – Pumping member position controlled port

Reciprocating hydraulic pump

Pumps – Expansible chamber type – Pumping member position controlled port

Reciprocating hydraulic pump

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Reciprocating piston apparatus

Pumps – Expansible chamber type – Plural pumping chambers

Reciprocating piston device with changeable stroke length

Pumps – Expansible chamber type – Biasing means effects eduction stroke of abutment driven,...

Reciprocating piston fluid pump

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Reciprocating piston machine with capillary passages on valves f

Pumps – Expansible chamber type – Moving cylinder

Reciprocating piston mechanism

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Reciprocating piston pump

Pumps – Expansible chamber type – Plural pumping chambers

Reciprocating piston pump