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

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed

Medicine injector and method of using same

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed

Medicine pump

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

Medium pump adapted for ease of disassembly and assembly

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

Membrane pump comprising an inlet opening that is controlled...

Pumps – Expansible chamber type – Having separate noncyclic valve

Metering diaphragm pump having a front removable hydraulic refil

Pumps – Expansible chamber type – Pumping member position controlled port

Metering piston pump

Pumps – Expansible chamber type – Control by withdrawal or tilting of pump piston relative to...

Metering piston pump with piston-carried distributor for viscous

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

Metering pump

Pumps – Expansible chamber type – Pumping member position controlled port

Metering pump

Pumps – Expansible chamber type – Having means for holding pressure responsive distributor open

Metering pump

Pumps – Expansible chamber type – Inlet and discharge distributors at opposite ends of tubular...

Metering pump

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

Metering pump

Pumps – Expansible chamber type – Mechanically actuated distributor

Metering pump

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

Metering pump

Pumps – Expansible chamber type – Mechanically actuated distributor

Metering pump for highly viscous fillings

Pumps – Expansible chamber type – Mechanically actuated distributor

Metering pump system

Pumps – Expansible chamber type – Inlet and discharge distributors at opposite ends of tubular...

Metering pump wherein tubular pump is responsive to force impuls

Pumps – Expansible chamber type – Relatively movable serial distributors

Method and apparatus for compressing gas

Pumps – Expansible chamber type

Method and apparatus for delivering pressurized gas