1
Rishton Michael L, Federico Armando: Safety connector for balloon pump. Avco Corporation, March 13, 1973: US3720199 (118 worldwide citation)

An intra aortic balloon catheter assembly for use in a circulatory assist system which includes a special connector for joining a balloon implanted in the patient to a control console which may house both pneumatic and electronic controls. The connector is adapted to provide a signal which indicates ...


2
Brian Tracey, Larry B Gray, Jason A Demers, James D Dale, N Christopher Perry, Michael J Wilt, Scott A Leonard: Fluid pumping systems, devices and methods. DEKA Products Partnership, Wolf Greenfield & Sacks P C, October 23, 2012: US08292594 (82 worldwide citation)

Certain types of reciprocating positive-displacement pumps (which may be referred to hereinafter as “pods,” “pump pods,” or “pod pumps”) are used to pump fluids, such as a biological fluid (e.g., blood or peritoneal fluid), a therapeutic fluid (e.g., a medication solution), or a surfactant fluid. Th ...


3
Robert W Pekar: Elastomeric air pump. Dielectrics, Chapin Neal & Dempsey, December 24, 1991: US05074765 (82 worldwide citation)

An air pump formed of a resilient elastomeric material bondable about the perimeter of an opening provided in a plastic inflatable bladder, has a self-supporting spherical dome portion and a generally planar base portion. An inlet flapper type valve is integrally formed in a wall of the dome and an ...


4
McAlister Roy E: Vapor pressurized hydrostatic drive. March 14, 1972: US3648458 (71 worldwide citation)

A hydrostatic drive system generally of the type wherein vapor is alternately directed into one of two reservoir tanks so that working fluid in that tank is forced out of the tank by pressure of the vapor and through a fluidic motor to generate a mechanical output before it returns to refill the oth ...


5
James H Dorsey III, Joe E West: Infinitely variable pneumatic pulsatile pump. American Hydro Surgical Instruments, Malin Haley DiMaggio & Crosby, January 30, 1996: US05487649 (64 worldwide citation)

A pulsatile pump the output of which is infinitely variable between a slow pulsatile flow and increased up to a sharply pulsed flow rate until the pulses run together and a smooth flow results, and which may be varied between wide output pressure and frequency limits. The pump is comprised of a pneu ...


6
Thomas W Hamilton: Membrane pump. Brisebois & Kruger, May 11, 1976: US03955901 (62 worldwide citation)

An air pressure-operated membrane pump for pumping a liquid comprises a housing including a chamber which is divided into liquid and air compartments by a floppy flexible membrane extending across it. The air compartment has an air inlet and outlet connected by a duct to the throat of a venturi to w ...


7
Heinz Schippers, Siegfried Hertell: Control apparatus for a positive displacement reciprocating pump. Barmag Barmer Maschinenfabrik, Bell Seltzer Park & Gibson, March 10, 1987: US04648810 (55 worldwide citation)

A positive displacement reciprocating pump for conveying a liquid or gaseous fluid is disclosed and which comprises a fluid enclosure having a movable piston means mounted therein which sealably divides the enclosure into a pumping chamber on one side and an actuating chamber on the other side. The ...


8
Ludwig K Holtermann, Jodie D Haupt, Samuel R Hanford: Fluid metering pump. The Lee Company, Philip J Lee, February 8, 1994: US05284425 (51 worldwide citation)

A pump for dispensing accurately measured amounts of fluid has a one way check valve in the flow path on the upstream side of a pump chamber and a one way check valve in the flow path at the downstream side of the pump chamber which is of variable internal volume. A flow passage provides fluid commu ...


9
Jason A Demers, Michael J Wilt, Kevin L Grant, James D Dale, Brian Tracey: Pumping cassette. DEKA Products Partnership, Wolf Greenfield & Sacks P C, November 27, 2012: US08317492 (48 worldwide citation)

A pumping cassette including a housing having at least two inlet fluid lines and at least two outlet fluid lines. At least one balancing pod within the housing and in fluid connection with the fluid paths. The balancing pod balances the flow of a first fluid and the flow of a second fluid such that ...


10
Caldwell Kenneth: Improvements in or relating to pumps. Caldwell Kenneth, April 16, 1986: GB2165439-A (43 worldwide citation)

Pump means (10, 40, 50), locatable in or forming part of a footwear or clothing article, comprises wall means (15; 41; 50A) defining an enclosed space, and inlet means (13) leading to said space for permitting entry of air into said space and including a non-return valve (53) outlet means (18; 44; 5 ...