Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
12/1977
12/20/1977US4064006 Method for the continuous mass in vitro suspension culture of cells
11/1977
11/29/1977US4060348 Roller pump carrying out alternate pumping operations, particularly suited to extra-corporeal blood circulation
11/29/1977US4060178 Metering pump
11/01/1977US4056333 Intravenous feeding pump failure alarm system
10/1977
10/18/1977US4053952 Magnetic fluid actuated control valve, relief valve and pump
10/11/1977US4053089 Pump for dispensing liquids
10/04/1977US4051814 High pressure washer
09/1977
09/27/1977US4050861 Diaphragm pump
09/27/1977US4050859 Diaphragm pump having a reed valve barrier to hydraulic shock in the pressurizing fluid
09/20/1977US4049366 Diaphragm pump
09/13/1977US4047851 Bellows type expansible chamber pump having separate biasing means
09/13/1977US4047850 Proportioning pump with pneumatic distributor
09/13/1977US4047849 Pneumatic pulsator pumping system with pulsator fluid venting valve
09/13/1977US4047844 Blood pumping system
08/1977
08/23/1977US4043712 Adjustable roller pump assembly
08/02/1977US4039269 Flexible tube pump having linear cam actuation of distributor means
07/1977
07/12/1977US4035107 Pump system for high pressure abrasive liquids
07/05/1977US4033487 Double trigger pump
06/1977
06/28/1977US4032445 Liquid chromatography pumping system with compensation means for liquid compressibility
06/14/1977US4029441 Tubing means for roller pump
05/1977
05/24/1977US4025241 Peristaltic pump with tube pinching members capable of biasing the tubing away from the pump rollers
05/17/1977US4023468 Blood pump stroke volume limiter
05/10/1977US4022381 Airless spray apparatus
05/03/1977US4021164 Pump having reciprocating pumping means
05/03/1977US4021157 Diaphragm pumps driven by pulse pistons
05/03/1977US4021149 Fluid driven reciprocating pump
05/03/1977US4021148 Hydraulic fluid devices
04/1977
04/26/1977US4019838 Air pressure-actuated double-acting diaphragm pump with means to produce a selected start-up position
04/26/1977US4019837 Pressure unloading apparatus for a diaphragm pump
04/26/1977US4019395 Piston drive assembly
04/05/1977US4015914 Metering pump wherein tubular pump is responsive to force impulses
04/05/1977US4015913 Diaphragm air pump
04/05/1977US4015590 Balloon activated blood pump
03/1977
03/29/1977US4014318 Circulatory assist device and system
03/22/1977US4013074 Implantable medication-dispensing device
03/15/1977US4012178 Hydraulic pump with replaceable pumping member
03/15/1977US4012177 Blood pump tube element
03/15/1977US4012176 Fluid-driven motor and fertilizer feeding device utilizing same
03/08/1977US4011474 Piezoelectric stack insulation
02/1977
02/22/1977US4008984 Pump apparatus
02/22/1977US4008710 Blood pump
02/15/1977US4008009 Fuel injection pump
02/15/1977US4008008 Pumps
01/1977
01/25/1977US4004865 Pump with yieldable radial partitions and rotatable side plates
01/18/1977US4003679 High pressure pump with metering
12/1976
12/28/1976US3999899 Diaphragm fluid pump
12/28/1976US3999896 Continuously operating piston pump
12/28/1976US3999891 Pump using spaced sequential displacements along a flexible tube
12/21/1976US3998103 Metering apparatus and method
12/07/1976US3995776 Direct finger actuated pump
12/07/1976US3995774 Liquid dispenser having deformable diaphragm type pump
11/1976
11/30/1976USRE29055 Pump and method of driving same
11/30/1976US3994687 Peristaltic dilutor system and method
11/23/1976US3993054 Therapeutic lavage
11/09/1976US3990815 Flow control device
11/09/1976US3990444 Blood transfusion apparatus
11/09/1976US3990313 Method and apparatus for serial dilutions
10/1976
10/26/1976US3987938 Dispensing pump
10/26/1976US3987790 Osmotically driven fluid dispenser
10/19/1976US3986644 Dispensing pump
10/19/1976US3986354 Method and apparatus for recovering low-temperature industrial and solar waste heat energy previously dissipated to ambient
10/12/1976US3985113 Primer system for rotary combustion engine
09/1976
09/21/1976US3981633 Pump
09/21/1976US3981632 Metering pump
09/07/1976US3979023 Dispenser for flowable material
08/1976
08/31/1976US3977192 Hydraulic drive pulsator of reciprocating action
08/24/1976US3976402 Intravenous delivery pump
08/24/1976US3976401 Pump for abrasive slurries and the like
08/17/1976US3975119 Diaphragm pump having auxiliary chamber
08/17/1976US3974825 Remote electrical monitoring of gas activated blood pumps
08/10/1976US3973700 Bellows pump with extension having integral valves
08/10/1976US3973310 Method of and an apparatus for filling membrane cassettes
08/03/1976US3972656 Fuel pump having pulsating chambers
08/03/1976US3972654 Diaphragm pump boiler feed water system
08/03/1976US3972649 Method of peristaltic pumping and device for working by such method
07/1976
07/06/1976US3967917 Process and equipment for lifting secondary liquids with the energy of primary liquids
07/06/1976US3967606 Fuel pump for internal combustion engines
06/1976
06/29/1976US3966358 Pump assembly
06/29/1976US3965758 Controllable pumps
06/22/1976US3964479 Extracorporeal blood circulation system and drip chamber with adjustable blood level
06/22/1976US3964467 Methods and apparatus for augmentation of the production of anti-bodies in animals and humans and the collection thereof
06/15/1976US3963380 Micro pump powered by piezoelectric disk benders
06/15/1976US3963377 Pneumatically powered pump system
06/15/1976US3963023 Extracorporeal blood circulation system and pump
06/08/1976US3961863 Water action powered pump
06/08/1976US3961860 Proportioning pump
06/01/1976US3960466 Douche-enema pump
05/1976
05/18/1976US3957401 Fluid pump assembly
05/18/1976US3957399 Diaphragm pump
05/11/1976US3955902 Flexible tube pump
05/11/1976US3955901 Membrane pump
05/11/1976US3955557 Blood pump for use in an artificial heart or such purpose
05/04/1976US3954352 Diaphragm vacuum pump
04/1976
04/27/1976US3953154 Pressure control and unloader valve
04/20/1976US3951572 Apparatus for pumping cement slurry
04/20/1976US3951571 Constant pressure pump
04/20/1976US3951570 Pumping unit for extracorporeal haematic circulation, in particular in artificial kidneys
04/06/1976US3948589 Primer valve
04/06/1976US3948420 Elastomeric pumps
03/1976
03/30/1976US3947156 Diaphragm pump, particularly for the generation of vacuum