Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 43 - Machines, pumps, or pumping installations having flexible working members
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
09/1990
09/26/1990EP0388596A1 Pump tube for a peristaltic pump
09/26/1990EP0332690A4 Enhanced pressure measurement flow control system
09/26/1990CN1045634A Cartridge for peristaltic pump with flexible tube, and peristaltic pump filled with such cartridge
09/21/1990CA2011180A1 Extraction system with a pump having an elastic rebound inner tube
09/20/1990WO1990010792A1 Case for a deformable tube peristaltic pump and peristaltic pump provided with such a case
09/20/1990WO1990010791A1 Peristaltic pump
09/19/1990EP0388269A1 Cassette for a peristaltic pump with a resilient tube, and peristaltic pump with such a cassette
09/19/1990EP0388199A2 Dosing pump system
09/19/1990EP0245386B1 Vibratory pump
09/18/1990CA1274119A1 Squeeze pump
09/13/1990DE4001815A1 High-pressure reciprocating pump - is used in vehicle and uses fluid motor to drive control valve
09/12/1990EP0386754A1 Diaphragm pump with a freely oscillating metal diaphragm
09/12/1990EP0386610A1 Constant output pump
09/12/1990CN2061988U Portable siphon type fuel feeding device
09/07/1990CA2011441A1 Constant output pump
09/04/1990US4954055 Variable roller pump tubing
09/04/1990US4954046 Peristaltic pump with mechanism for maintaining linear flow
08/1990
08/29/1990CN2061217U Hand - pinching liquid - sucking device
08/28/1990US4952372 Peristaltic pump to control delivery
08/28/1990US4952124 Medicine injector and method of using same
08/23/1990DE3905104A1 Liquid pump
08/22/1990EP0383617A1 Surgical soap dispenser
08/22/1990EP0382847A1 Power drive
08/22/1990CN2060824U Negative pressure fuel evacuating device for vehicles
08/21/1990US4950136 Peristaltic pump
08/21/1990US4950134 Precision liquid dispenser
08/21/1990CA1272921A1 Parenteral solution diaphragm pump
08/16/1990EP0381835A1 Process and device for controlling a pressurised-air-actuated double diaphragm pump
08/15/1990CN2060478U Domestic energy-saving pump
08/14/1990US4948350 Hose pump
08/09/1990WO1990008898A1 Positive-displacement pump
08/08/1990EP0380922A2 Diaphragm pump
08/08/1990CN1044517A Pulsating work cavity
08/07/1990US4946070 Surgical soap dispenser
08/01/1990EP0307403B1 Ink writing head with piezoelectrically excitable membrane
08/01/1990CN1009022B 挤压泵 Extrusion pump
08/01/1990CN1009021B Squeeze pump
07/1990
07/31/1990US4944659 Implantable piezoelectric pump system
07/26/1990WO1990008260A1 Magnetically actuated positive displacement pump
07/24/1990CA1271953A1 Pressure limiter for a downhole pump and testing apparatus
07/23/1990CA2008163A1 Magnetically actuated positive displacement pump
07/17/1990CA1271666A1 Pressure sensor for use in a diaphragm pump
07/12/1990WO1990007648A1 Diaphragm pump
07/11/1990CN2059190U Portable hand oil pump
07/11/1990CN2059189U Air pressure suction tube
07/11/1990CN2059188U Multi-functional shell-changing pump by man power or electricity
07/10/1990US4940399 Piston cap and boot seal for a medication infusion system
07/04/1990EP0376497A1 Precision liquid dispenser
07/04/1990EP0375848A1 Dosing pump
07/04/1990CN2058938U Manual liquid pump
07/03/1990US4939405 Piezo-electric vibrator pump
07/03/1990US4938742 Piezoelectric micropump with microvalves
06/1990
06/29/1990CA2006866A1 Diaphgram pump
06/28/1990WO1990006781A1 Fluid flow control apparatus
06/27/1990EP0374618A1 Infusion pump
06/26/1990US4936834 Apparatus for aspirating secreted fluids from a wound
06/26/1990US4936760 Volumetric infusion pump
06/26/1990US4936758 Diaphragm pump
06/26/1990US4936753 Diaphragm pump with interchangeable valves and manifolds
06/20/1990EP0374115A1 Positive displacement pump
06/20/1990CN2058431U Pulsated double-layer combined low-pressure working chamber
06/20/1990CN1043191A Positive displacement pump
06/19/1990US4934995 Blood component centrifuge having collapsible inner liner
06/19/1990US4934906 For moving a transient fluid
06/19/1990US4934902 Failure sensing device for a diaphragm pump
06/14/1990WO1990006443A1 A machine for transforming pressure or potential energy of a fluid into mechanical work
06/13/1990CN2058214U Flow-adjustable diapbragm pump
06/13/1990CA2005465A1 Fluid flow control apparatus
06/08/1990CA2004665A1 Positive displacement pump
06/06/1990CN2057966U Portable multifunction liquid sucker
06/06/1990CN1042756A Electronic-controlled double-direction magnetic driving reciprocating pump
06/05/1990US4931000 Double acting diaphragm air pump
06/05/1990CA1270027A1 Piezoelectric fluid pumping apparatus
05/1990
05/31/1990DE3840259A1 Hose pump
05/29/1990US4928390 Chain saw
05/23/1990CN2057482U Siphon pump
05/23/1990CN2057471U Fully sealed strong corrosion-resistant pump
05/23/1990CN2057470U Fluid driven diaphragm pump
05/22/1990CA1269279A1 Hydraulic paint pump
05/16/1990EP0367988A1 Diaphragm pump
05/16/1990CN2057230U 隔膜泵 Diaphragm
05/16/1990CN1042219A Method for fitting diaphragm into bellows pump
05/15/1990US4925377 Pump
05/15/1990US4925376 Peristaltic pump with tube holding mechanism
05/15/1990CA1268991A1 Dual roller peristaltic pump
05/09/1990CN2056944U Pulsate-type low-pressure waking cavity
05/08/1990US4923612 Fluid recovery and transfer system
05/08/1990US4923375 Hose pump, in particular an insulin pump
05/03/1990DE3908280A1 Pump appliance
05/02/1990EP0365805A2 A device for the control of flow and a high pressure pump
05/02/1990EP0365629A1 Braking pressure regulating system.
04/1990
04/25/1990EP0322594B1 Hose pump
04/19/1990WO1990004106A1 Double acting bellows-type pump
04/19/1990WO1990004105A1 Self-enclosed filter pumping system
04/18/1990EP0191071B1 Device for pumping liquids which are highly sensitive to mechanical strains
04/18/1990CN1041426A Maintenance free, positive displacement pump
04/17/1990US4917579 Transporter pump
04/17/1990CA1267810A1 Fuel/oil pump
04/12/1990DE3833833A1 Pump
04/11/1990EP0362822A2 Disposable vacuum/peristaltic pump cassette system
1 ... 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 ... 132