Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
02/1995
02/22/1995CN1099103A Double diaphragm pump having two-stage air valve actuator
02/21/1995US5391060 Air operated double diaphragm pump
02/21/1995CA1334494C Variable displacement diaphragm pump
02/16/1995WO1995004886A1 Peristaltic pump housing
02/16/1995CA2168854A1 Peristaltic pump cassette
02/15/1995EP0638322A1 Roller pump
02/14/1995US5388972 Peristaltic pump with removable tubing of precise length
02/07/1995US5387088 Peristaltic pump tube loading assembly
02/01/1995EP0636379A1 Disposable blood washing and apheresis device
01/1995
01/31/1995US5385540 Clinical multi-fluid pumping system
01/24/1995US5383839 External plate valves for controlling blood flow through a shunt of a cardiopulmonary bypass pump
01/19/1995DE4323851A1 Shaft-driven rotor of a roller hose pump, in particular a three-roller hose pump
01/18/1995EP0634223A1 Improved liquid suction and exhaust device and apparatus for dispersing liquid comprising such a device
01/11/1995EP0632698A1 Inflation mechanism for an inflatable article of manufacture
01/10/1995US5380396 Valve and semiconductor fabricating equipment using the same
01/10/1995US5380173 Peristaltic pump
01/10/1995US5380172 Peristaltic action precision pump filler
01/10/1995US5380164 Two-stage pump for a continuous ink jet printer
01/04/1995CN2186808Y Corrosion and sand resistance diaphragm type pump
01/04/1995CN1097062A Method and equipment for dosing small amounts of liquid quantitatively
01/03/1995US5378122 Air driven diaphragm pump
01/03/1995US5378120 Ultrasonic hydraulic booster pump and braking system
01/03/1995US5377719 Pneumatic valve, particularly for control of compressed-air-operated membrane pumps
01/03/1995US5377708 Apparatus for processing wafers
12/1994
12/28/1994EP0630444A1 A pump, control valve and diaphragm.
12/27/1994US5375984 Peristalitic pump
12/27/1994US5375983 For use as an energy source
12/27/1994US5375982 Radial pump
12/27/1994US5375634 Variable mass flow rate fluid dispensing control
12/22/1994WO1994029594A1 Pump diaphragm
12/22/1994WO1994029593A1 Pump diaphragm
12/22/1994WO1994029033A1 Hydraulic pumping device
12/13/1994US5372573 Blood flow
12/13/1994US5372486 Peristaltic pump
12/08/1994WO1994028309A1 Innovative pumping system for peristaltic pumps
12/08/1994WO1994027657A1 Artificial heart pump
12/08/1994DE4318297A1 Hydraulically actuated diaphragm pump
12/07/1994EP0627555A1 Device for pumping by a diaphragm pump operated by a hydraulic circuit
12/07/1994EP0626905A1 Chemically resistant diaphragm.
12/06/1994US5371828 System for delivering and vaporizing liquid at a continuous and constant volumetric rate and pressure
12/06/1994US5370510 Liquid metering system
12/06/1994US5370507 Reciprocating chemical pumps
11/1994
11/30/1994EP0626518A1 Pump membrane
11/29/1994US5368452 Double diaphragm pump having two-stage air valve actuator
11/29/1994US5368451 Metering pump
11/29/1994US5367878 For providing motion at a high repetition rate
11/24/1994WO1994027048A1 Rotary machine for delivering liquids or gases
11/24/1994WO1994026432A1 An endoscope cleaner/sterilizer
11/24/1994WO1994026324A1 Procedure and device for establishing and maintaining patency of draining tubing
11/23/1994EP0625639A1 Pump
11/23/1994CN1095452A A pressure dispensing pump
11/22/1994US5366351 Pump with failure responsive discharge valve
11/22/1994CA1333134C Dual diaphragm apparatus with diaphragm assembly and rupture detection methods
11/17/1994EP0624729A1 Air operated double diaphragm pump
11/17/1994EP0624084A1 Cardiac assist apparatus
11/17/1994DE4315648A1 Pump for delivering free-flowing materials, such as concrete or a concrete/water mixture
11/15/1994US5364371 Intravenous fluid delivery device
11/15/1994US5364242 Pump apparatus and method including double activation pump apparatus
11/15/1994US5364234 High pressure devices
11/10/1994DE4314968A1 Diaphragm for a pump
11/09/1994EP0623746A1 Peristaltic pump and a humidity control system and an incubator using such a pump
11/08/1994US5362213 Micro-pump and method for production thereof
11/08/1994US5362212 Air driven diaphragm pump
11/08/1994US5361800 Liquid pump and vaporizer
11/02/1994EP0622623A2 Sampler
11/02/1994EP0621791A1 Intravenous fluid delivery system with air elimination
11/02/1994EP0420912B1 Peristaltic voltage block
10/1994
10/27/1994WO1994024437A1 Membrane type fluid pump
10/26/1994EP0620913A1 Method and equipment for dosing small amounts of liquid quantitatively
10/25/1994US5357991 Gas phase semiconductor processor with liquid phase mixing
10/25/1994US5357827 Torque compensated cam assembly and method
10/19/1994EP0619859A1 Peristaltic pump having means for reducing flow pulsation.
10/18/1994US5356267 Peristaltic pump with removable collapsing means and method of assembly
10/11/1994US5354186 Machine balancer with peristaltic fluid pump
10/11/1994US5353837 Quick-disconnect valve
10/04/1994US5351862 Dispensing pump for media of low viscosity, especially paste-like media
10/04/1994US5351710 Inflation mechanism for inflatable article of manufacture
09/1994
09/29/1994WO1994021918A1 Flexible tube pump
09/29/1994DE4309380A1 Method for monitoring a system
09/29/1994CA2156827A1 A pump
09/28/1994EP0542783B1 Dispensing process and apparatus particularly for a sealing/adhesive product
09/27/1994US5350284 Peristaltic pump
09/27/1994US5349896 Pump diaphragm
09/27/1994US5349852 Pump controller using acoustic spectral analysis
09/21/1994CN2177819Y Air cushion type jet pump
09/15/1994WO1994020157A1 Automated peritoneal dialysis system with detector for recognition of empty supply reservoir and tubing occlusion
09/14/1994CN2177107Y Cylindrical jacketed cavity diaphragm pump
09/13/1994US5346372 Fluid flow regulating device
09/13/1994US5346369 Bilge pump actuated by wave motion
09/13/1994CA2032483C Peristaltic pump
09/09/1994CA2117248A1 Bellows pump
09/07/1994CN2176451Y Liquid cyphon pump
09/06/1994US5344292 Fluid pumping system and apparatus
09/06/1994CA1331849C Pneumatic valve designed to control particularly a compressed-air-operated membrane pump
09/01/1994WO1994019609A1 Displacement pump of diaphragm type
08/1994
08/30/1994US5342182 Self regulating blood pump with controlled suction
08/30/1994US5342181 Single roller blood pump and pump/oxygenator system using same
08/30/1994US5342180 Pump mechanism having a drive motor with an external rotor
08/23/1994US5340290 Double feed peristaltic pump
08/23/1994CA1331591C Metering and spray pump for liquid and low-viscosity substances