Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
03/2001
03/20/2001US6203291 Displacement pump of the diaphragm type having fixed geometry flow control means
03/20/2001US6203289 Hydraulic alternating volumetric pumping system
03/15/2001WO2001018396A1 Programmable, fluid pressure actuated blood processing systems and methods
03/15/2001WO2001018395A1 Systems and methods for control of pumps
03/15/2001WO2001018394A1 Apparatus for metering agricultural chemicals
03/15/2001WO2001017607A1 Blood processing systems and methods with on-line mixing of replacement fluids
03/15/2001WO2001017604A1 Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions
03/15/2001WO2001017588A1 Uninterrupted flow pump apparatus and method
03/15/2001DE19943121A1 Dosing device for precise dispensing of small fluid quantities has an arrangement of two pumps connected to a controller so that the outlet of one pump and the suction of the other pump are connected to a dispensing pipette
03/15/2001CA2347038A1 Blood processing systems and methods with on-line mixing of replacement fluids
03/14/2001EP1082515A1 Offshore drilling system
03/14/2001EP0898652A4 Amplified pressure air driven diaphragm pump and pressure relief valve therefor
03/08/2001WO2001016488A1 Method and apparatus for controlling a pump
03/08/2001WO2001016486A1 Peristaltic pump
03/08/2001WO2000062838A3 Hydro elastic pump which pumps using non-rotary bladeless and valveless operations
03/08/2001DE19941262A1 Electrohydraulic actuator has metal or plastic actuator housing, folding bellows whose spring effect under adjustment cylinder action is used for bias adjustments
03/07/2001EP0666963B1 Peristaltic pump
03/06/2001US6197526 Polypeptides for binding human factor VIII and fragments of human factor VIII
03/06/2001US6197000 Injection system, pump system for use therein and method of use of pumping system
03/06/2001US6195887 Volumetric infusion pump
03/01/2001WO2001014744A1 Membrane pump
03/01/2001DE19938239A1 Micropump for liquid feeding and dosing e.g. for ink jet printer, has annular displacement space defined in part by piezoelectric tube acting as a micromechanical transducer
03/01/2001DE10024073A1 Variable pump for internal combustion engine mechanical fuel injection system has element whose displacement in negative direction is limited as function of movable stop element position
02/2001
02/28/2001EP1077735A1 A fluid delivery mechanism
02/28/2001CN1285899A Diaphragm pump with modified valves
02/27/2001USRE37074 Pumping device having inlet and outlet valves adjacent opposed sides of a tube deforming device
02/27/2001US6193480 System and method for increased flow uniformity
02/22/2001WO2001013030A2 Pressure processing a pumpable substance with a flexible membrane
02/22/2001WO2001012990A1 Diaphragm pump
02/22/2001CA2384630A1 Diaphragm pump
02/21/2001EP1077331A2 Liquid drop spraying apparatus
02/21/2001EP1077330A1 Pump
02/21/2001EP1077140A1 Stencil printer
02/20/2001US6190565 Dual stage pump system with pre-stressed diaphragms and reservoir
02/20/2001US6190136 Diaphragm failure sensing apparatus and diaphragm pumps incorporating same
02/20/2001US6189736 Condiment dispensing apparatus
02/20/2001US6189433 Pneumatically driven bellows pump
02/20/2001CA2134207C Automated peritoneal dialysis system with detector for recognition of empty supply reservoir and tubing occlusion
02/15/2001WO2001011238A1 Compact dual pump
02/14/2001EP1075582A2 Subsea mud pump
02/14/2001EP0823023B1 Double-acting pump
02/14/2001CN2419391Y Self sucking pump
02/13/2001US6186752 Peristaltic pumping apparatus with tubing organizer
02/13/2001CA2229030C Diaphragm pump and pump mounted in a carrying case useful in breast pumping
02/13/2001CA2184568C Inert plastic coated flexible type diaphragm for application in a sanitary type pump
02/13/2001CA2035539C Vapour transfer pump
02/08/2001WO2001009510A2 Diaphragm pumps
02/07/2001CN2418270Y Anti-corrosion wear-resisting flexible-tube pump
02/06/2001US6183223 Chemical supply system with a pair of bellows connected in series for pumping a fluid
02/06/2001US6182463 Portable evaporative cooling apparatus
02/06/2001CA2199405C System for increasing flow uniformity
02/01/2001DE10027447A1 Fluidic peristaltic drive to produce translatory advance movement for therapy and diagnostic purposes consists of highly flexible cylindrical body with jacket containing fluid-filled hollow chambers deformed by fluid pressure variation
01/2001
01/31/2001EP1072868A1 Dosing device for liquids
01/31/2001EP1072794A2 Multi - Diaphragm actuator
01/31/2001EP1071862A1 Rotating subsea diverter
01/30/2001US6180061 Moving platform, plurality of heating stations moving with platform, each heating station adapted to support at least one microscope slide bearing a biological sample and comprising a heating element, and electronic control for heater
01/30/2001US6179586 Dual diaphragm, single chamber mesopump
01/30/2001US6179584 Microejector pump
01/30/2001US6178951 Direct injection fuel pump for engine with controlled ignition and injection system comprising same
01/30/2001CA2179722C Pump incorporating regulated venting means
01/25/2001WO2001006579A2 Pre-strained electroactive polymers
01/25/2001WO2001006575A1 Improved electroactive polymers
01/24/2001EP1070670A1 Diaphragm pump and container incorporating the same
01/23/2001CA2199406C Engineered pumping segment
01/19/2001CA2314824A1 Diaphragm pump and container so equipped
01/18/2001WO2001004584A1 Dosing device for liquids
01/17/2001EP1068453A1 Injection pump for dye dispensing machine
01/17/2001EP1068451A1 Diaphragm pump and pump for double-breast pumping
01/17/2001CN1280546A Device for pneumatic transport of material such as concrete
01/17/2001CN1280250A Piezoelectric ceramic pamp with three-way type inlet and outlet
01/16/2001US6174144 Diaphragm piston pump
01/16/2001US6174136 Pump control and method of operating same
01/16/2001US6173959 Diaphragm-holding synthetic resin assembly
01/09/2001US6171082 Peristaltic pumping mechanism
01/09/2001US6171081 Fuel pump assembly
01/04/2001WO2001001025A2 Microfabricated elastomeric valve and pump systems
01/03/2001EP1065380A1 DC-Motor control circuit for a diaphragm pump
01/03/2001EP1065378A2 Microfabricated elastomeric valve and pump systems
01/03/2001EP1064463A1 Keyed cassette for dispensing pump
01/02/2001US6168397 Flexible tube of squeeze pump
01/02/2001US6168395 Bistable microactuator with coupled membranes
01/02/2001US6168394 Air driven double diaphragm pump
01/02/2001US6168392 Air pump
12/2000
12/28/2000WO2000079671A1 Linear motor
12/28/2000WO2000079130A1 Vibratory pump improvement
12/28/2000WO2000078377A1 Mechanically operated liquid pump
12/28/2000DE19928131A1 Mechanically driven pump, in particular, for delivery of medicinal and physiological feed liquids comprises a bag for the liquid, a delivery line, and a mechanism for applying pressure to the bag
12/28/2000CA2374351A1 Linear motor
12/26/2000US6164933 Method of measuring a pressure of a pressurized fluid fed through a diaphragm pump and accumulated in a vessel, and miniature pump system effecting the measurement
12/26/2000US6164932 Aquarium pump for use both as an air pump and a water pump and aquarium apparatus with a passage aquarium
12/26/2000US6164921 Curvilinear peristaltic pump having insertable tubing assembly
12/26/2000US6164767 Ink jet recording apparatus having a driving wheel mechanism for pressurizing tubes of a tube pump
12/21/2000WO2000022299A3 Linear peristaltic pump with reshaping fingers interdigitated with pumping elements
12/21/2000DE19925508A1 Leak detection unit for membrane leaks, comprises an electrical conductor over at least one membrane, and a conductivity measurement unit.
12/20/2000EP0961655B1 Microdosing device and method for its operation
12/19/2000US6162027 Fluid driven pump and portioning check valve
12/14/2000WO2000075516A1 High pressure pump with filler cap
12/14/2000WO2000075515A1 High pressure pump with improved hub
12/14/2000WO2000075514A1 High pressure pump with improved sealing
12/14/2000WO2000075513A1 Improved high pressure pump
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