Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
03/2003
03/26/2003CN2541625Y Multi-cylinder dual-function rotor type radial reciprocating pump
03/26/2003CN1405450A Liquid disharger and apparatus comprising said liquid discharger
03/25/2003US6538873 Active electrostatic seal and electrostatic vacuum pump
03/25/2003US6536213 Micromachined parylene membrane valve and pump
03/20/2003US20030053921 Bellows type pump or accumulator
03/20/2003US20030053089 Signal outputting apparatus and image forming apparatus
03/19/2003EP1293671A2 Peristaltic pump
03/19/2003CN2540524Y Massage bathtub pump with device for protecting when no water
03/19/2003CN1403282A Liquid drop spray head and ink-jet recording apparatus
03/18/2003US6533951 Method of manufacturing fluid pump
03/18/2003US6533560 Electromagnetic oscillating type pump and method for manufacturing the same
03/18/2003US6533553 Microfluidic pumping
03/14/2003WO2002023043A1 Method and device for conveying media
03/13/2003WO2002043615A3 Microfabricated elastomeric valve and pump systems
03/13/2003US20030049145 Hydraulically powered diaphragm pump with pretensioned diaphragm
03/12/2003EP1291524A2 Hydraulic diaphragm pump with prestressed diaphragm
03/12/2003EP1289660A1 High-performance system for parallel and selective dispensing of micro-droplets
03/12/2003EP1289658A2 Valve for use in microfluidic structures
03/12/2003CN1402649A Device and method for pumping high viscosity fluids
03/12/2003CN1401487A 信号输出装置及图象成形装置 Signal output means and an image forming apparatus
03/11/2003US6531417 Thermally driven micro-pump buried in a silicon substrate and method for fabricating the same
03/06/2003US20030042017 Submersible well pumping system with an improved hydraulically actuated switching mechanism
03/06/2003US20030041457 Optical switch
03/05/2003EP1288498A2 Diaphragm pump for a fuel cell
03/05/2003EP1286774A1 Device and method for manipulating small quantities of materials
03/05/2003EP1286710A1 Super absorbent driven dispenser
03/05/2003CN2538973Y Mushroom-type multi-core pulsating pump
03/05/2003CN1102736C Liquid discharging device
03/04/2003US6527745 Irrigation-aspiration apparatus
03/04/2003US6527518 Water-powered sump pump
02/2003
02/27/2003WO2003016719A1 A compact vacuum pump
02/27/2003US20030039563 Internally pressurized diaphragm positive displacement pump
02/27/2003US20030039561 Grease extraction using a fluid motivated pump
02/27/2003US20030039558 Fuel pump
02/26/2003EP1286157A2 Vibration analysis of sheet material
02/26/2003EP1284827A1 Diaphragm pump
02/26/2003EP1137885B1 Leachate and depollution pneumatic pump with sleeve valve
02/26/2003CN1399070A Multiple-cavity piezoelectric film driven pump
02/25/2003US6523454 Device for monitoring the integrity of a diaphragm
02/20/2003WO2002053290A3 Valves and pumps for microfluidic systems and method for making microfluidic systems
02/20/2003US20030035986 Diaphragm pump and anode stream recirculation system using such pump for a fuel cell
02/19/2003EP1283957A1 Micromachined fluidic device and method for making same
02/19/2003CN1397735A 管泵 Tube pump
02/19/2003CN1397734A Small pump, cooling system and portable instrument
02/18/2003US6520936 Method and apparatus for infusing liquids using a chemical reaction in an implanted infusion device
02/18/2003US6520753 Planar micropump
02/18/2003US6520747 System for measuring change in fluid flow rate within a line
02/18/2003US6520477 This invention is directed to a microelectromechanical valve having two or more diaphragms containing non-aligned holes to control the flow of fluids. Fluid flows through the holes in the first diaphragm and then must flow between the first and
02/18/2003US6520385 Pump including a spring-forming diaphragm, and a receptacle fitted therewith
02/13/2003WO2003011471A1 Peristaltic machine for depositing viscous materials
02/13/2003WO2003011376A2 Apparatus and method for regulating fluid pump pressures
02/13/2003WO2003011365A1 A fluid pressure generating means
02/13/2003US20030031590 Capable of easily determining the amount of recirculation in a patient undergoing dialysis treatment
02/13/2003US20030031573 Personal air sampling system and pump for use therein
02/13/2003US20030031572 Personal air sampling system and pump for use therein
02/13/2003US20030031571 Pump provided with diaphragms
02/13/2003US20030031565 Method for the control and regulation of the oil pressure-gas pressure relationship of diaphragm compressors
02/13/2003US20030029476 Methods for using a ring vortex
02/13/2003CA2437080A1 Peristaltic machine for depositing viscous materials
02/13/2003CA2419809A1 A fluid pressure generating means
02/11/2003US6517329 Switching means supplies alternating current to both first and second coils to supply aeration air into septic tank, and temporarily supplies, in response to control signal from timer, current to only one coil to supply reverse cleaning air
02/06/2003US20030026719 Handling and delivering fluid through a microchannel in an elastic substrate by periodically squeezing selective portions of the microchannel
02/06/2003US20030026713 Pump
02/06/2003US20030025129 Handling and delivering fluid through a microchannel in an elastic substrate by progressively squeezing the microchannel along its length
02/05/2003CN2534389Y Ultramicro hydraulic electronic pump
02/04/2003US6514177 Inhaling apparatus compressor with improved diaphragm assembly
02/04/2003US6513504 Structure for mounting fuel pump to engine
02/04/2003CA2122673C Air operated double diaphragm pump
01/2003
01/30/2003WO2003008804A2 Magnetically actuated pump
01/30/2003WO2003008076A1 Dual head pump driven membrane system
01/30/2003US20030021710 Tube pump
01/30/2003US20030021707 Diaphragm pump
01/30/2003US20030019833 Microfabricated elastomeric valve and pump systems
01/30/2003CA2492777A1 Dual head pump driven membrane system
01/29/2003EP1279832A2 Transfer of fluid through a microchannel in an elastic substrate by periodically squeezing selective portions of the microchannel
01/29/2003EP1279436A2 Handling and delivering fluid through a microchannel in an elastic substrate by progressively squeezing the microchannel along its length
01/29/2003EP0951617B1 Micropump with a built-in intermediate part
01/29/2003CN2533293Y Coiled pipe extrusion pump
01/29/2003CN2533292Y Multi-roller extrusion pump
01/29/2003CN1393638A Device for draining fluid
01/23/2003US20030017066 Apparatus, flexible bag and method for dispensing
01/23/2003US20030017063 Miniature pump, cooling system and portable equipment
01/23/2003US20030017056 Pump having flexible liner and merchandiser having such a pump
01/22/2003EP1277958A2 Tube pump
01/22/2003EP1277957A2 Miniature pump, cooling system and portable equipment
01/22/2003CN2532273Y Flow regulator for creep pump
01/22/2003CN2532271Y Displacement pump for feeding material
01/21/2003US6508947 Method for fabricating a micro-electro-mechanical fluid ejector
01/21/2003US6508411 Method of driving liquid-drop spraying device
01/21/2003US6508310 Bladder-type sampling pump controller
01/16/2003WO2002038204A3 Occlusion detection method and system for ambulatory drug infusion pump
01/16/2003US20030012668 Pneumatic reciprocating pump
01/16/2003US20030012666 Pump
01/16/2003US20030012657 Devices employing colloidal-sized particles
01/15/2003EP1275507A1 Liquid drop jet head and ink jet recording apparatus
01/15/2003EP1152869B1 Pump device
01/14/2003US6507682 Optical switch
01/14/2003US6506035 Roller for peristaltic pumps having a plurality of projections to minimize current draw
01/14/2003US6506033 Miniature pump with ball-plate drive
01/14/2003US6505691 Subsea mud pump and control system
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