Patents
Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
01/2000
01/13/2000DE19829084A1 Membrane pump, especially membrane metering pump
01/11/2000US6013057 Volumetric infusion pump
01/06/2000WO2000000743A1 Membrane pump and membrane therefor
01/05/2000EP0969208A1 Diaphragm pump
01/05/2000DE4309380C2 Verfahren zur Überwachung eines Systems Method for monitoring a system
01/05/2000DE19844163C1 Dosed pumping method for fuel, lubrication oil, alcohol or water
12/1999
12/29/1999EP0966609A1 Micromembrane pump
12/29/1999EP0690961B1 Peristaltic pump module having jaws for gripping a peristaltic pump tube cassette
12/29/1999CN2356161Y Hand pump for liquid split charging
12/29/1999CA2276848A1 Diaphragm pump
12/28/1999US6007309 Micromachined peristaltic pumps
12/23/1999WO1999066628A1 Magnetic actuator
12/23/1999WO1999066204A1 Diaphragm pump and device for controlling same
12/23/1999DE19848215C1 Hose pump, esp. for ink printer
12/23/1999DE19827293A1 Piezoelectric hydraulic pump for delivering fuel
12/23/1999DE19826610A1 Membranpumpe und Vorrichtung zur Steuerung derselben Membrane pump, and means for controlling the same
12/22/1999CN2355128Y Multifunctional spray irragation pump
12/22/1999CN1239189A Diaphram pump
12/21/1999US6004105 Diaphragm pump with adjustable stroke length
12/21/1999US6003737 Enhanced micropump for the nebulization of fluids
12/16/1999WO1999065088A1 Piezoelectric electro-motional devices
12/16/1999DE19824960A1 Peristaltic pump type filling device for use with viscous fluids, especially foodstuffs
12/15/1999CN1047432C Silicon microheating actuating pump and its mfg. technology
12/09/1999DE19838639C1 Blood pump with double hinged armature system
12/08/1999EP0961655A1 Microdosing device and method for operating same
12/08/1999CN2352719Y Diaphragm type gas compressor
12/07/1999US5997263 Micromachined filter for a micropump
12/07/1999US5996627 Adjustable fluid valve for diaphragm pumps
12/07/1999US5996470 Wear ring for diaphragm and outer piston
12/02/1999WO1999051882A9 Diaphragm pump and pump for double-breast pumping
12/02/1999WO1999050524A3 Subsea mud pump
12/02/1999DE19821324A1 Flexible membrane for pumps and valves with leak-free attachment
11/1999
11/30/1999US5993174 Pulsation free pump
11/30/1999US5993172 Method and apparatus for pressure processing a pumpable substance
11/30/1999US5992296 Hydraulic pump
11/30/1999CA2126466C Chemically resistant diaphragm
11/24/1999EP0959331A1 Apparatus for dispensing precise volumes of a liquid
11/24/1999EP0959247A1 Double diaphragm pump for viscous liquids
11/24/1999EP0957954A1 Apparatus for pumping fluid at a steady flow rate
11/23/1999US5988998 Rotary pump having a reinforced flexible annular diaphragm
11/23/1999US5988983 Infusion method and infusion pump
11/17/1999EP0956449A1 Microejection pump
11/17/1999CN1235658A Micro-machined device for fluids and manufacture thereof
11/16/1999US5983777 Method and apparatus for diaphragm pumping with adjustable flow
11/16/1999US5983416 Electrically powdered spa jet unit
11/11/1999DE19819408A1 Membrane pump for conveying gaseous or liquid substances
11/10/1999EP0955464A1 High capacity diaphragm pumping unit
11/10/1999EP0478600B1 Improving blood flow
11/10/1999CN2348139Y 蠕动泵 Peristaltic pump
11/09/1999USRE36386 For delivering multiple fluids in cardioplegia circuit to support patient's heart during open heart surgery
11/09/1999US5980490 Linear peristaltic pump
11/07/1999CA2231051A1 Device for compressing a tube
11/04/1999WO1999055283A1 Electrically powered spa jet unit
11/04/1999DE19918694A1 Measuring pressure of fluid for miniature pump system, e.g. for blood pressure measurement
11/02/1999US5976184 Artificial heart driving device
10/1999
10/28/1999WO1999054626A1 Piezoceramic actuators and actuating system incorporating piezoceramic elements
10/27/1999EP0951617A1 Micropump with a built-in intermediate part
10/27/1999EP0846007A4 Diaphragm pump and pump mounted in a carrying case useful in breast pumping
10/27/1999CN2345729Y Reciprocating diaphragm pump
10/27/1999CN1232925A Apparatus for dispensing precise volumes of liquid
10/26/1999US5971726 Tube connector restriction means for a tube-type roller pump
10/26/1999US5971723 Dosing pump
10/21/1999WO1999053201A1 Flow rate stabilizers for peristaltic pumps
10/21/1999DE19708644C2 Rotationskolbenmaschine mit elastisch verformbarer Arbeitsraumwand Rotary piston machine with elastically deformable working space wall
10/20/1999EP0950815A2 Piston and diaphragm for a reciprocating pump
10/14/1999WO1999051882A1 Diaphragm pump and pump for double-breast pumping
10/13/1999EP0949418A2 Micro-pump and micro-pump manufacturing method
10/12/1999US5964583 Liquid delivery device for controlling the flow of liquid from a liquid reser
10/12/1999US5964580 Positive displacement pump having a ratchet drive guide for dispersing cyclic compression stresses over the circumference of an internal flexible member
10/07/1999WO1999050524A2 Subsea mud pump
10/07/1999DE19814943A1 Peristaltic displacement hose pump
10/07/1999DE19814728A1 Schlauchpumpe und Verwendung für einen Transportschlauch mit Sicherheitskanal Peristaltic pump and use for transport hose with safety channel
10/07/1999CA2326353A1 Subsea mud pump
10/06/1999EP0947698A2 Safety hose
10/05/1999US5962081 A microstructure comprising an elastic membrane. a method which simplifies the fabrication of and permits further miniaturization of microfluidic structures as well as other structures comprising a flexible polymer membrane.
10/05/1999US5961305 For the administration of active compositions
10/05/1999US5961300 Diaphragm pump plural component dispensing system with integrator
09/1999
09/30/1999WO1999049173A1 Rotating subsea diverter
09/30/1999WO1999049172A1 Offshore drilling system
09/30/1999WO1997028368A3 Peristaltic pump and tube loading system
09/30/1999CA2326358A1 Rotating subsea diverter
09/30/1999CA2326129A1 Offshore drilling system
09/29/1999EP0719386B1 Peristaltic pulse pumping systems
09/28/1999US5957670 Air driven diaphragm pump
09/28/1999US5957669 Diaphragm pump including improved drive mechanism and pump head
09/28/1999US5957153 Oscillating dual bladder balanced pressure proportioning pump system
09/23/1999WO1999047812A1 Keyed cassette for dispensing pump
09/23/1999DE19802367C1 Mikrodosiervorrichtungsarray und Verfahren zum Betreiben desselben Microdosing and method of operating the same
09/22/1999EP0769102B1 Booster pump
09/21/1999US5954486 Squeeze pump having shrink fitter rollers
09/21/1999CA2003184C Disposable vacuum/peristaltic pump cassette system
09/15/1999EP0942171A2 Double diaphragm pump
09/15/1999EP0941404A1 Pumping and metering device
09/15/1999EP0760905B1 Displacement pump of diaphragm type
09/14/1999US5950523 Composite diaphragm having two layers wherein the first layer is chemically resistant and of reduced thickness in the area of flex of the body
09/09/1999DE19909323A1 Fluid feed component, especially for feeding fluid at flow rate of from few to several hundred micro-liters per second
09/08/1999EP0939861A1 Method for producing a micromembrane pump body
09/08/1999EP0939860A1 Membrane pump
09/08/1999EP0759124B1 Peristaltic pump device
09/08/1999EP0720692B1 Peristaltic pump with quick release rotor head assembly