Patents
Patents for F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234)
09/1983
09/20/1983US4405294 Dosing pump
08/1983
08/23/1983CA1152379A1 Micropumps
07/1983
07/12/1983US4392508 Proportional mixing system with water motor drive
07/05/1983US4391291 Apparatus for reconstituting a concentrate
06/1983
06/28/1983US4390035 Liquid mixing systems
06/15/1983EP0081300A1 Synchronized mixing pump
06/07/1983US4386889 Radial wave pump
05/1983
05/11/1983EP0078516A1 Pumping device for simultaneously feeding at least two spray liquids in a choosable relationship to a spraying device
05/04/1983EP0077908A2 Apparatus for feeding liquid against high pressure
04/1983
04/26/1983CA1145307A1 Volume dosing device
03/1983
03/23/1983EP0074439A1 Antidrip volumetric rapid filling machine usable with very viscous substances
03/16/1983EP0073940A2 Proportioning pump
03/16/1983EP0073906A2 Apparatus and method for temperature correction of liquid chromatography
02/1983
02/01/1983US4371321 Metering pump
01/1983
01/04/1983US4366918 Variable ratio metering, mixing and dispensing apparatus
12/1982
12/21/1982US4364718 Disposable pump for dispensing small metered amounts of liquid from a container and a control unit for operating said pump
12/14/1982US4363426 Device for conveying and dispensing liquid media
11/1982
11/23/1982US4360324 Pulsatile blood pump
11/23/1982US4360323 Proportioning pumping system for dialysis machines
10/1982
10/05/1982US4352444 Controllable volume dosing device
09/1982
09/14/1982US4349321 Liquid dispensing systems
09/07/1982US4347806 Liquid dispensing apparatus
07/1982
07/13/1982US4339233 Power-assisted valve
07/06/1982CA1127002A1 Variable flow or metering pump
06/1982
06/23/1982EP0054198A1 Pump
06/22/1982US4336000 Liquid dosage piston pump
05/1982
05/18/1982US4330003 Self-proportional fluid metering device actuated by a pressurized fluid
04/1982
04/28/1982EP0050296A1 A pulsation-free volumetric pump
04/27/1982US4326837 Pumping apparatus using a stepping motor
04/15/1982WO1982001222A1 Device for applying multicomponent materials
04/13/1982US4325127 Flow meter system
03/1982
03/30/1982US4321953 Method of discharging and applying flowable media
03/30/1982US4321938 Dosing device
03/02/1982US4317647 Dosing system
02/1982
02/10/1982EP0045536A1 A multi-component delivery apparatus
01/1982
01/19/1982CA1116438A1 Reciprocating stroke length adjustment device and method
01/12/1982US4310420 Mobile phase supplying method in the liquid chromatography and apparatus therefor
01/05/1982US4309153 Electromagnetic fuel delivery and metering pump
12/1981
12/15/1981CA1114338A1 Metering apparatus
12/08/1981US4304529 Apparatus and method for delivering and metering fluids
11/1981
11/04/1981EP0039146A1 Multiple chamber pump
10/1981
10/07/1981EP0036945A2 Device for delivering fluid materials
09/1981
09/08/1981CA1108358A1 Dispenser device
07/1981
07/14/1981US4278984 Constant flow rate liquid supply pump
07/14/1981US4278205 Constant flow rate fluid supply device, particularly for a spray gun
06/1981
06/16/1981US4273263 Filling apparatus for fluid media
06/16/1981US4273261 Metering apparatus
05/1981
05/26/1981CA1101809A1 Fine tune adjusting mechanism for tandem-operated filling units of a filling machine
05/20/1981EP0028808A2 Feeding and dosing device for abrasive materials
05/05/1981US4265858 Metering and mixing apparatus for multiple component
04/1981
04/28/1981US4263825 Reciprocating stroke length adjustment device and method
04/21/1981US4263602 Constant flow rate liquid supply pump
04/14/1981CA1099181A1 Control valve for use with variable displacement piston pump of the type including hydrostatic thrust bearing means
04/07/1981CA1098765A1 Dual-piston reciprocating pump assembly
03/1981
03/17/1981US4256440 Liquid dosing apparatus
03/04/1981EP0024313A1 Method of residue-free dispensing of small amounts of liquid
03/03/1981CA1096824A1 Dispensing device
02/1981
02/24/1981CA1096465A1 Pulse generator
02/03/1981CA1094995A1 Apparatus for transferring metered quantities of material from one location to another
01/1981
01/14/1981EP0022179A1 Metering device
12/1980
12/30/1980US4242058 Dosage pump
12/02/1980US4236881 Liquid metering pump
12/02/1980US4236651 Dispenser device with valve piston pump
11/1980
11/04/1980US4231723 Metering and conveyor arrangement
11/04/1980US4231720 Pump for fluid media having different temperatures
10/1980
10/29/1980EP0017863A1 Dosing pump
10/21/1980US4229143 Method of and apparatus for transporting fluid substances
09/1980
09/09/1980CA1085169A1 Constant flow rate fluid supply device, particularly for a spray gun
08/1980
08/26/1980CA1084288A1 Liquid dosing apparatus
07/1980
07/15/1980US4212416 Fine tune adjusting mechanism for tandem-operated filling units of a filling machine
07/15/1980CA1081539A1 Apparatus for transferring metered quantities of material from one location to another
07/08/1980CA1081042A1 Positive displacement pump
06/1980
06/25/1980EP0012467A1 Pump
05/1980
05/06/1980CA1076881A1 Fuel injection pumps
05/06/1980CA1076837A1 Liquid chromatography system with solvent proportioning
02/1980
02/19/1980US4189070 Reaction injection molding machine
01/1980
01/23/1980EP0007252A1 Apparatus for delivering a fluid at constant flow, in particular for spray pistol
01/23/1980EP0007109A1 Apparatus for metering a solution of chemicals to a stream of liquid
01/08/1980US4182365 Control valve for use with variable displacement piston pump
11/1979
11/27/1979US4175474 Variable displacement pump
11/13/1979CA1066156A1 Pressure pump for use in a flow system for infusing fluid into the human body
11/06/1979US4173437 Dual-piston reciprocating pump assembly
10/1979
10/16/1979US4171191 Apparatus for transferring metered quantities of material from one location to another
10/02/1979CA1063428A1 Pump
09/1979
09/18/1979CA1062469A1 Automatic metering and dispensing system
08/1979
08/21/1979US4165208 Intravenous delivery pump
08/14/1979US4164240 Device for low-loss variation of flow from a positive displacement pump by periodic interruption of the flow
06/1979
06/12/1979CA1056208A1 Double-action proportioning pump
03/1979
03/13/1979CA1050274A1 Apparatus for the continuous feeding of plural liquids in separate streams of adjustable quantity and ratio
02/1979
02/27/1979US4141467 Fluid driven liquid dosing apparatus
02/13/1979US4138931 Pump
11/1978
11/28/1978CA1043164A1 Liquid metering pumps
11/14/1978CA1042269A1 Method and apparatus for transporting fluid substances, e.g. water, slurry and similar other materials by utilization of potential energy of liquid columns
11/07/1978US4124488 Water purification by reverse osmosis
10/1978
10/24/1978US4121738 Apparatus for the continuous feeding of plural liquids in separate streams of adjustable quantity and ratio
10/24/1978CA1040941A1 Method and device for transport and dosage of separate components in apparatuses for extruding multi-component material
10/17/1978US4120202 Positive displacement pump
10/10/1978US4119113 Double-action proportioning pump
10/03/1978US4118799 Apparatus for transferring metered quantities of material from one location to another
09/1978
09/26/1978CA1039106A1 Metering pulse pump
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