| Patents for F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234) |
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| 08/15/1995 | US5441392 Apparatus for repetitively dispensing a measured volume of liquid |
| 08/09/1995 | CN2204865Y Buffer trunk piston dosing pump |
| 07/27/1995 | WO1995019932A1 Process and device for the conveyance and measuring of medical liquids |
| 07/11/1995 | CA2070013C Variable speed hydraulic pump system for liquid trailer |
| 06/28/1995 | CN2202196Y High-speed electric double-cylinder pressure testing pump |
| 06/13/1995 | US5423662 Precision metered multiple fluid pumping system |
| 06/01/1995 | WO1995014634A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 06/01/1995 | CA2177142A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 05/31/1995 | CN2199325Y Pressure-type valve controlled piston metering pump |
| 05/23/1995 | CA2033253C Phase adjustable metering pump, and method of adjusting the flow rate thereof |
| 05/23/1995 | CA2032019C Valveless, positive displacement pump including living hinge foe angular adjustment, and method of making same |
| 04/25/1995 | US5409354 Variable displacement pump |
| 03/08/1995 | EP0641933A1 Dosing device |
| 02/22/1995 | CN2190173Y Separate metering pump |
| 02/14/1995 | US5388965 Sludge pump with monitoring system |
| 02/14/1995 | US5388725 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 02/09/1995 | DE4427479A1 Abmessen von flüsssigen Zusatzstoffen Measure out flüsssigen additives |
| 02/07/1995 | CA2032240C Multi-port valveless pump |
| 01/04/1995 | CN1097062A Method and equipment for dosing small amounts of liquid quantitatively |
| 01/03/1995 | US5377559 Radial piston fluid machine and/or adjustable rotor |
| 11/23/1994 | CN1095451A 一种计量泵 A measure of the pump |
| 11/22/1994 | US5366904 Method of metering a fluid using a multi-mode differential fluid displacement pump |
| 11/16/1994 | CN2182891Y 多点压力泵 Multi-pressure pump |
| 11/02/1994 | EP0622115A1 Fluid delivery system |
| 11/02/1994 | EP0622114A1 Laminated conduit plate for fluid delivery system |
| 10/26/1994 | EP0620913A1 Method and equipment for dosing small amounts of liquid quantitatively |
| 10/04/1994 | US5351862 Dispensing pump for media of low viscosity, especially paste-like media |
| 09/09/1994 | CA2117248A1 Bellows pump |
| 08/17/1994 | EP0610708A1 Dosing pump |
| 08/17/1994 | CN2174575Y Bellows metering pump |
| 07/05/1994 | US5325889 Laminated conduit plate for fluid delivery system |
| 06/14/1994 | US5320139 Fluid delivery system |
| 05/26/1994 | WO1994011710A1 Method and equipment for dosing small amounts of liquid quantitatively |
| 05/17/1994 | US5312233 Linear liquid dispensing pump for dispensing liquid in nanoliter volumes |
| 05/03/1994 | US5308230 Bellows pump |
| 04/20/1994 | EP0592411A1 Apparatus for repetitively dispensing a measured volume of liquid. |
| 03/03/1994 | WO1994004257A1 Apparatus for combining liquids |
| 02/16/1994 | CN2156307Y Oil injecting machine with hydraulic measuring oil tank |
| 01/18/1994 | US5279504 Multi-diaphragm metering pump |
| 12/01/1993 | CN1079027A High molecular polymer measuring pump |
| 11/24/1993 | EP0474720B1 Variable displacement pump |
| 11/18/1993 | EP0469090B1 Pump and metering apparatus |
| 11/11/1993 | WO1993022556A1 Dosing arrangement |
| 11/04/1993 | DE4214226A1 Assembly to mix fluids on building site |
| 10/20/1993 | EP0565977A2 Plastic dosing pump for low viscosity materials, in particular pasty materials |
| 10/20/1993 | CN1077520A Automatic pressure controller for motor driven pump. |
| 10/07/1993 | DE4228193C1 Miniature pump flow control - has a porous membrane at inlet or outlet for laser beam to pass through |
| 10/06/1993 | EP0564394A1 Pressure testing pump |
| 09/29/1993 | EP0562398A1 Pump for viscous material |
| 09/22/1993 | CA2092065A1 Sludge pump |
| 09/07/1993 | US5242403 Pumping device for the metered feed of liquids |
| 07/14/1993 | CN2138199Y Oil dropping pump for carbonization of heating treatment |
| 07/06/1993 | US5224627 Metering pump dispenser for liquid and/or pasty media |
| 06/29/1993 | US5222875 Variable speed hydraulic pump system for liquid trailer |
| 06/22/1993 | US5221195 Pressure testing pump |
| 06/09/1993 | EP0545243A2 Hydraulic circuit for motor vehicle |
| 06/09/1993 | CN2135664Y Numerical controll high polymer pump |
| 06/09/1993 | CN2135663Y High polymer measuring pump |
| 05/27/1993 | WO1993010352A1 Mixing pump |
| 05/05/1993 | CN2132001Y Adjustable flowmetering pump |
| 04/14/1993 | EP0536267A1 Adjustable rotor for a radial piston fluid machine |
| 04/13/1993 | US5201851 Pump and metering apparatus |
| 04/13/1993 | US5201636 Stator current based malfunction detecting system in a variable flow delivery pump |
| 04/13/1993 | US5201174 Auxiliary hydraulic pump system |
| 04/06/1993 | US5199857 Dual plunger pump system |
| 02/09/1993 | US5184943 Rolling diaphragm injection pump |
| 02/03/1993 | EP0525329A2 Variable speed hydraulic pump system for liquid trailer |
| 01/26/1993 | US5181631 Beverage dispenser valve with controllable flow rate |
| 01/13/1993 | EP0522236A1 Control system for valveless metering pump |
| 12/30/1992 | EP0520315A1 Metering pump dispenser for liquid or pasty products |
| 12/29/1992 | CA2062411A1 Control system for valveless metering pump |
| 12/03/1992 | DE4117541A1 Pump for dispensing metered quantities of highly viscous material - has positioning spindle to adjust stroke of piston |
| 11/18/1992 | CN2122245U Anti-corrosion stepless variable diaphragm metering pump |
| 11/04/1992 | CN2120889U Flow adjustable pressure test pump |
| 10/27/1992 | US5158438 Quick mount pump frame |
| 09/03/1992 | WO1992014930A1 Stator current based malfunction detecting system in a variable flow delivery pump |
| 07/07/1992 | US5127796 Rotary pump having an encapsulated motor |
| 07/01/1992 | EP0492309A1 Fluid delivery system |
| 06/23/1992 | US5123443 Fluid delivery system |
| 06/16/1992 | CA1303703C Flow control device for a reciprocating feed pump |
| 06/16/1992 | CA1303560C Multi-channel linear concentrate pump |
| 06/09/1992 | US5120199 Control system for valveless metering pump |
| 05/19/1992 | US5114314 Reciprocating type fluid delivery pump |
| 05/19/1992 | CA1300978C Variable flow rate pump for fluid |
| 05/13/1992 | EP0484575A1 Device for pumping mud and for adding a dosed filtering assistance agent |
| 04/28/1992 | US5108264 Method and apparatus for real time compensation of fluid compressibility in high pressure reciprocating pumps |
| 04/21/1992 | US5106275 Arrangement on a pump unit |
| 04/14/1992 | US5104300 Liquid additive metering |
| 03/18/1992 | EP0474720A1 Variable displacement pump. |
| 02/26/1992 | EP0471930A1 Method for real time compensation of fluid compressibility in high pressure reciprocating pumps |
| 02/18/1992 | US5088902 Piston type metering pump |
| 02/05/1992 | EP0469090A1 Pump and metering apparatus. |
| 02/04/1992 | CA1295133C Dilution valve |
| 01/08/1992 | EP0464301A1 Phase adjustable metering pump, and method of adjusting the flow rate thereof |
| 12/30/1991 | WO1992000455A1 Radial piston fluid machine and/or adjustable rotor |
| 12/24/1991 | US5074763 Telescopic moving equipment for driving a reciprocating pump |
| 12/08/1991 | WO1991019099A1 Apparatus for repetitively dispensing a measured volume of liquid |
| 12/08/1991 | CA2084675A1 Apparatus for repetitively dispensing a measured volume of liquid |
| 12/03/1991 | CA1292640C Valveless positive displacement metering pump |
| 11/19/1991 | US5066203 Apparatus for pneumatically discharging concrete |