| Patents for F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234) |
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| 08/14/2013 | DE102012002492A1 Dosing pump for conveying and metering of fuel for heating systems in motor vehicles or additives or aqueous solutions, has power circuit or positive connection between piston rod and anchor plunger |
| 08/08/2013 | DE102012001963A1 Dosing pump i.e. reciprocating piston pump, for dosing e.g. aqueous urea solution into exhaust-gas recycling system of combustion engine, has spring retainer pushed against ring in hole by spring, which exhibits significant large bias force |
| 08/07/2013 | EP2622220A2 Fill port assembly for coupling tools to a feed pump |
| 08/07/2013 | CN103237985A Proportional dosimeter for metering an auxiliary liquid into a main liquid |
| 08/06/2013 | US8500716 Medication reservoir |
| 07/31/2013 | EP2620646A1 Apparatus for portioning of conveyable media |
| 07/31/2013 | EP2619455A1 Method and equipment for purifying a gas stream |
| 07/31/2013 | CN203098178U Metering pump with long service life |
| 07/31/2013 | CN203098177U Metering pump structure capable of prolonging service life |
| 07/31/2013 | CN203098176U Novel metering pump |
| 07/31/2013 | CN203098175U Metering pump with novel stepping motor control structure |
| 07/25/2013 | US20130189125 Compressed-air compressor |
| 07/24/2013 | CN203081676U Direct current metering pump |
| 07/24/2013 | CN203081675U High-precision ceramic filling pump |
| 07/24/2013 | CN203081674U High-precision filling pump |
| 07/24/2013 | CN203081673U Precise ceramic filling pump |
| 07/24/2013 | CN203081672U Ceramic pump |
| 07/18/2013 | DE102012100306A1 Verfahren zur Adaption einer Dosierpumpe an die Viskosität des zu dosierenden Mediums Method for adapting a metering pump to the viscosity of the medium to be proportioned |
| 07/11/2013 | DE112011102529T5 Pumpe für Flüssigchromatographen und Flüssigchromatograph Pump for liquid chromatographs and liquid chromatograph |
| 07/04/2013 | US20130167518 Control Arrangement and Method for Activating a Plurality of Hydrualic Consumers |
| 07/03/2013 | CN203035478U Crankshaft quantitative grouting pump |
| 06/27/2013 | US20130160439 Flow rate control device for variable displacement type hydraulic pump for construction equipment |
| 06/26/2013 | EP2606000A2 Method for synchronizing linear pump system |
| 06/26/2013 | CN103174619A Reciprocating injection type metering pump |
| 06/20/2013 | WO2013088487A1 Liquid feed pump and liquid chromatograph |
| 06/19/2013 | CN203009201U Quantitative measuring pump |
| 06/19/2013 | CN203009200U Manual metering liquid pump |
| 06/19/2013 | CN103168173A Dosing pump unit |
| 06/19/2013 | CN103161707A Pneumatic plunger metering pump |
| 06/12/2013 | CN103153839A Method for synchronizing linear pump system |
| 06/05/2013 | CN103140677A Fill port assembly for coupling tools to a feed pump |
| 06/05/2013 | CN103140676A Liquid metering pump, and device for detecting the variation in pressure for such a pump |
| 06/05/2013 | CN101849107B Precision pump with multiple heads |
| 06/05/2013 | CN101245771B Compact pump with the capacity to swivel the atomizer relative to the plunger |
| 05/29/2013 | EP2596245A2 Fluid dose dispensing apparatus |
| 05/29/2013 | CN202954959U Transmission mechanism of diaphragm of mechanical diaphragm metering pump |
| 05/29/2013 | CN202954947U Combined diaphragm for metering pump |
| 05/29/2013 | CN202954934U Proportioning pump driven by water power |
| 05/23/2013 | US20130126404 Device With A Peristaltic Hose Pump And Associated Method |
| 05/22/2013 | CN103119295A Method and equipment for purifying a gas stream |
| 05/21/2013 | CA2637364C Hydraulic machine, in particular hydraulic motor, and metering device comprising such a motor |
| 05/16/2013 | DE102011118417A1 Dosierpumpe mit Anschlagdämpfer Dosing pump with stop damper |
| 05/15/2013 | EP2592267A1 Metering pump with impact damper |
| 05/08/2013 | CN202921523U Novel liquid metering conveying device |
| 05/01/2013 | CN202914262U Metering pump for automatically regulating stroke |
| 04/24/2013 | CN103069162A Hydraulically actuated reciprocating pump |
| 04/18/2013 | WO2013053257A1 Wind energy collection device and wind power generation system thereof |
| 04/17/2013 | CN202883326U Novel three-pump-head mechanical drive diaphragm metering pump |
| 04/17/2013 | CN202883286U Double-liquid synchronous grouting pump |
| 04/16/2013 | CA2748468C Pump arrangement with two pump units, system, use and method |
| 04/10/2013 | EP2577063A2 A hydraulically actuated reciprocating pump |
| 04/10/2013 | CN103038632A Pump for liquid chromatograph, and liquid chromatograph |
| 04/04/2013 | WO2012003976A3 Dosing pump unit |
| 04/04/2013 | DE102011114554A1 Verfahren und Vorrichtung zum Dosiereneines inkompressiblen Arbeitsfluids Method and apparatus for metering an incompressible working fluid |
| 04/03/2013 | CN202851285U Mine emulsion pump capable of preparing emulsion automatically |
| 03/27/2013 | CN102996390A Quantitative metering pump |
| 03/27/2013 | CN102996388A Dual-liquid synchronous grouting pump |
| 03/20/2013 | CN202811247U Feed pump of soft capsule machine |
| 03/20/2013 | CN202811246U Metering pump |
| 03/20/2013 | CN202811245U Ceramic filling measuring pump |
| 03/20/2013 | CN202803125U Device for producing high purity solvent sulfate for Para aramid fiber spinning |
| 03/13/2013 | CN202789476U Direct-connection double-acting stroke adjusting device for reciprocating metering pump |
| 03/13/2013 | CN202789454U Mechanical diaphragm type metering pump |
| 03/07/2013 | WO2013030000A1 Dosing unit for an ambulatory infusion device |
| 03/07/2013 | WO2013029999A1 Dosing unit for an ambulatory infusion device |
| 02/26/2013 | CA2636627C Hydraulic machine, in particular hydraulic motor, with a recipricating movement |
| 02/21/2013 | DE202011108107U1 Stufenkolbenpumpe zum Fördern vier unterschiedlicher Flüssigkeiten mit einer Dichtung und Schmierung des Stufenkolbens ausschließlich mittels einer schmierfähigen Flüssigkeit über Nuten am Kolbenumfang Stage piston pump for pumping four different liquids with a seal and lubrication of the stepped piston exclusively by means of a lubricious liquid over grooves on the piston circumference |
| 02/20/2013 | CN202746136U Simplified tubular diaphragm metering pump fluid end structure |
| 02/20/2013 | CN202746135U Electromagnetic type metering pump |
| 02/20/2013 | CN102939462A Method and disposable low-cost pump in container for liquid color dispensing |
| 02/20/2013 | CN102937089A Transmission mechanism of diaphragm of mechanical diaphragm metering pump |
| 02/13/2013 | CN102926963A Single connecting rod-linked double-cavity metering pump |
| 02/06/2013 | CN202718820U Diaphragm metering pump |
| 01/31/2013 | WO2013013725A1 A diaphragm pump for dosing a fluid and an according method |
| 01/31/2013 | CA2839816A1 A diaphragm pump for dosing a fluid and an according method |
| 01/30/2013 | CN202707397U High-precision metering reciprocation pump |
| 01/30/2013 | CN202707396U Efficient energy-saving metering pump |
| 01/30/2013 | CN202707395U Plug-type metering pump |
| 01/30/2013 | CN202707394U Single connecting rod linkage double-cavity metering pump |
| 01/24/2013 | WO2013010638A1 Metering pump |
| 01/23/2013 | EP2547909A1 Dosing pump with control device of the piston stroke |
| 01/23/2013 | CN102889190A Mining emulsified liquid pump capable of automatically preparing emulsified liquid |
| 01/17/2013 | WO2013009297A1 High pressure and flow rate pump useful in formation fluid sample testing |
| 01/17/2013 | WO2013007166A1 Bi-component linked plunger pump and on-site emulsive explosive mixing device comprising the same |
| 01/17/2013 | US20130018357 Medication reservoir |
| 01/17/2013 | DE102011078939A1 Dosiereinheit mit reduziertem Totvolumen Dosing with reduced dead volume |
| 01/17/2013 | CA2839680A1 High pressure and flow rate pump useful in formation fluid sample testing |
| 01/16/2013 | CN202673602U Mechanical diaphragm type metering pump |
| 01/10/2013 | DE102012211192A1 Kontinuierliches Flüssigkeitszufuhrsystem und sein Steuerungsverfahren Continuous hydration system and its control method |
| 01/09/2013 | CN202659465U Flow-adjustable hydraulic diaphragm metering pump |
| 01/09/2013 | CN102182664B Four-cavity constant-speed constant-pressure metering pump |
| 01/02/2013 | CN202645909U Metering pump structure |
| 12/27/2012 | WO2012174754A1 Dosing pump device |
| 12/26/2012 | EP2536950A1 Method and disposable low-cost pump in container for liquid color dispensing |
| 12/06/2012 | WO2012165326A1 Flow rate control method for pump and coating film forming method |
| 12/06/2012 | US20120308409 Fluid flow meter |
| 12/05/2012 | CN102808752A Proportioning pump with graphite back pressure valve |
| 12/04/2012 | US8322994 Effervescent gas bleeder apparatus |
| 12/04/2012 | CA2594995C Portable fluid exchange system for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container |
| 11/28/2012 | CN202560502U Ceramic-liner piston type metering pump |