| Patents for F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234) |
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| 12/21/2011 | CN202082061U 带有石墨背压阀的比例泵 Proportional pump with graphite back pressure valve |
| 12/21/2011 | CN202082060U Pvdc胶乳比例泵 Pvdc latex proportional pump |
| 12/15/2011 | WO2011156556A2 Piezoelectric foaming pump |
| 12/08/2011 | WO2011114365A8 Dosing pump with control device of the piston stroke |
| 12/08/2011 | WO2011010198A3 Fluid delivery system comprising a fluid pumping device and a drive system |
| 12/07/2011 | CN202065142U 往复式计量泵的同步带传动往复驱动装置 Reciprocating drive belt drive reciprocating metering pump |
| 12/07/2011 | CN102269160A 一种柱塞计量泵密封结构 One kind of plunger metering pump seal structure |
| 12/07/2011 | CN102269146A Electric metering pump for aircraft engine |
| 12/07/2011 | CN101449056B 混合泵装置及燃料电池 Mixing pump device and fuel cell |
| 12/01/2011 | WO2011150099A2 A hydraulically actuated reciprocating pump |
| 12/01/2011 | CA2800603A1 A hydraulically actuated reciprocating pump |
| 11/30/2011 | CN102265034A 具有两个泵单元的泵装置、系统、用途和方法 Pump device having two pump units, systems, uses and methods |
| 11/23/2011 | CN101512157B Long-life pump unit |
| 11/16/2011 | EP2386758A1 A method of pumping a predetermined dose of a medical fluid |
| 11/10/2011 | DE102010019821A1 Reciprocating piston pump for e.g. dosing fuel for auxiliary heating system in motor vehicle, has membrane dimensioned with respect to outer diameter, thickness and support such that membrane does not completely rest against magnetic coil |
| 11/09/2011 | EP2385253A1 Fluid delivery device, system and method |
| 11/03/2011 | WO2011049330A3 Bubble-generating pump |
| 11/02/2011 | EP2383470A1 Plunger pump actuated by a shape memory element |
| 11/02/2011 | CN202023725U Automatic oil supply control system of diaphragm type metering pump |
| 10/26/2011 | EP2379885A1 Dosing pump |
| 10/26/2011 | EP2139527B1 Quantitative liquid injection device of plasma sterilizer |
| 10/11/2011 | CA2620331C Control system for and method of combining materials |
| 10/05/2011 | EP2370696A1 Pump arrangement with two pump units, system, use and method |
| 10/05/2011 | CN202001239U Metering type delivery pump device |
| 10/05/2011 | CN202001238U Novel metering pump |
| 09/29/2011 | US20110238031 Medication reservoir |
| 09/28/2011 | EP2368041A1 Method and device for degassing the transport chamber of a metering pump |
| 09/28/2011 | EP2367581A1 Adjustable positive-displacement pump |
| 09/28/2011 | CN201991719U Collection-free transmission gear for metering pump |
| 09/22/2011 | WO2011114365A1 Dosing pump with control device of the piston stroke |
| 09/22/2011 | WO2011113469A2 Metering pump |
| 09/21/2011 | CN201982270U 一种用于避免校正的计量泵传动装置 A metering pump drive means for avoiding correction |
| 09/14/2011 | CN201972906U 一种比例泵旁路比例调节装置 One kind of proportional pump bypass ratio adjustment means |
| 09/14/2011 | CN201972872U 一种带补油限位、自动放气系统的大排量隔膜计量泵 A tape up the oil limit, the system automatically deflated large displacement diaphragm metering pumps |
| 09/14/2011 | CN102182664A Four-cavity constant-speed constant-pressure metering pump |
| 09/07/2011 | EP1958039B9 I/o systems, methods and devices for interfacing a pump controller |
| 09/07/2011 | EP1886018B1 Device and method for transporting medicinal liquids |
| 09/07/2011 | CN201963535U 一种液压比例调节式比例泵调节装置 A hydraulic proportional control proportioning pump adjustment device |
| 08/31/2011 | CN201953637U 用于计量泵的单向阀 One-way valve for metering pumps |
| 08/31/2011 | CN201953636U 用于计量泵的压力调节阀 Pressure regulating valve for metering pumps |
| 08/31/2011 | CN201953599U 一种远距离控制半自动放射性溶液微量定量分配装置 One kind of remote control semi-automatic dosing device trace radioactive solution |
| 08/25/2011 | WO2011102937A1 Method and disposable low-cost pump in container for liquid color dispensing |
| 08/25/2011 | CA2800411A1 Method and disposable low-cost pump in container for liquid color dispensing |
| 08/24/2011 | CN201943912U 真空瓶的精密计量泵结构 Precision metering pumps structure of the vacuum bottle |
| 08/24/2011 | CN201943911U 电液比例定量泵 Electro-hydraulic proportional dosing pump |
| 08/23/2011 | CA2499939C Metering pump with gas removal device |
| 08/17/2011 | CN102155395A Automatic oil replenishing control system of diaphragm type measuring pump |
| 08/17/2011 | CN101379293B Hydraulic machine, in particular hydraulic motor, and metering device comprising such a motor |
| 08/16/2011 | US7998131 Reservoir connector |
| 08/16/2011 | US7997446 Pump |
| 08/11/2011 | DE102010007028A1 Metering pump for use in machinery-and equipment industry, has carrier roller squeezing on hose and rotatably guided along wall and feeding liquid through hose and connecting adaptors, and pump casing including plates in layer structure |
| 08/10/2011 | CN201924999U Automatic calibrating system for carbamide metering and injecting pump |
| 08/10/2011 | CN101109373B Pump components |
| 08/03/2011 | CN201916183U 计量泵出口阀 Metering pump outlet valve |
| 08/03/2011 | CN201916181U 用于柱塞式计量泵的长效无泄漏柱塞密封结构 Long-term leak-free seal structure for the plunger piston metering pumps |
| 08/03/2011 | CN102141020A Water power-driven proportioning pump |
| 08/03/2011 | CN102141019A Novel metering pump |
| 08/02/2011 | US7988683 Reservoir connector |
| 07/21/2011 | WO2011088232A1 Precision pump with multiple heads |
| 07/19/2011 | US7981105 Medication reservoir |
| 07/06/2011 | CN201891564U Diaphragm type metering pump having cooling function |
| 06/29/2011 | CN201884267U Pump head of diaphragm metering pump with preposed refrigerating function |
| 06/29/2011 | CN201884250U Hydraulic diaphragm metering pump with diaphragm protection function |
| 06/29/2011 | CN201884236U Piston type metering pump |
| 06/29/2011 | CN201884235U Diaphragm type metering pump used for conveying high-temperature and high-pressure medium |
| 06/29/2011 | CN201884234U Pump head of diaphragm type metering pump |
| 06/29/2011 | CN102112741A Synchronization of supply flow paths |
| 06/22/2011 | CN201874798U Pressure regulation device for dosing pump |
| 06/16/2011 | WO2010076447A8 Adjustable positive-displacement pump |
| 06/15/2011 | EP2330931A2 A device for use in treating cigarettes with a tar and nicotine barrier-forming fluid |
| 06/09/2011 | DE112008003968T5 Synchronisation von Zufuhrströmungspfaden Synchronization of supply flow paths |
| 06/08/2011 | CN201858102U High-lift and small-flow no-leakage metering pump |
| 06/08/2011 | CN201858101U High-performance anticorrosion metering pump |
| 06/01/2011 | CN102080651A Long-acting no-leakage plunger sealing structure for plunger type measuring pump |
| 06/01/2011 | CN102080650A PASP (Polyaspartic Acid) solution metering pump plunger oil-free lubrication filler |
| 05/19/2011 | US20110119033 Method and Apparatus for Detecting Errors, Fluid Pressure, and Occlusions in an Ambulatory Infusion Pump |
| 05/18/2011 | CN102062070A Plunger type metering ejector pump for emission reduction system |
| 05/11/2011 | CN201827040U Parallel double-cylinder metering pump |
| 05/11/2011 | CN102052292A Pressure regulating valve for metering pump |
| 05/11/2011 | CN102052291A Check valve for metering pump |
| 05/10/2011 | US7937934 Dosing pump assembly |
| 04/28/2011 | WO2011049330A2 Bubble-generating pump |
| 04/28/2011 | WO2011047882A1 Metering dispenser |
| 04/28/2011 | WO2011008715A3 Dispensing pump |
| 04/27/2011 | EP1958039B1 I/o systems, methods and devices for interfacing a pump controller |
| 04/27/2011 | CN201810509U Precise electric metering pump |
| 04/20/2011 | EP1910678B1 Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring |
| 04/05/2011 | CA2614325C Device for driving an electromagnetic pump and related electromagnetic dosing pump |
| 03/31/2011 | WO2010132372A3 Front pull-out hydraulics for pumps |
| 03/24/2011 | WO2011032855A1 Output system for a plurality of masses |
| 03/24/2011 | DE102009029607A1 Ausgabesystem für mehrere Massen Output system for several masses |
| 03/23/2011 | CN101988494A Pressure stabilizing device of metering pump |
| 03/23/2011 | CN101988484A Correcting device of transmission center of metering pump of spinning machine |
| 03/16/2011 | EP2082135B1 Active check valves in diaphragm pump with solenoid drive |
| 03/16/2011 | CN101446275B Metering pump with constant speed and constant pressure |
| 03/02/2011 | EP2290238A1 Plunger pump actuated by a shape memory element |
| 02/23/2011 | CN201751576U 计量泵 Metering pumps |
| 02/22/2011 | US7892206 Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump |
| 02/16/2011 | CN201747549U Mechanical diaphragm metering pump |
| 02/16/2011 | CN201747548U Septum measuring pump |