Patents
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
01/2005
01/06/2005US20050002809 Plunger pump
01/06/2005US20050001514 Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same
01/06/2005US20050000505 Portable electric driven compressed air gun
01/06/2005CA2528584A1 Diaphram metering chamber dispensing systems
01/05/2005EP1226385B1 Lubricant pump
01/05/2005EP0846007B1 Pump mounted in a carrying case useful in breast pumping
01/05/2005EP0582625B2 Process and device for the controlled metering of at least one pourable component
01/05/2005CN1183324C Hand and pneumatic oil pump
01/04/2005US6837690 Rotary pump with integral hand pump unit
12/2004
12/30/2004US20040265155 Transmissionless variable output pumping unit
12/30/2004US20040265145 Hydraulic spool-piece
12/29/2004EP1490597A1 Method and apparatus for compressing a gas to a high pressure
12/28/2004US6835053 Check valve
12/23/2004WO2004111565A1 Portable electric driven compressed air gun
12/23/2004WO2004111509A1 Three-way poppet valve for work exchanger
12/23/2004WO2004111452A1 High-pressure pump
12/22/2004EP1489302A1 Variable capacity low pressure hydraulic pump, e.g. for a hydraulic driven bicycle
12/22/2004EP1488085A1 Reciprocating and rotary internal combustion engine, compressor and pump
12/22/2004EP1169574B1 Composite piston for a vibration pump
12/22/2004CN2665397Y Remote control oil and air pressure pump
12/16/2004WO2004081421A3 Spring fixing structure of reciprocating compressor
12/15/2004EP1485619A1 Pump
12/15/2004CN1179798C Protection cover for trigger jetter
12/14/2004US6829892 Engine exhaust system pneumatic pump
12/10/2004CA2431620A1 Membrane and hydraulic intensifier purification system
12/09/2004US20040247471 Cam-driven secondary oil pump for an internal combustion engine
12/09/2004US20040244574 Micro-adjustable hydraulic driving device
12/09/2004DE10318004B3 Conveying device for paint and other viscous media has a drive motor operated by compressed air and formed in the end layers of a controllable adjusting piston arranged in a cylinder
12/08/2004EP1484523A1 Thermo-responsive centrifugal coupling element
12/08/2004EP1484502A2 Plunger pump
12/08/2004EP1483510A1 Fluid supply device
12/08/2004CN2661961Y Hand driven base gum pump
12/08/2004CN2661957Y Novel hydraulic end for booster pump
12/08/2004CN1178704C Measure apparatus for medical liquid
12/07/2004US6827479 Uniform small particle homogenizer and homogenizing process
12/07/2004US6827323 Mold cooling device
12/02/2004WO2004103888A2 Systems and methods for providing a dynamically adjustable reciprocating fluid dispenser
12/02/2004US20040241009 Motor pump aggregate
12/02/2004US20040239461 Magneto-mechanical apparatus
12/02/2004US20040238316 Clutch element for a unit driven via a drive shaft
12/01/2004EP1482571A2 Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same
12/01/2004EP1481735A2 Twirling dip tube
12/01/2004EP0932762B1 Tubular piston produced by cold forming and closure plug for pump with radial pistons
12/01/2004CN2660162Y Portable seawater hand pump
12/01/2004CN2660161Y Light weight hand pump
12/01/2004CN2660160Y 转子活塞式空气压缩机 Piston air compressor rotor
11/2004
11/30/2004US6824364 Master/slave pump assembly employing diaphragm pump
11/30/2004US6824139 Overmolded elastomeric diaphragm pump for pressurization in inkjet printing systems
11/29/2004CA2430413A1 Pumping apparatus actuated by natural gas
11/25/2004US20040234390 Automatic oil pump
11/25/2004DE20311033U1 Pumpvorrichtung Pumping device
11/25/2004DE202004000654U1 Automotive power system to drive a hydraulic pump taking power from the vehicle engine linked to a electromagnetic clutch
11/25/2004DE10316692B3 Motorized dispenser for liquid, foam or paste product with selective manual operation of lever acting as coupling element between electric motor and delivery pump
11/25/2004DE102004019626A1 Kraftstoffeinspritzpumpe und Dreh-/Linearbewegungsumwandlungsmechanismus mit Sicherungseinrichtung Fuel injection pump and rotary / linear motion conversion mechanism with safety device
11/24/2004CN1548347A 流体分配器 Fluid dispenser
11/23/2004US6821096 Multiple component metering and dispensing system
11/23/2004US6821094 Hybrid power transmission system having first and second clutch mechanisms
11/18/2004WO2004099616A1 Fluid pump
11/18/2004WO2004067962A3 Manual liquid metering device and cartridge
11/17/2004EP1477676A1 Dosing pump
11/17/2004EP1477674A1 Diaphragm pump system
11/17/2004CN2656662Y Stand-upside-down type high pressure plunger water pump
11/16/2004US6817990 Fluid reservoir piston
11/16/2004CA2184762C Linear pump
11/11/2004WO2004097219A1 Improvements in cams and cam followers
11/11/2004WO2004067181A3 Reverse osmosis liquid purification device
11/11/2004US20040223855 Multiple component metering and dispensing system
11/11/2004US20040221663 Tension detection apparatus of endless loop power transferring member and torque detection apparatus using the same
11/10/2004CN2654898Y Slurry filling pump
11/10/2004CN1544812A Hand-operated base gum pump
11/09/2004US6814553 Dual reciprocating bellows pump, with a pair of interlocking shafts passing through a common pump head and dual pump chambers
11/04/2004US20040220472 Cell suspension rotating fluidic pump
11/04/2004US20040219040 Direct drive reciprocating pump
11/03/2004EP0897473B1 Disposable ambulatory microprocessor controlled volumetric pump
11/03/2004CN2653167Y Crank type linear metering pump
11/03/2004CN2653166Y Liquid pumping device
11/02/2004US6811385 Acoustic micro-pump
10/2004
10/28/2004WO2004079194A3 Hydraulic pump and hydraulic system comprising said pump
10/28/2004US20040213689 Fuel injection pump and rotation-linear motion transforming mechanism with safeguard
10/28/2004DE10322354A1 Hand-held dispenser pump for pasty or highly viscous adhesive has pump chamber with flexible walls which allow reduction in volume and telescopic two-part housing
10/27/2004EP1471339A2 Tension detection apparatus of endless loop power transferring member and torque detection apparatus using the same
10/27/2004CN1172799C Actuator control in micro electromechanical liquid injection device, its method and injection device
10/26/2004US6808369 System for regulating fluid pump pressures
10/26/2004US6808086 Paste ejection apparatus
10/21/2004WO2004090393A1 Pumping system valve and replacement kit for a valve
10/21/2004US20040208761 Device for pressurized perfusion especially for culturing and/or treating cells
10/21/2004US20040208750 Fluid discharge pumping apparatus
10/21/2004US20040206229 Additive injection device
10/20/2004CN2649804Y Pedal liquid pump
10/20/2004CN2649803Y Pneumatic drive pump
10/20/2004CN1539060A High pressure feed pump
10/20/2004CN1538066A Emulsified liquid pump having five-plunger four-bearing structure
10/20/2004CN1172086C Pneumatic plunger type grouting pump and slurry-dispensing machine and automatic slurry-dispensing grouting equipment
10/19/2004CA2379766C Method and apparatus for compressing a gas to a high pressure
10/14/2004US20040202554 Micro pump
10/14/2004US20040200857 Dispenser for hardenable viscous pasty compound
10/14/2004US20040200724 Microfluidic device
10/13/2004EP1467096A2 Pump and fuel cell
10/13/2004EP1466671A2 Dispenser
10/13/2004EP1466669A1 Pump to spray a product in different positions and container therefor
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