| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
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| 06/05/2002 | EP1211217A1 Bottle coupler |
| 06/05/2002 | CN2494433Y Water pump |
| 06/04/2002 | US6400897 Handy type smoke generator |
| 06/04/2002 | US6398527 Reciprocating motor with uni-directional fluid flow |
| 06/04/2002 | US6398514 Double-acting rod pump |
| 06/04/2002 | US6397729 High pressure pump having bearing assembly pre-load apparatus |
| 05/30/2002 | WO2001088392A3 Roller bearing, piston pump and pump unit |
| 05/29/2002 | EP1208984A1 Fluid ejector |
| 05/29/2002 | EP1208287A1 Airless spray pump |
| 05/29/2002 | EP0883743B1 Apparatus for use in a liquid circulation system and method for using said apparatus |
| 05/29/2002 | DE10118284A1 Automatic lubrication device for hydraulically operating tool includes eccentric mounted on shaft body through freewheel mechanism and driven through free end of shift piston |
| 05/29/2002 | CN2493753Y Emulsion pump |
| 05/29/2002 | CN1351691A Reciprocating fluid machines |
| 05/28/2002 | US6394773 Pump for concentrate packages |
| 05/28/2002 | US6394762 Fuel pump |
| 05/28/2002 | CA2360314A1 Piston apparatus for gas/liquid pipeline |
| 05/28/2002 | CA2189933C Precompression pump sprayer |
| 05/23/2002 | DE10055262A1 Hydrostatic axial piston machine in inclined disc construction method |
| 05/22/2002 | CN2492689Y Hand pressed water pump |
| 05/21/2002 | US6390785 High efficiency booster for automotive and other applications |
| 05/21/2002 | US6390338 Pump for fitting to a receptacle, the pump including an elastically deformable membrane outside the pump chamber |
| 05/21/2002 | US6389955 Pump assembly for a slip-controlled hydraulic brake system for a vehicle |
| 05/16/2002 | WO2002038958A1 Method for controlling a pump arrangement consisting of two hydraulically driven plunger piston pumps |
| 05/16/2002 | US20020057972 Overmolded elastomeric diaphragm pump for pressurization in inkjet printing systems |
| 05/16/2002 | US20020056365 Variable rate pump |
| 05/15/2002 | EP1205255A1 Pump for dispensing a product, especially a cosmetic product or a care product |
| 05/15/2002 | EP1204460A1 Method and device for desalting water |
| 05/15/2002 | EP1114223A4 Oscillating dual bladder balanced pressure proportioning pump system |
| 05/15/2002 | CN2491618Y Multifunctional manually operated water/gas pump |
| 05/15/2002 | CN1084645C Plunger lock-up dispenser |
| 05/14/2002 | US6386841 Pneumatically operated hydraulic pump |
| 05/10/2002 | WO2002016766A3 Reciprocating motor with unidirectional fluid flow |
| 05/08/2002 | EP1203618A1 Pump provided with a decompression device |
| 05/08/2002 | EP0951342B1 Fluid driven pumps and apparatus employing such pumps |
| 05/08/2002 | CN2490328Y Self-operated high-pressure alcohol pouring pump |
| 05/08/2002 | CN2490327Y Siphon gravity water lifts |
| 05/08/2002 | CN1348063A 直线往复式压缩机 Linear reciprocating compressors |
| 05/07/2002 | US6382471 Pump including a moving member provided with a central duct and a diaphragm having engagement means bearing against said central duct, and a receptacle fitted therewith |
| 05/07/2002 | CA2293516C Reciprocating pumps with linear motor driver |
| 05/07/2002 | CA2166655C Bellows pump dispenser |
| 05/02/2002 | WO2002034621A2 High-pressure aircraft pneumatic deicer |
| 05/02/2002 | WO2001089695A3 Valve for use in microfluidic structures |
| 05/02/2002 | US20020051717 Miniature pump |
| 05/02/2002 | US20020051714 Pump |
| 05/02/2002 | US20020051710 Apparatus and method for controlling operation of reciprocating compressor |
| 05/02/2002 | EP1201926A2 Miniature pump |
| 05/02/2002 | EP1200738A1 A pumping arrangement for pumping a liquid product from a tank or container |
| 05/01/2002 | CN1347387A Thermal actuator shaped for more uniform temp. profile |
| 05/01/2002 | CN1347386A Actuator element |
| 05/01/2002 | CN1347369A Actuator control in micro electromechanical liquid injection device |
| 05/01/2002 | CN1346937A Device and method for controlling reciprocating compressor operation |
| 05/01/2002 | CN1083941C 热回收装置 Heat recovery |
| 04/25/2002 | WO2002033309A1 Autogenous lubricating device |
| 04/25/2002 | WO2002033258A1 Hand operated pump for ejaculating small amount |
| 04/25/2002 | DE10116450A1 Brennstoff-Versorgungsvorrichtung mit variabler Zuführung Fuel supply apparatus with variable feed |
| 04/25/2002 | DE10034239A1 Hydrotransformator Hydro transformer |
| 04/24/2002 | EP0861375B1 Process and device for controlling a two-cylinder thick medium pump |
| 04/24/2002 | CN2487885Y Stopper type water raiser |
| 04/23/2002 | US6375432 Pipeline air pocket detection system |
| 04/23/2002 | US6374602 Control system for a hydraulic transformer having variable pressure input |
| 04/18/2002 | US20020045861 Syringe pumps |
| 04/18/2002 | US20020043951 Method and apparatus for detection of occlusions |
| 04/18/2002 | US20020043540 Pump for fitting to a receptacle, the pump including an elastically deformable membrane outside the pump chamber |
| 04/18/2002 | US20020043502 Accumulator/second pump in fluid communication with a first pump, filter between them; second pump operates independent of first pump; for high purity fluids; microelectronics |
| 04/18/2002 | DE19933147C2 Verfahren und Vorrichtung zum Entsalzen von Wasser Method and apparatus for desalinating water |
| 04/16/2002 | US6371008 Water-raising pump |
| 04/16/2002 | CA2058308C Conical rod piston |
| 04/11/2002 | US20020040704 Variable delivery fuel supply device |
| 04/10/2002 | EP1194691A1 Piston pump, method and installation for filtering water |
| 04/10/2002 | EP1194247A1 Improved pre-compression spray pump |
| 04/10/2002 | CN2485445Y Manpower water pump |
| 04/10/2002 | CN1344183A 回吸泵 Suction pump |
| 04/09/2002 | US6368079 Piezoelectric micropump |
| 04/09/2002 | US6368074 Piston type compressor |
| 04/04/2002 | US20020039537 Disposable mechanism for taking out a fixed amount of fluid and system for supplying a fixed amount of fluid |
| 04/04/2002 | US20020038555 Rotating compressor |
| 04/03/2002 | CN2484418Y Double-cylinder hand-driven water-suction pump |
| 04/03/2002 | CN2484417Y Universal pump |
| 04/02/2002 | US6364640 Pump with a pulsation suppression device |
| 04/02/2002 | US6364639 Pump |
| 04/02/2002 | US6364453 Thermal actuator |
| 03/28/2002 | WO2002024376A1 Mold cooling device |
| 03/28/2002 | US20020037224 Compressor employing piston-ring check valves |
| 03/27/2002 | CN1342246A Composite piston for vibration pump |
| 03/27/2002 | CN1342106A Fluid dispensing apparatus |
| 03/27/2002 | CN1081747C Double diaphragm pump |
| 03/26/2002 | US6362591 Method and apparatus for detection of occlusions |
| 03/26/2002 | CA2294410C Control system for reciprocating device |
| 03/21/2002 | WO2002023040A1 Arrangement at a piston engine and method of controlling the pistons |
| 03/21/2002 | WO2002022358A1 Piezoelectric actuator and pump using same |
| 03/21/2002 | US20020034452 High-pressure hydraulic fuel pump |
| 03/21/2002 | US20020034444 Water-powered sump pump |
| 03/21/2002 | DE10041486A1 Hand operated pump for fuel injection system of internal combustion engine, has return spring arranged within working area of pump cylinder |
| 03/21/2002 | CA2431677A1 Piezoelectric actuator and pump using same |
| 03/20/2002 | CN2482590Y Hand-operated piston pump |
| 03/20/2002 | CN1341042A Improved pre-compression spray pump |
| 03/20/2002 | CN1340364A Pump for injector |
| 03/19/2002 | US6357524 System for using inert gas in oil recovery operations |
| 03/19/2002 | US6357235 Power generation system and method |
| 03/14/2002 | US20020032095 Pump drive apparatus |