| 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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| 07/04/2006 | CA2300748C Liquid despensing pump |
| 06/29/2006 | WO2006067241A1 Seawater desalination system using reverse osmosis |
| 06/29/2006 | DE102004062696A1 Hydraulic pump e.g. for hydraulic lifting devices has pump piston which is supported in cylinder section of rapid travel piston and pump piston has adjustable stroke whereby rapid travel piston, over pretensioned spring, supports piston rod |
| 06/29/2006 | DE102004062695A1 Hydraulic pump for hydraulic lifting device, has translator housing with low pressure connection that communicates with translator area, and actuation device producing pneumatic or hydraulic low pressures and attachable at connection |
| 06/28/2006 | CN2791298Y Crude-oil viscosity-reducing-liquid boosted feeding pump |
| 06/28/2006 | CN1261714C Automatic lubricating device |
| 06/28/2006 | CN1261184C Filter press type dewatering system, dewatering method, degaser, check valve, and switch valve |
| 06/27/2006 | US7066359 Dispenser for the discharge of flowable media |
| 06/27/2006 | US7066353 Fluid powered additive injection system |
| 06/22/2006 | WO2006063562A1 Pump arrangement for transporting a liquid from a borehole |
| 06/22/2006 | US20060131344 Manual liquid metering device and cartridge |
| 06/20/2006 | US7064472 Electroactive polymer devices for moving fluid |
| 06/20/2006 | US7063235 Metering pump dispenser |
| 06/15/2006 | US20060127255 Sealing structure of an up-down type piston assembly for exhausting a content |
| 06/15/2006 | US20060124546 Continuously desalinating sea water by reverse osmosis, where salt water is introduced under first pressure into pressure compensating device, salt water is introduced from pressure compensating device at second increased pressure and separated into desalinated water and concentrated sea water |
| 06/14/2006 | EP1669598A2 Improved fluid pump |
| 06/14/2006 | EP1669597A1 Plunger pump apparatus |
| 06/14/2006 | DE102004023195B4 Radialkolbenpumpe mit Ausgleichsgewicht Radial piston pump with counterweight |
| 06/14/2006 | CN2787876Y Press structure of leakproof hand pump |
| 06/14/2006 | CN2787871Y Piston type water pump |
| 06/14/2006 | CN1788160A Device and method for controlling a thick matter pump |
| 06/14/2006 | CN1788159A Device and method for controlling a thick matter pump |
| 06/14/2006 | CN1788158A Device and method for controlling a two-cylinder thick matter pump |
| 06/14/2006 | CN1786475A Liquid pump |
| 06/13/2006 | US7059836 Pump |
| 06/08/2006 | WO2006059603A1 Permanent magnet for motor, motor housing and motor device |
| 06/08/2006 | WO2005016411A3 Syringe pump |
| 06/07/2006 | EP1665305A2 Magneto-mechanical apparatus |
| 06/07/2006 | EP1664618A1 Device for generating and maintaining a desired pressure/flow |
| 06/07/2006 | EP1664532A1 Reciprocating pump and use of said reciprocating pump |
| 06/07/2006 | CN1782392A Bearing, bearing mechanism, and plunger pump |
| 06/07/2006 | CN1258647C Hand operated pump for small amount spray |
| 06/06/2006 | US7056096 Pump |
| 05/31/2006 | EP1660755A2 Portable, surface-mounted well pump |
| 05/24/2006 | EP1490597B1 Method and apparatus for compressing a gas to a high pressure |
| 05/24/2006 | CN1777753A Hermetic compressor |
| 05/24/2006 | CN1776215A High pressure fuel pump |
| 05/23/2006 | US7048801 Chemical pump and method of discharging chemical solution |
| 05/23/2006 | US7048512 Method and system intended for fine proportioning of fluids injected into a pumping installation with check valve proportioning compensation |
| 05/18/2006 | WO2005074508A3 Molecular separator |
| 05/17/2006 | EP1349265B1 Linear compressor drive device |
| 05/17/2006 | CN2781032Y Pump body of high pressure cleaning machine |
| 05/17/2006 | CN1256508C Positive displacement machinery |
| 05/10/2006 | CN2779105Y Explosion type spraying pump |
| 05/10/2006 | CN2779104Y Pressure boost grouting pump |
| 05/10/2006 | CN2779103Y High pressure mixed fluid pump |
| 05/10/2006 | CN2779102Y Multifunctional high voltage mud injecting pump |
| 05/09/2006 | US7040873 Multi pumping chamber magnetostrictive pump |
| 05/09/2006 | US7040511 Pump for dispensing fluid product, and fluid product dispensing device comprising same |
| 05/09/2006 | US7040276 Drive shaft coupling device |
| 05/04/2006 | DE102005038247A1 Feder mit Arm und wegwerfbarer Spender Spring arm and disposable dispenser |
| 05/04/2006 | DE102004052168A1 Reciprocating engine for compressing gas, has linear motor utilized as linear drive, where reciprocating engine is driven by linear drive and not by crank drive or fluid, and can be operated with or without lubrication |
| 05/03/2006 | EP1651866A1 Eccentric drive mechanism for volumetric pumps or motors |
| 05/03/2006 | CN2777241Y Coupled reciprocating movement diaphragm pump with linkage axle |
| 05/03/2006 | CN1254607C Pump |
| 05/02/2006 | US7037081 High pressure reciprocating pump and control of the same |
| 05/02/2006 | CA2143161C Pump particularly useful in respirator apparatus |
| 04/27/2006 | DE112004000749T5 Fluidpumpe Fluid pump |
| 04/27/2006 | DE10205216B4 Betätigungsvorrichtung mit variablem Hub für ein oszilierendes Bauteil Actuator with variable stroke for Oscillating component |
| 04/27/2006 | DE10125669B4 Pumpe, insbesondere Plungerpumpe Pump, especially plunger pump |
| 04/26/2006 | EP1650433A2 Metering pump control system |
| 04/26/2006 | CN2775341Y Paste material transport pump |
| 04/26/2006 | CN2775340Y Hand operated high pressure well head |
| 04/25/2006 | US7034432 Electroactive polymer generators |
| 04/20/2006 | US20060083634 Pressure washer having oilless high pressure pump |
| 04/20/2006 | DE202006002243U1 Hydraulische Vorrichtung mit Schmierpumpe A hydraulic device with lubricating pump |
| 04/20/2006 | DE102004050977A1 Dosiervorrichtung für wenigstens ein Medium Dosing for at least one medium |
| 04/19/2006 | EP1646788A1 Piston machine |
| 04/19/2006 | CN2773343Y Manpower water pump |
| 04/19/2006 | CN1760542A Movable manpower trampling mode water pump providing continuous flow in labor saving type |
| 04/13/2006 | WO2006037171A1 An improved reciprocating pump |
| 04/13/2006 | DE102004048714A1 Radialkolbenpumpe Radial piston pump |
| 04/13/2006 | DE102004048711A1 Radialkolbenpumpe mit Rollenstößel Radial piston pump with roller plunger |
| 04/12/2006 | EP1646129A1 Motor with eccentric part and pump device using the same |
| 04/12/2006 | CN2771508Y Copper liquid differential pressure pump for nitrogenous fertilizer production |
| 04/12/2006 | CN1759244A Spring fixing structure of reciprocating compressor |
| 04/12/2006 | CN1757915A Ground dual-pressure hydraulic filling booster pump |
| 04/12/2006 | CN1757913A Method and device of water pumping power generating using animal trailing power |
| 04/12/2006 | CN1250337C Liquid pump dispenser capable of preventing child from using |
| 04/11/2006 | CA2393675C Mold cooling device |
| 04/11/2006 | CA2346525C Reservoir connector |
| 04/06/2006 | WO2006036075A1 Pump |
| 04/06/2006 | US20060070939 Animal powered mechanical device for water desalination |
| 04/06/2006 | DE202004018603U1 Blocking element for sealing of chamber formed by pump casing and pump plunger prevents flow or migration of oil between oil inlet opening and oil outlet opening in pump casing, and/or from oil outlet opening into pump drive region |
| 04/06/2006 | DE10233502B4 Vierkammermembranpumpe Four-chamber diaphragm pump |
| 04/06/2006 | DE10133349B4 Vierkammer-Membranpumpe Four-chamber diaphragm pump |
| 04/05/2006 | EP1642615A2 Reservoir connector |
| 04/05/2006 | EP1642029A2 Pump for tail production of oil |
| 04/05/2006 | CN2769548Y Single-rod double-piston liquid pump |
| 04/05/2006 | CN2769547Y Double-plunger hand-operated pump |
| 04/05/2006 | CN1249347C Composite piston for vibration pump |
| 04/05/2006 | CN1249341C Pumping arrangement |
| 04/05/2006 | CN1248783C Droplets forming method and device for discharging constant-volume droplets |
| 03/30/2006 | US20060067842 Simplified piston slidable in a cylinder |
| 03/30/2006 | US20060067837 Vehicle air conditioner in which shaft seal is protected |
| 03/29/2006 | EP1421278B1 Pumping arrangement |
| 03/29/2006 | CN2767516Y Toilet flushing device for countryside |
| 03/29/2006 | CN1752441A Hydraulic reciprocating pump |
| 03/28/2006 | US7018477 Dispensing system with a piston position sensor and fluid scanner |
| 03/28/2006 | CA2387743C Piston pump |