| 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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| 05/09/2001 | CN1065496C Bellows pump dispenser |
| 05/08/2001 | US6227821 Two-cylinder pump |
| 05/03/2001 | WO2001031198A1 Motor-pump aggregate |
| 05/03/2001 | WO2001030421A2 Plunger plug with stiffening insert |
| 05/02/2001 | EP1096147A2 Pump with a pulsation suppression device |
| 05/02/2001 | EP1096146A2 Diaphragm pump |
| 05/02/2001 | EP1095871A1 Pump for a container comprising a resiliently deformable membrane located outside the pump chamber |
| 05/02/2001 | CN2428594Y Efficient plunger pump |
| 05/02/2001 | CN1065322C Automatic water pumping machine using multiple sorts of micro-energy |
| 04/26/2001 | WO2001029416A1 Fluid operated hydraulic pump |
| 04/26/2001 | WO2001029415A1 Piston pump |
| 04/26/2001 | DE19950160A1 Piezo-powered pump for hydraulic vehicle braking system has elastic element enclosing pump chamber communicating with inlet, outlet with volume varied by deforming elastic element |
| 04/25/2001 | CN2427646Y Portable and two purpose high pressure inflator |
| 04/24/2001 | US6220827 Electromotor/pump assembly |
| 04/24/2001 | US6220760 Three-ring needle bearing |
| 04/19/2001 | WO2001027464A1 Common-rail fuel injection system |
| 04/19/2001 | DE19948747A1 Safety reset system of pneumatic valve actuator, includes compressed air reservoir for resetting |
| 04/19/2001 | DE19946842A1 Hochdruckpumpe High pressure pump |
| 04/18/2001 | EP1092674A1 Self-contained pneumatic beverage dispensing system |
| 04/17/2001 | CA2146849C Compact water filtration and purification pump |
| 04/17/2001 | CA2035255C De-sludging systems |
| 04/12/2001 | DE19948464A1 Common-Rail-Kraftstoffeinspritzsystem Common-rail fuel injection system |
| 04/11/2001 | EP1091123A2 Housing for a swash plate compressor |
| 04/11/2001 | EP1090227A1 Eccentric system |
| 04/11/2001 | CN1290813A Piston type compressor |
| 04/05/2001 | WO2001023752A1 High pressure pump |
| 04/03/2001 | US6210131 Fluid intensifier having a double acting power chamber with interconnected signal rods |
| 04/03/2001 | US6210129 High-pressure pump for a fuel injection device of an internal combustion engine |
| 04/03/2001 | US6210125 Water system with both electric motor power and manual pedal power, for a reciprocating pump |
| 04/03/2001 | US6209761 Pump with air intake |
| 04/03/2001 | US6209760 Media dispenser |
| 03/29/2001 | WO2001021525A1 Precision dispensing pump and method of dispensing |
| 03/29/2001 | DE10036248A1 Blocking/non-return valve system has sensor that determines piston position and controller that controls actuator so that it moves valve pin depending on sensed piston position |
| 03/28/2001 | CN2425211Y Piston oil pressure diaphragm-type liquid pump |
| 03/28/2001 | CN1063830C Hydraulic automatic control reciprocating pump |
| 03/28/2001 | CN1063829C Gas-supply pump |
| 03/27/2001 | US6206968 Apparatus for coating products |
| 03/27/2001 | US6206658 Organic substance processing system and organic substance processing apparatus |
| 03/27/2001 | US6206245 Pump with a delivery valve including a ball |
| 03/27/2001 | US6205980 High-pressure delivery pump |
| 03/22/2001 | WO2001020166A1 Dual diaphragm pump |
| 03/22/2001 | CA2384993A1 Dual diaphragm pump |
| 03/21/2001 | EP1084764A1 Dispensing device for a container |
| 03/21/2001 | EP1084334A1 Erfahren |
| 03/21/2001 | CN2424309Y Dual-cylinder water extractor |
| 03/21/2001 | CN2424308Y Hand pump |
| 03/20/2001 | US6203696 Fluid driven pumps and apparatus employing such pumps |
| 03/20/2001 | US6203289 Hydraulic alternating volumetric pumping system |
| 03/20/2001 | US6203288 Reciprocating pumps with linear motor driver |
| 03/20/2001 | US6202538 Radial piston pump |
| 03/15/2001 | WO2001018396A1 Programmable, fluid pressure actuated blood processing systems and methods |
| 03/15/2001 | WO2001017690A1 Improved pump for dispensing fluid product,and fluid product dispensing device comprising same |
| 03/15/2001 | WO2001017588A1 Uninterrupted flow pump apparatus and method |
| 03/15/2001 | DE19939130A1 Axialkolbentriebwerk mit einem stufenlos verstellbaren Kolbenhub With a continuously variable axial piston stroke |
| 03/15/2001 | DE19936479C1 Industrial dosing method for viscous medium uses program-controlled operation of servo motor for dosing pump and electrically-operated valves |
| 03/14/2001 | EP1083004A1 Pump for a container |
| 03/14/2001 | CN1063109C Precompression pump sprayer |
| 03/08/2001 | WO2001016462A1 Airless spray pump |
| 03/07/2001 | CN2422465Y Rotary piston water pump by muscle-power operation |
| 03/07/2001 | CN2422464Y Water press machine |
| 03/01/2001 | DE19937802A1 Single-cylinder high pressure pump for common-rail fuel injection systems in IC engines has guide cylinder with ball loosely guided on end of pump piston |
| 02/28/2001 | CN2421426Y Double-oil-way double-flow band hydraulic pump |
| 02/27/2001 | US6193476 1½ Piston force pump |
| 02/22/2001 | WO2001012988A1 Axial piston drive mechanism with a continuously adjustable piston stroke |
| 02/21/2001 | CN2420438Y Low temperature liquid piston pump with thermal insulation shell |
| 02/20/2001 | US6189433 Pneumatically driven bellows pump |
| 02/15/2001 | DE19923364C2 Pumpsystem mit in einem Multifunktionskörper integrierten hydraulischen Rührrwerk für handbetätigte Rückenspritzen Pumping system integrated into a multi-function hydraulic body Rührrwerk for manually operated knapsack sprayers |
| 02/14/2001 | EP1076180A2 Fuel pump |
| 02/14/2001 | EP0823023B1 Double-acting pump |
| 02/13/2001 | US6186369 Pump |
| 02/13/2001 | US6186368 Manually actuated pump assembly |
| 02/13/2001 | US6186171 Pneumatically driven liquid supply apparatus |
| 02/13/2001 | CA2229030C Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 02/07/2001 | EP1074735A2 Piston pump driven by adjustable eccentrics |
| 02/07/2001 | EP1074479A1 Membrane pump for container |
| 02/07/2001 | CN2418269Y Manual water-pumping machine |
| 02/07/2001 | CN1282839A High pressure fuel pump and its cam |
| 02/01/2001 | DE19933570A1 Radial piston pump esp. for feeding fuel in injection system of combustion engine |
| 01/31/2001 | EP1072787A2 High-pressure fuel pump and cam for high-pressure fuel pump |
| 01/31/2001 | EP1071880A1 Ignition control device and method |
| 01/31/2001 | CN2417299Y Machine for automatically lifting water |
| 01/30/2001 | US6179586 Dual diaphragm, single chamber mesopump |
| 01/30/2001 | US6179574 Apparatus for pressurizing fluids and using them to perform work |
| 01/30/2001 | US6179568 Piston pump and method of reducing vapor lock |
| 01/25/2001 | WO2001006575A1 Improved electroactive polymers |
| 01/25/2001 | WO2001005490A1 Method and device for desalting water |
| 01/25/2001 | WO2000040864A3 Pump |
| 01/25/2001 | DE19933147A1 Verfahren und Vorrichtung zum Entsalzen von Wasser Method and apparatus for desalinating water |
| 01/24/2001 | EP1070670A1 Diaphragm pump and container incorporating the same |
| 01/23/2001 | US6176348 Multiple-pump system for lubricating |
| 01/19/2001 | CA2314824A1 Diaphragm pump and container so equipped |
| 01/17/2001 | EP1068453A1 Injection pump for dye dispensing machine |
| 01/17/2001 | EP1068451A1 Diaphragm pump and pump for double-breast pumping |
| 01/17/2001 | EP1068449A1 Pump unit for a slip-regulated hydraulic automobile brake system |
| 01/17/2001 | EP1067975A1 Metered dose infusion pump and method |
| 01/16/2001 | US6174144 Diaphragm piston pump |
| 01/11/2001 | WO2001002100A1 Improved pre-compression spray pump |
| 01/10/2001 | CN2414216Y Automatic water-pumping reciprocative pump without other energy source |
| 01/09/2001 | US6171081 Fuel pump assembly |
| 01/09/2001 | US6171075 Process and device for controlling a two-cylinder thick medium pump |