| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 09/26/1996 | WO1996029515A1 Multiple piston pump |
| 09/19/1996 | DE19511677A1 Membrane piston pump, e.g. for abrasive or chemically aggressive media |
| 09/04/1996 | EP0592411B1 Apparatus for repetitively dispensing a measured volume of liquid |
| 08/28/1996 | EP0602231B1 Hydrostatic machine with axial thrust compensation |
| 08/15/1996 | WO1996024767A1 Process and device for feeding concrete or other thick materials |
| 08/15/1996 | WO1996024766A1 Adjustable hydrostatic pump |
| 08/14/1996 | EP0726392A1 Machine for pumping building materials |
| 08/14/1996 | EP0592395B1 A pump assembly comprising two displacement pumps |
| 08/14/1996 | DE19504220A1 Verstellbare hydrostatische Pumpe Adjustable hydrostatic pump |
| 08/08/1996 | DE19503986A1 Verfahren und Vorrichtung zum Fördern von Beton oder anderen Dickstoffen Method and device for conveying concrete or other thick materials |
| 07/18/1996 | WO1996021519A2 Airless paint sprayer intake dampener and inlet valve spring |
| 06/27/1996 | DE19547308A1 Vibration damping for pumped hydraulic systems |
| 06/26/1996 | EP0718957A1 Pump for a high pressure cleaning appliance |
| 06/25/1996 | US5529466 Reciprocating valved piston hydraulic pump assembly for anti-lock braking system |
| 06/13/1996 | WO1996018036A1 Pump pressure multiplier |
| 06/12/1996 | CN1124318A Series double hydro-cylinder potential energy balance type full stroke uniform straight motion hydraulic oil pumping machine |
| 05/23/1996 | DE4441449A1 Hydrostatic machine with pistons in cylinders |
| 05/14/1996 | US5516266 Fuel pump tubular pulse damper |
| 05/08/1996 | EP0486556B1 Pulseless piston pump |
| 05/01/1996 | EP0709572A1 Pumping system with pistons displacing fluids at a constant flow rate |
| 04/23/1996 | US5509787 Hydraulic actuator for pressure switch of fluidic system |
| 04/18/1996 | WO1996011346A1 Automatic gearbox with a positive-displacement pump |
| 04/11/1996 | DE4435593A1 Automatgetriebe mit einer Verdrängerpumpe Automatic transmission with a positive displacement pump |
| 03/28/1996 | DE19527545A1 Pressure pulse damper with cellular plastics component |
| 03/21/1996 | WO1996008651A1 Engineered pumping segment |
| 02/29/1996 | DE19531064A1 Hydraulic pump |
| 02/20/1996 | US5492451 Apparatus and method for attenuation of fluid-borne noise |
| 02/15/1996 | WO1996004107A1 Hydraulic drive unit |
| 01/25/1996 | DE4425929A1 Radial piston pump for oil suction |
| 01/24/1996 | EP0582625B1 Process and device for the controlled metering of at least one pourable component |
| 12/13/1995 | EP0686768A2 Positive displacement pump with cylinder end cap |
| 12/13/1995 | EP0686767A2 Positive displacement pump with compliant ball support means |
| 12/07/1995 | DE4445521C1 Pump for high=pressure cleaning device |
| 11/30/1995 | WO1995032387A1 Shock absorber for liquid conduits |
| 11/29/1995 | CN1112663A Electromagnetic pump having an automatic exhaust-control valve |
| 11/15/1995 | EP0681653A1 Cyclic hydraulic pump. |
| 11/09/1995 | WO1995030100A1 Method and apparatus for reduction of fluid borne noise in hydraulic systems |
| 11/07/1995 | US5464330 Cyclic hydraulic pump improvements |
| 10/17/1995 | US5458470 Pumping apparatus |
| 10/05/1995 | WO1995026470A1 Variable displacement electro-hydraulic pump |
| 10/05/1995 | WO1995026469A1 Pulsation-poor reciprocating piston pump |
| 10/05/1995 | DE4410910A1 Pulsationsarme Hubkolbenpumpe Reciprocating pump pulsation |
| 10/05/1995 | DE4410719A1 Elektrohydraulisch verstellbare Pumpe Electric adjustable pump |
| 10/04/1995 | EP0587678B1 A pump system |
| 09/26/1995 | US5452646 Hydrostatic motor with axial thrust offset |
| 09/21/1995 | WO1995025223A1 Low power electromagnetic pump |
| 08/30/1995 | EP0669462A1 Method to adjust the pulse amplitude and concrete pump |
| 08/10/1995 | DE19503360A1 Pump with precise flow regulation |
| 08/03/1995 | WO1995020723A1 Hydraulic actuator for pressure switch of fluidic system |
| 07/27/1995 | CA2140198A1 Hydraulic actuator for pressure switch of fluidic system |
| 07/18/1995 | CA2094185C Pumping of liquified gas |
| 05/16/1995 | US5415528 Solution pumping for maximizing output while minimizing uneven pumping pressures |
| 04/27/1995 | DE4336087A1 Thick-matter accumulator |
| 04/13/1995 | DE3249765C2 Refrigerating compressor (cooling compressor) encapsulated in an airtight fashion |
| 03/22/1995 | EP0643808A1 Reduced pulsation tapered ramp pump head |
| 03/16/1995 | WO1995007411A1 Hydraulic pump output pressure compensation system |
| 03/02/1995 | DE4328520A1 Pulsation dampener (pulsation damper, ripple damper) for liquids |
| 01/31/1995 | US5385452 Hydraulic fluid pressurizer with fluid cushioning means |
| 01/11/1995 | EP0633400A2 Adaptiv hydropneumatic pulsation damper |
| 01/10/1995 | US5379593 Liquid pressure source unit for liquid-operated booster |
| 12/20/1994 | US5374169 Fuel pump tubular pulse damper |
| 12/20/1994 | US5374167 Feed pump for a hydraulic system |
| 11/24/1994 | WO1994020753A3 Cyclic hydraulic pump |
| 11/24/1994 | DE4323574C1 Hydraulic tool |
| 11/03/1994 | DE4313878A1 Method and embodiments for the prevention of cavitation processes in an injection pump with bevel edge control |
| 10/26/1994 | EP0621523A2 Method for providing high-precision volumetric flow at low flow rate and apparatus therefor |
| 10/19/1994 | EP0619859A1 Peristaltic pump having means for reducing flow pulsation. |
| 10/13/1994 | DE4311930A1 Mechanische Brennstoffpumpe Mechanical fuel pump |
| 10/04/1994 | US5351716 Concrete distributor system |
| 09/15/1994 | WO1994020753A2 Cyclic hydraulic pump |
| 09/15/1994 | CA2157906A1 Cyclic hydraulic pump |
| 09/08/1994 | DE4306921A1 Booster pump for a hydraulic system |
| 07/19/1994 | US5330327 Transfer tube material flow management |
| 07/14/1994 | DE4301287A1 Slip-controlled hydraulic braking system for vehicle |
| 07/07/1994 | WO1994015099A1 Solution pumping system for maximizing output while minimizing pumping pressures |
| 07/07/1994 | CA2145294A1 Solution pumping system for maximizing output while minimizing pumping pressures |
| 06/30/1994 | DE4243667A1 Piston pump for hydraulic system with non-return type inlet valve |
| 06/29/1994 | CN1088664A Concrete pump with conveying cylinder, especially double-cylinders concrete pump |
| 06/23/1994 | DE4243075A1 Control system for hydraulic pump |
| 06/22/1994 | EP0602231A1 Hydrostatic machine with axial thrust compensation. |
| 06/08/1994 | EP0600168A1 Positive displacement pump |
| 06/01/1994 | EP0599599A1 Electrohydraulic pump load control system |
| 05/31/1994 | US5316453 Slurry pump with discharge cylinders, especially two-cylinder concrete pump |
| 05/24/1994 | US5314315 Hydraulic pump output pressure compensation system |
| 05/18/1994 | EP0597610A1 Liquid pressure source unit for liquid-operated booster |
| 04/20/1994 | EP0592411A1 Apparatus for repetitively dispensing a measured volume of liquid. |
| 04/20/1994 | EP0592395A1 A displacement pump as well as a pump assembly comprising two displacement pumps. |
| 04/19/1994 | US5304041 Method and device for dosing pumping |
| 04/14/1994 | WO1994008138A1 Peristaltic pump having means for reducing flow pulsation |
| 03/31/1994 | DE4302977A1 Hydraulic plant with pump or motor - generates 180 deg. phase-displaced compensation wave against uneven surface of pressure medium flow |
| 03/30/1994 | EP0589505A1 Pump control system |
| 03/24/1994 | DE4231785A1 Radial piston pump with resonator - which is surrounded by housing, between which and resonator is intermediate space |
| 03/23/1994 | EP0587678A1 A pump system. |
| 02/16/1994 | EP0582625A1 Process and device for the controlled metering of at least one pourable component. |
| 02/16/1994 | EP0401320B1 Hydraulic pump |
| 01/26/1994 | EP0580018A1 Concrete-conveying arrangement |
| 01/25/1994 | US5281101 Water supply system and method of operation thereof |
| 01/20/1994 | WO1994001676A1 Hydrostatic machine with axial thrust compensation |
| 01/12/1994 | EP0578390A1 An integrated electric motor-driven inline hydraulic apparatus |
| 01/05/1994 | DE4221705A1 Hydrostatische Maschine mit axialem Schubausgleich Hydrostatic machine with axial thrust balancing |