Patents for F04B 23 - Pumping installations or systems (4,078)
10/1988
10/18/1988US4778350 Hydraulic pump assemblies
10/18/1988US4778349 Multiple machine drive shaft and coupling adapter assembly
10/12/1988CN87213672U Energy-saving device for a gas pump
10/11/1988US4776771 Metering pump
10/05/1988CN87212785U Small-sized water pump for deep well
09/1988
09/28/1988EP0284241A2 Vane pump
09/15/1988DE3805866A1 Fuel feed system
09/07/1988EP0280901A2 Plunger pump
08/1988
08/31/1988EP0280551A2 Container pump combination
08/31/1988EP0279910A2 Pump with a modular assembly
08/17/1988CN87203463U Oil serous separat or for oil separating pump
08/10/1988CN87203462U Water-segregated pulp pump
08/03/1988EP0276228A1 Two stage pump sampler
07/1988
07/06/1988CN87214468U Automatic adjustable air-filling device for pneumatic water-supplying tank
07/05/1988US4755112 Water/air pumping system
06/1988
06/16/1988DE3642125A1 Suction fittings for dosing pumps or the like
06/01/1988EP0269500A2 Plunger pump of quick pressure-rise type
05/1988
05/18/1988EP0267666A2 Plug-in type pump assembly
05/10/1988CA1236437A1 Systems for feeding liquid substances
05/03/1988US4741673 Apparatus for and a method of transferring liquid
04/1988
04/27/1988EP0265145A2 Hydro-pneumatic pumpsets
03/1988
03/30/1988EP0261180A1 Anti-contamination flow control in liquids.
03/29/1988US4734016 Plug-in type pump assembly
03/23/1988EP0260464A1 Dosing pump
03/23/1988EP0260463A1 Dosing pump
03/09/1988CN87207211U Rotary cam pump
03/09/1988CN87106319A Reciprocal multifunctional suction-compression pump with a cylinder and two chambers
03/02/1988EP0257879A1 Lubrication pump
03/01/1988CA1233365A1 Centrifugal pump
01/1988
01/26/1988US4721438 Motor-driven fluid pump
01/12/1988USRE32577 Fluid pumping device for use with a fluid pump
12/1987
12/30/1987CN87102922A Two-valve down stream pipe pump and its connection method
12/08/1987CA1230008A1 Fluid driven pump with one-way valve in fluid inlet
11/1987
11/25/1987EP0246321A1 Multiple machine drive shaft and coupling adapter assembly
11/17/1987US4706937 Automobile compressor-jack device
11/11/1987EP0244516A1 Combination fluid tank, air/fluid cooler and prime mover/pump mounting system for a hydraulic power unit
10/1987
10/29/1987DE3712412A1 Device for improving the adhesion of the non-return valves constructed as plug-in cartridges in the housing of a radial piston pump
10/28/1987CN86210664U Vertical water-isolation mud pump
10/20/1987US4701107 Two stage pump sampler
10/19/1987EP0231208A4 Pressure transfer fluid heater.
10/08/1987WO1987005974A1 Two stage pump sampler
10/08/1987WO1987005973A1 Anti-contamination flow control in liquids
10/06/1987US4697990 Variable capacity vane pump with means to vary the area of overlap
09/1987
09/30/1987EP0238949A2 Device for transporting a fluid from a first area of pressure to a second area of pressure, and back
09/11/1987WO1987005366A1 Radial piston pump
09/08/1987US4691512 Rotary hydrostatic machines or transmissions
09/02/1987EP0112382B1 Sealed, self-contained, liquid-cooled, gas compressor unit
09/01/1987US4690108 Fuel/oil pump
08/1987
08/26/1987EP0233598A2 Pump unit to be mounted on a reservoir
08/20/1987DE3704371A1 Pump aggregate for mounting on containers
08/18/1987US4687138 Device in or for high-pressure cleaning units for heating the water by circulation
08/18/1987US4686829 Rotary hydrostatic radial piston machines
08/18/1987CA1225543A1 Oral hygiene appliances
08/12/1987EP0231208A1 Pressure transfer fluid heater
08/12/1987CN87100461A Submersible positive displacement piston pump
08/04/1987CA1224969A1 Impeller pump with self-priming column attachment
07/1987
07/30/1987WO1987004497A1 Submersible positive displacement piston pump
07/28/1987CA1224670A1 Double pump
06/1987
06/16/1987EP0225696A1 Pumpand reservoir combination
06/09/1987US4671063 Hydraulic intensifier
05/1987
05/21/1987WO1987003046A1 Multiple machine drive shaft and coupling adapter assembly
04/1987
04/28/1987US4661046 Manure vacuum wagon power assist auger
04/23/1987WO1987002424A1 Pump
04/21/1987US4658760 Pressure transfer fluid heater
04/09/1987WO1987002101A1 Manure vacuum wagon power assist auger
03/1987
03/24/1987CA1219493A1 Apparatus for pumping of pulp
02/1987
02/11/1987CN86101588A Multipurpose fluid drive piston pump
02/05/1987DE3623392A1 Pump combination
02/03/1987CA1217400A1 Fuel system bubble dissipation device
01/1987
01/20/1987US4637783 Fluid motor-pumping apparatus and method for energy recovery
12/1986
12/31/1986WO1986007626A1 Pressure transfer fluid heater
12/30/1986US4632641 Pump arrangement for hydraulic installations
12/23/1986CA1215657A1 Pressure vessel for receiving liquids to be conveyed
11/1986
11/20/1986EP0134211B1 Pumping device for hydraulic plants
11/11/1986US4621982 Double pump
11/11/1986US4621567 Beam pump
11/05/1986EP0199798A1 Method and piston pump for operation of a hydraulic system
10/1986
10/15/1986EP0104215B1 Dosing pump
10/14/1986US4616982 Submersible high pressure pump
09/1986
09/03/1986EP0092560B1 Pulse driven hydraulic pump
08/1986
08/13/1986EP0190924A2 Vehicle washing device
07/1986
07/08/1986US4599049 High pressure meter pump
07/01/1986US4597717 Two-stage fluid pump
06/1986
06/10/1986US4594056 Hydraulic pump unit
05/1986
05/20/1986US4589825 High-pressure cleaning unit with a bypass valve
05/09/1986WO1986002702A1 Method and piston pump for operation of a hydraulic system
04/1986
04/29/1986US4585398 Combination fluid tank, air/fluid cooler and prime mover/pump mounting system for a hydraulic power unit
04/16/1986EP0177925A1 A motor pump unit for a high-pressure cleaning unit
04/08/1986US4580953 Screw pump including a fluid bypass regulating device
03/1986
03/26/1986EP0175146A2 Lever-actuated hydraulic pump
03/18/1986CA1201936A1 Arrangement for dismounting and mounting a pump fixed to a tank
03/18/1986CA1201935A1 Rotary hydrostatic radial piston machines
02/1986
02/18/1986US4570833 Pumping system
12/1985
12/27/1985EP0165876A1 Multipiston pump with blade valves
12/24/1985US4559963 System for feeding liquid substances
12/19/1985EP0145738A4 Centrifugal pump.
12/11/1985EP0163629A1 Tandem pump
11/1985
11/26/1985US4555221 Fluid pumping device for use with a fluid pump
11/21/1985EP0149667A4 Plural hydraulic pump system with automatic displacement control.
11/19/1985US4553910 Pulse driven hydraulic pump
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