Patents for F04B 23 - Pumping installations or systems (4,078)
08/1997
08/19/1997US5658135 Waste water pump station
08/05/1997US5653876 High pressure pump for fine liquid metering
07/1997
07/30/1997EP0786050A1 Compressed-air generator comprising an injector and a pressure tank
07/23/1997EP0784491A1 Portable pump assembly
07/16/1997EP0783395A1 Hydraulic drive unit
07/15/1997US5647731 Air compressor
07/08/1997US5645114 Dispensing assembly with interchangeable cartridge pumps
06/1997
06/17/1997US5639219 Airless paint sprayer intake dampener and inlet valve spring
05/1997
05/29/1997WO1997019267A1 Connecting pin clip
05/28/1997EP0683864B1 Hydraulic unit
05/20/1997US5630706 Multichannel pump apparatus with microflow rate capability
05/20/1997US5630527 Electronically controlled, positive-displacement fluid dispenser
05/07/1997EP0771632A2 Molten thermoplastic material supply system with removable drive assembly
05/02/1997EP0770778A2 Quick-change fluid section for piston-type paint pumps
05/01/1997CA2187136A1 Molten thermoplastic material supply system with removable drive assembly
04/1997
04/29/1997CA2176331C Electronically controlled, positive-displacement fluid dispenser
04/10/1997WO1997013065A1 Twin pump with a charging pump
04/09/1997EP0767279A1 Waste water pump station
04/02/1997EP0577783B1 Variable pressure inlet system for hydraulic pumps
03/1997
03/18/1997US5611200 Linear hydraulic actuator with adjustable output speed
03/11/1997US5609300 Airless paint sprayer outlet check valve
02/1997
02/26/1997EP0759508A2 Circulating aspirator with improved temperature control
02/26/1997CA2184026A1 Floating pump
02/20/1997DE19631977A1 Drive for compressor of car air conditioner
02/20/1997DE19536997C1 Doppelpumpe mit Ladepumpe Double pump with charge pump
02/19/1997EP0758589A2 Module for extracting fluid from a hollow vessel
02/12/1997EP0757587A1 Mixing apparatus for microflow gradient pumping
02/12/1997CA2183101A1 Module for extracting fluid from a hollow vessel
02/04/1997US5599177 Precision metered multiple fluid pumping system
01/1997
01/21/1997US5595477 Vacuum pumping stand
01/21/1997CA2114321C Quick-change fluid section for piston-type paint pumps
01/16/1997WO1997001399A1 Washing objects and recovering contaminants
01/15/1997EP0753354A2 Dispensing device for fluids, especially for dispensing in a single stroke
01/14/1997CA2016858C Piston rod seal monitoring arrangement for reciprocating oil pumps
01/07/1997US5591013 Fluid pressure generating device
01/07/1997US5591012 Conveying pump for supply containers of various heights
12/1996
12/19/1996WO1996040476A1 Fluid jet cutting system
12/17/1996US5584669 Two-stage positive displacement pump
12/11/1996EP0747624A2 Misalignment compensating manifold for twin pumps
12/11/1996EP0633981B1 Oil pump for reciprocating piston engines
12/11/1996CN1137621A Misalignment compensating manifold for twin pumps
12/10/1996US5582509 Water aspirator system
12/04/1996EP0745771A1 Radial piston pump
11/1996
11/26/1996US5577896 Pump
11/20/1996CN1136305A Fluid-driven apparatus for dispersing plural fluids in a precise proportion
11/06/1996EP0611887B1 Fluid pressure generation apparatus
10/1996
10/31/1996WO1996021519A3 Airless paint sprayer intake dampener and inlet valve spring
10/24/1996DE19514749A1 Hydrostatic radial piston pump
10/22/1996US5567122 Cylinder pump having controllable piston/drive detachment
10/10/1996WO1996031285A1 Airless paint sprayer outlet check valve
10/10/1996CA2214419A1 Airless paint sprayer outlet check valve
10/02/1996DE19511885A1 Dispensing plant protective chemicals
10/02/1996DE19511359A1 Dispensing unit for viscous lubricants, e.g. for moped engine lubrication
09/1996
09/26/1996WO1996029515A1 Multiple piston pump
09/18/1996EP0708874A4 Fluid motor/pump with scavenged case
09/04/1996EP0729435A1 Fluid-driven apparatus for dispensing plural fluids in a precise proportion
08/1996
08/29/1996WO1996026000A1 Mixing apparatus for microflow gradient pumping
08/28/1996EP0728938A1 Mechanical membrane fuel pump with stepped piston for the fuel supply of combustion engines, especially injection engines
08/28/1996EP0728119A1 Electronically controlled, positive-displacement fluid dispenser
08/27/1996US5549452 Double pump
08/20/1996US5547347 For dispersing a gas into a liquid
08/13/1996US5545015 Self-cooled and removable integrated cryogenic liquid pump
08/13/1996US5545013 Hydrostatic machine with leakage oil discharge
08/08/1996WO1996023581A1 Slurry forming process and slurry transfer and densification through vacuum pumping
08/06/1996US5542823 Reservoir body for a radial plunger pump
08/06/1996US5542498 Pulse action mist lubrication system
07/1996
07/30/1996US5540563 Unitary housing for double hydraulic unit
07/24/1996EP0723080A1 Vacuum pumping system
07/18/1996WO1996021519A2 Airless paint sprayer intake dampener and inlet valve spring
07/09/1996US5533874 Stand for a pump
06/1996
06/20/1996DE4445255A1 Hydrostatic double axial piston pump
06/04/1996US5522711 Precision metered multiple fluid pumping system
05/1996
05/29/1996CN1123488A Electromagnetic pump having an improved construction for assembling an exhaust nozzle to a pump body
05/09/1996DE4439545A1 Transverse filtration pump assembly
05/08/1996EP0486556B1 Pulseless piston pump
05/07/1996US5513966 Misalignment compensating manifold for twin pumps
05/01/1996EP0708874A1 Fluid motor/pump with scavenged case
04/1996
04/18/1996WO1996011025A1 Portable pump assembly
04/18/1996WO1996010903A2 Valve connector
04/10/1996CN1120122A Unitary housing for double hydraulic unit
03/1996
03/28/1996DE19512993A1 Unit casing for double hydraulic unit
03/26/1996US5501578 For a closed circuit hydrostatic transmission
03/21/1996WO1996008440A1 Electronically controlled, positive-displacement fluid dispenser
03/20/1996EP0613528B1 Pump
03/20/1996CN1118839A Portable pumping system with generator-powered clutch assembly
03/14/1996WO1996007826A1 Compressed-air generator comprising an injector and a pressure tank
03/13/1996EP0640183B1 Hydrostatic engine with oil leakage channel
03/12/1996US5498140 Variable displacement compressor
03/12/1996US5497812 Apparatus for rapidly filling a dry wall cement dispensing tool
03/06/1996CN2221667Y Lever-type reversible plunger oil pump
03/06/1996CN1031215C Boosting device for water-supplying of water-source pressure pump
03/05/1996US5496152 Pump with internal valve between suction and pressure regions
02/1996
02/21/1996CN1117309A Hydraulic unit
02/20/1996US5492451 Apparatus and method for attenuation of fluid-borne noise
02/15/1996WO1996004107A1 Hydraulic drive unit
02/13/1996US5490765 Dual stage pump system with pre-stressed diaphragms and reservoir
01/1996
01/18/1996DE4424785A1 Fluid vaporiser for automotive or medical applications
01/17/1996EP0692621A1 Mechanical membrane pump with augmented pressure provided with a pressure regulator for the supply of internal combustion engines and in particular injection engines
01/17/1996EP0692620A1 Mechanical membrane pump with augmented pressure for the fuel supply of internal combustion engines and in particular injection engines
01/09/1996US5482441 Liquid treatment apparatus
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