| Patents for F04B 23 - Pumping installations or systems (4,078) |
|---|
| 01/14/1999 | WO1999001770A1 Interchangeable liquid dispensing cartridge pump |
| 01/13/1999 | EP0890741A2 Compact hydraulic unit |
| 01/13/1999 | CN2303944Y Super-high-pressure hydraulic pump |
| 01/07/1999 | DE19828108A1 Lighting device for arranging an outside of car |
| 01/07/1999 | DE19746242A1 Unit for application of hot-melt adhesive |
| 01/06/1999 | CN2303089Y Booster-type hydraulic braking overall pump |
| 01/05/1999 | US5856783 In an underground vault |
| 01/05/1999 | US5855120 Method and apparatus for driving pump motor for refrigerator dispenser |
| 12/29/1998 | US5853643 Method for constructing a liquid-impervious electric motor assembly |
| 12/16/1998 | EP0883743A1 Apparatus for use in a liquid circulation system and method for using said apparatus |
| 12/16/1998 | CN1202223A Connecting pin clip |
| 12/15/1998 | US5848566 Connecting pin clip |
| 12/10/1998 | WO1998055199A1 Active pump phasing to enhance chromatographic reproducibility |
| 12/08/1998 | US5846056 Reciprocating pump system and method for operating same |
| 12/01/1998 | US5842343 Hydraulic axial discharge pump |
| 11/26/1998 | WO1998053208A1 Reciprocating diaphragm pump with packless piston-cylinder unit |
| 11/25/1998 | CN1199835A Lubricating oil pump for engines or compressors |
| 11/24/1998 | US5839888 Well service pump systems having offset wrist pins |
| 11/18/1998 | CN1199359A Pump, pump and holder assembly, personal-care appliance, and method of assembling pump |
| 11/12/1998 | WO1998050698A1 Multiple pump control arrangement |
| 10/13/1998 | US5820356 For use in a motor vehicle |
| 10/13/1998 | US5820354 Cascaded progressing cavity pump system |
| 10/13/1998 | US5819544 High pressure cryogenic pumping system |
| 10/08/1998 | WO1998020259A3 Cascaded progressing cavity pump system |
| 10/08/1998 | DE19809804A1 Delivery membrane pump for arbitrary delivery pressures and powers |
| 10/01/1998 | WO1998042986A1 Fluid cooling device |
| 09/30/1998 | EP0783395B1 Hydraulic drive unit |
| 09/30/1998 | CN2292912Y Axial Variable displacement plunger pump |
| 09/30/1998 | CN1194334A Series pump with auxiliary pump |
| 09/29/1998 | US5813469 Coupled downhole pump for simultaneous injection and production in an oil wheel |
| 09/24/1998 | DE19755661A1 Tandem pump |
| 09/24/1998 | DE19711591A1 Fluidkühlvorrichtung Fluid cooling means |
| 09/23/1998 | EP0865829A2 Airless paint sprayer intake dampener |
| 09/22/1998 | US5810039 Module for extracting fluid from a hollow vessel |
| 09/12/1998 | CA2231662A1 Coupled downhole pump for simultaneous injection and production in an oil well |
| 09/09/1998 | EP0863311A2 Liquid transfer pump |
| 09/09/1998 | EP0862694A1 Connecting pin clip |
| 09/08/1998 | US5803311 Bottle closure for squeezing bottle |
| 08/27/1998 | DE19707654A1 Motor pump aggregate with linear drive for hydraulic braking system for vehicle |
| 08/12/1998 | EP0857871A1 Motor pump unit |
| 07/23/1998 | DE19755678A1 Pump device |
| 07/22/1998 | EP0854292A1 Compressor with pressure relief valve |
| 07/22/1998 | EP0853726A1 Twin pump with a charging pump |
| 07/22/1998 | CN1188189A Series-parallel machine set of progressive fluid pressure machines |
| 07/21/1998 | US5782611 Portable pump assembly |
| 07/08/1998 | CN1186892A Waste water pump station |
| 07/01/1998 | CN1186169A Oil pickup apparatus for hermetic compressor |
| 06/25/1998 | WO1998016739A3 Fluid displacement system |
| 06/23/1998 | US5769616 Submerged pump with coaxial opposing pistons, driven by double lobed camshaft |
| 06/18/1998 | DE19754637A1 Hydrostatic radial piston pump containing rotary cylinder drum |
| 06/16/1998 | US5765722 Electronically controlled, positive-displacement fluid dispenser |
| 06/16/1998 | CA2131181C Compressor slide valve control |
| 06/09/1998 | US5762795 Dual stage pump and filter system with control valve between pump stages |
| 06/03/1998 | EP0729435A4 Fluid-driven apparatus for dispensing plural fluids in a precise proportion |
| 05/20/1998 | CN1182470A Valve connector |
| 05/14/1998 | WO1998020259A2 Cascaded progressing cavity pump system |
| 05/14/1998 | WO1997047884A3 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor |
| 05/13/1998 | CN1181462A Method for controlling engine-pump system of hydraulic construction machine |
| 05/06/1998 | EP0757587A4 Mixing apparatus for microflow gradient pumping |
| 04/23/1998 | WO1998016739A2 Fluid displacement system |
| 04/23/1998 | CA2266452A1 Fluid displacement system |
| 04/21/1998 | US5742147 Dc based powering and charging circuit for compressor systems and other mechanical devices |
| 04/15/1998 | CN1178870A Self filling water suction device for water pump |
| 04/14/1998 | US5738500 Variable displacement vane pump having low actuation friction cam seal |
| 04/01/1998 | EP0831983A1 Fluid jet cutting system |
| 03/25/1998 | EP0831230A2 Combined two-function air compressor and jet washer device |
| 03/25/1998 | CN1177058A Hydraulic or pneumatic driven pump and air compressor |
| 03/10/1998 | US5725361 Hydraulic unit |
| 03/05/1998 | WO1998008661A1 Pump, pump and holder assembly, personal-care appliance, and method of assembling a pump |
| 03/05/1998 | WO1998008659A1 Depilation system, an apparatus and a cartridge therefor |
| 02/11/1998 | CN1172933A Thermostatically controlled intercooler system for multiple stage compressor and method |
| 02/11/1998 | CN1172697A Constant rate discharge apparatus and method |
| 02/10/1998 | US5716198 Radial piston pump |
| 01/27/1998 | US5711655 Pump system using a vacuum chamber and mechanical pump combinations |
| 01/21/1998 | EP0819028A1 Airless paint sprayer outlet check valve |
| 01/21/1998 | EP0626892B1 Pump apparatus for pumping melt metal |
| 01/15/1998 | DE19627711A1 Reservoir for hydraulic power circuit |
| 01/14/1998 | EP0817916A1 Multiple piston pump |
| 01/13/1998 | CA2181088A1 Pressure and various liquid multi recirculation pump |
| 01/08/1998 | WO1998000200A1 Pump system |
| 01/08/1998 | WO1996010903A3 Valve connector |
| 01/08/1998 | DE19727246A1 Two=stage pumping system used in vehicle brake gear |
| 12/29/1997 | EP0814260A2 Thermostatically controlled intercooler system for a multiple stage compressor and method |
| 12/24/1997 | WO1997048321A1 Dispenser for antimicrobial liquids |
| 12/23/1997 | US5699938 Molten thermoplastic material supply system with removable drive assembly |
| 12/18/1997 | WO1997047884A2 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor |
| 12/10/1997 | EP0728119A4 Electronically controlled, positive-displacement fluid dispenser |
| 12/04/1997 | DE19722336A1 Auxiliary unit connected to motor vehicle engine via belt and pulley drive |
| 12/04/1997 | DE19622128A1 Dispensing pump for beverage carton |
| 11/19/1997 | EP0807036A1 Valve connector |
| 11/19/1997 | EP0593645B1 Quick-change fluid section for piston-type paint pumps |
| 10/29/1997 | EP0803258A2 Suction pump |
| 10/29/1997 | EP0802832A2 Airless paint sprayer intake dampener and inlet valve spring |
| 10/07/1997 | US5673715 Washing objects and recovering contaminants with optimized pump control |
| 10/02/1997 | DE19612582A1 Drive unit for vehicle e.g forklift truck |
| 09/17/1997 | EP0795085A1 A submerged pump with coaxial opposing modular pistons, operated by double eccentric cams or similar |
| 09/09/1997 | US5664938 Mixing apparatus for microflow gradient pumping |
| 09/04/1997 | WO1997032127A1 Apparatus for use in a liquid circulation system and method for using said apparatus |
| 08/28/1997 | WO1997031349A1 Pump control system |
| 08/27/1997 | CN1157882A Method and apparatus for driving pump motor for refrigerator dispenser |