Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
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12/18/1997 | WO1997047883A1 High pressure pump for all liquids |
12/18/1997 | WO1997047502A1 Internal abs motor connector |
12/17/1997 | EP0812217A1 Pump chamber and valve for a pump chamber |
12/17/1997 | CN2270828Y Pull-type chassis for air compressor |
12/17/1997 | CN2270827Y Automatic drainer for air compressor |
12/17/1997 | CN1167878A Straight shaft plunger mud pump |
12/16/1997 | US5697770 Of a fuel evaporation inhibiting system of an internal combustion engine |
12/16/1997 | US5697678 Hydraulic unit supported in such a way as to damp vibration and forming part of a slip-controlled brake system |
12/11/1997 | WO1997046804A1 A ram-type mud pump |
12/10/1997 | CN2270130Y Coupling Water stopping disc |
12/09/1997 | US5694976 Extremely high pressure pump for distributing water to several appliances |
12/04/1997 | WO1997045640A1 Bubble detection and recovery in a liquid pumping system |
12/04/1997 | DE19622039A1 Piston machine with a sound insulating mantle |
12/02/1997 | US5693091 Artificial heart and method of maintaining blood flow |
11/26/1997 | EP0809028A2 Neutral shaped pump diaphragm |
11/26/1997 | EP0808647A1 Fluid filter |
11/26/1997 | EP0808421A1 Adjustable hydrostatic pump |
11/26/1997 | EP0808187A1 Liquid drug infusion pump |
11/26/1997 | EP0698183B1 Electromotor-pump assembly |
11/19/1997 | EP0593645B1 Quick-change fluid section for piston-type paint pumps |
11/19/1997 | CN1165248A Energy-saving device for fluid pump |
11/18/1997 | US5688113 Piston for a piston pump with a two part inlet valve body |
11/13/1997 | WO1997042410A1 Disposable ambulatory microprocessor controlled volumetric pump |
11/12/1997 | EP0805921A1 Volumetric machine with curved liners |
11/12/1997 | CN2267339Y integrated sectional reciprocating pump head body with its hydraulic position on its alternation cavity having no intersecting line |
11/06/1997 | DE19618013A1 Piston especially for radial piston pumps in braking systems |
11/05/1997 | EP0804686A1 Piston pump |
11/05/1997 | CN2266658Y Filtering liquid storing device for refrigerant compressor |
11/05/1997 | CN1164271A Relief valve seat for positive displacement pump |
10/30/1997 | WO1997024528A3 Multichannel microdosing apparatus |
10/30/1997 | DE19708919A1 Axial piston pump for conveying fluids |
10/30/1997 | DE19708917A1 Axial piston pump for conveying fluids |
10/29/1997 | EP0802832A2 Airless paint sprayer intake dampener and inlet valve spring |
10/23/1997 | WO1997039514A1 Electric motor-pump assembly |
10/23/1997 | DE19615053A1 Elektromotor-/Pumpenaggregat Electric motor / pump unit |
10/22/1997 | EP0802325A1 Material flow control arrangement and method |
10/22/1997 | EP0722538B1 Micro-diaphragm pump |
10/22/1997 | CN2265444Y Improved hydraulic differential reversal valve for hydraulic piston pump |
10/22/1997 | CN2265443Y Flange for submerged pump outlet |
10/22/1997 | CN1162987A High pressure abrasive slurry check valve |
10/16/1997 | WO1997038225A1 Axial piston machine with internal flushing cycle |
10/16/1997 | WO1997038224A1 Modular air-driven pump |
10/16/1997 | WO1997037703A1 Volumetric infusion pump |
10/15/1997 | EP0801228A2 Double diaphragm pump |
10/15/1997 | EP0656097B1 Liquid pump resilient inlet insert |
10/15/1997 | EP0644984B1 Fluid pressure intensifying apparatus |
10/15/1997 | CN1162029A Pump for water-jetting type textile machine |
10/14/1997 | US5676651 Surgically implantable pump arrangement and method for pumping body fluids |
10/14/1997 | US5676531 Autoclavable pump head assembly |
10/14/1997 | US5676277 Disposable plastic liquid pump |
10/14/1997 | US5676162 Reciprocating pump and linear motor arrangement |
10/14/1997 | CA2106658C Drive head for downhole rotary pump |
10/09/1997 | DE19613609A1 Axialkolbenmaschine mit internem Spülkreislauf Axial piston machine with internal flushing circuit |
10/07/1997 | US5674055 Piston sealing arrangement for a sampling pump system |
10/03/1997 | CA2197361A1 Improved suction inlet connector for hermetic compressor |
10/01/1997 | EP0797733A1 Piston pump |
10/01/1997 | CN2263723Y Plastic water absorption valve |
10/01/1997 | CN2263722Y Layer shear type sealing for pump |
09/30/1997 | US5671656 Paint pump fluid section |
09/30/1997 | CA2049843C Saturated fluid pumping apparatus |
09/24/1997 | EP0796658A2 Apparatus for simultaneous aspiration and dispensation of fluids |
09/24/1997 | CN2263214Y Pre-pressing oil seal for power spraying water delivery device |
09/23/1997 | US5669764 Pneumatic diaphragm pump |
09/21/1997 | CA2198544A1 Apparatus for simultaneous aspiration and dispensation of fluids |
09/17/1997 | EP0795687A2 Reciprocating pump |
09/17/1997 | EP0795085A1 A submerged pump with coaxial opposing modular pistons, operated by double eccentric cams or similar |
09/17/1997 | CN2262617Y Open-type pump draining chamber |
09/12/1997 | WO1997033094A1 Micro-machined membrane valve |
09/12/1997 | WO1997033090A1 Metering pump |
09/12/1997 | WO1997016643A3 Piston pump |
09/10/1997 | EP0587912B1 Fluid controlling microdevice and method of manufacturing the same |
09/10/1997 | CN2262118Y Noise reducing device for air inlet of air compressor |
09/10/1997 | CN2262117Y Full automatic switch for submersible pump |
09/09/1997 | US5664938 Mixing apparatus for microflow gradient pumping |
09/04/1997 | DE19706994A1 Swash plate-axial pump with oiling mechanism |
09/03/1997 | EP0792427A1 High pressure abrasive slurry check valve |
09/02/1997 | US5662461 Dual piston pump with magnetically actuated pistons |
08/28/1997 | WO1997031191A1 Readily disassembled pump head and plunger configuration |
08/28/1997 | WO1997031190A1 Pressure control module |
08/28/1997 | WO1997031187A1 Unidirectional flow pump with rotary drive |
08/27/1997 | EP0791369A1 Pump |
08/27/1997 | EP0791138A1 Metering pump with an air-purge device |
08/27/1997 | EP0791126A1 Dual-piston pump apparatus |
08/27/1997 | CN2260903Y Anti-rotating device for dual-end-face mechanical seal |
08/27/1997 | CN2260902Y Mechanism for preventing loosening of screw thread |
08/26/1997 | US5660534 Rotating plunger for sucker rod pump |
08/26/1997 | US5660532 Multiphase piston-type pumping system and applications of this system |
08/21/1997 | DE19635335C1 High pressure cleaning apparatus |
08/21/1997 | DE19603333C1 Kolbenpumpe zum dosierten Fördern von fließfähigen Medien Piston pump for the metered feeding of flowable media |
08/20/1997 | EP0789813A2 Microfabricated fluidic devices |
08/20/1997 | CN2260183Y Emphasizer rod type sucker-rod pump |
08/19/1997 | US5658678 Corrosion resistant cermet wear parts |
08/13/1997 | EP0789147A2 High-pressure plunger pump, working preferably at pressures above 2000 bars |
08/13/1997 | EP0789146A1 Microvalve and method of manufacturing the same, micropump using the microvalve and method of manufacturing the same, and apparatus using the micropump |
08/12/1997 | US5656034 High-pressure micro-volume syringe pump |
08/12/1997 | US5655885 Reciprocating piston pump with modular fluid subassembly |
08/12/1997 | US5655779 Resilient rectangular lip seal arrangement |
08/12/1997 | US5655689 Media dispenser having a variable constriction outlet |
08/12/1997 | US5655604 Down-hole, production pump and circulation system |
08/12/1997 | CA2041511C Dual-acting, reciprocating piston pump |