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