Patents
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
01/1996
01/03/1996EP0690230A1 Pump assembly
01/03/1996EP0689645A1 Portable, battery operated air pump
12/1995
12/27/1995EP0688609A1 Manually actuated precompression pump for spraying a liquid and dispensing assembly comprising such a pump
12/27/1995CN2216157Y hand water suction pump
12/20/1995EP0687814A2 Plunger pump
12/14/1995WO1995033927A1 Supercharger for internal-combustion engines
12/14/1995WO1995033924A1 Piston pump
12/14/1995DE4419927A1 Kolbenpumpe Piston pump
12/07/1995WO1995033125A1 A gas driven mechanical oscillator and method
12/07/1995DE4427981C1 Hydraulic or pneumatic piston and/or membrane pump
12/07/1995CA2168337A1 A gas driven mechanical oscillator and method
12/06/1995CN2214542Y Hand water pump
12/06/1995CN2214541Y Imbibing device
12/05/1995US5472322 Positive displacement vacuum pump having a piston actuated by an alternative linear movement
11/1995
11/29/1995CN2213871Y Hand water pump
11/28/1995US5470209 Offset reciprocable device
11/23/1995DE4417680A1 Pump raising water from low to high level
11/23/1995DE4417486A1 Discharging device for fluids
11/22/1995EP0683318A1 Pneumatically actuated pump
11/21/1995US5468127 Pilot control valve having means for recovering exhaust fluids
11/15/1995EP0681672A1 Process for conveying thick matter containing preshredded scrap metal or similar solids.
11/15/1995EP0681652A1 Double acting simplex plunger pump
11/15/1995CN2212666Y Hydraulic pump driven by ordinary air
11/14/1995US5466128 High aspect ratio, remote controlled pumping assembly
11/08/1995EP0680561A1 Dosing arrangement.
11/08/1995EP0680345A1 Infinitely variable pneumatic pulsatile pump
11/08/1995CN2212093Y Simple fluid pumping device
11/08/1995CN2212092Y Paste glue gun structure without dropping paste
11/07/1995US5464331 Engine and power output
11/02/1995EP0679443A1 Dispensing pump
11/01/1995CN2211502Y 直线往复活塞泵 Reciprocating piston pump
11/01/1995CN1111065A Compact high performance fuel syste with accumulator
10/1995
10/31/1995US5462414 Liquid treatment apparatus for providing a flow of pressurized liquid
10/27/1995CA2147566A1 Dispensing pump
10/25/1995EP0678164A1 Radial pump
10/24/1995US5460491 Displacement pump as well as a pump assembly comprising two displacement pumps
10/19/1995WO1995027853A1 A submerged pump with coaxial opposing modular pistons, operated by double eccentric cams or similar
10/18/1995CN2210262Y horse type double pump water pumping device
10/18/1995CN1110375A Leak-free hand-operating pump
10/17/1995US5458470 Pumping apparatus
10/14/1995CA2132755A1 Air valve with bleed feature to inhibit icing
10/12/1995DE4411979A1 Support roller esp. for outer ring of bearing
10/11/1995EP0676010A1 Compact water filtration and purification pump.
10/10/1995US5456318 From a well
10/03/1995US5454408 Variable-volume storage and dispensing apparatus for compressed natural gas
09/1995
09/27/1995CN2208624Y Hand-driving anchor rod mud filling pump
09/27/1995CN2208623Y Pneumatic pump and pneumatic liquid pump
09/20/1995EP0672831A2 Apparatus and method for supercritical fluid extraction
09/20/1995EP0671999A1 Noise-reduced pumping set, in particular for regulated brake systems.
09/20/1995EP0671980A1 Dispensing device
09/19/1995US5451145 High pressure fluid pump transformer and method
09/13/1995CN2207454Y Multifunction manpower pump
09/08/1995WO1995023924A1 Pneumatically shifted reciprocating pump
09/08/1995CA2191445A1 Pneumatically shifted reciprocating pump
09/07/1995DE4406803A1 Hydraulic piston pump
09/05/1995US5447026 Hydraulic oil well pump drive system
08/1995
08/31/1995WO1995023000A2 Reciprocating pump arrangement
08/31/1995CA2183666A1 Reciprocating pump arrangement
08/30/1995CN2206356Y Hand power pump
08/29/1995US5445505 Manual/pneumatic dual-control oil pump
08/23/1995EP0668441A1 Drive control for a two-cylinder pump for viscous fluid
08/23/1995EP0668111A2 Two-component dispensing system
08/23/1995CN2205874Y Pedal double-cylinder water pump
08/23/1995CN2205873Y Hand-operated water pump
08/19/1995CA2139371A1 Two-component dispensing system
08/18/1995CA2117227A1 Pumpjack drive
08/17/1995DE4439209A1 High pressure cleaning gun provided with integrated piston and cylinder set
08/10/1995DE4418739A1 Crank assembly for refrigerator compressor
08/09/1995EP0666420A1 Apparatus for driving piston by fluid pressure
08/09/1995CN2204864Y Hand liquid suction pump
08/02/1995EP0665044A1 Apparatus and method for supercritical fluid extraction
08/01/1995US5437218 Diaphragm pump having variable displacement
07/1995
07/25/1995US5435355 Conical floating type fuel filling device
07/19/1995CN2203717Y Pump of bicycle
07/18/1995US5433848 Water filtration pump with disposable filter cartridges
07/14/1995CA2140070A1 Method and apparatus for utilizing the pressure of a fluid column generated by a pump to assist in reciprocating the pump plunger
07/12/1995CN1105103A 气体压缩机 Gas compressor
07/11/1995US5431816 Prefilter for a water purification pump
07/11/1995US5431229 Method and apparatus for utilizing the pressure of a fluid column generated by a pump to assist in reciprocating the pump plunger
07/05/1995CN2202803Y 径向柱塞泵 Radial piston pump
06/1995
06/29/1995DE4419559C1 Compressor charger for IC engine
06/29/1995DE4344748A1 Water pressure producer for gutter cleaning vehicle
06/28/1995CN2202198Y Multi-functional air-liquid pump
06/28/1995CN2202195Y Manpower double-cylinder water pump
06/28/1995CN2202194Y Manpower water pump
06/28/1995CN2202193Y Two-way reciprocating hand pump
06/28/1995CN2202192Y Wind water lift
06/28/1995CN2202191Y Hydraulic automatic control reciprocating pump
06/27/1995US5427507 Valving for controlling a fluid-driven reciprocating apparatus
06/27/1995US5427280 Media dispenser with dosing stroke limiter
06/27/1995US5426990 Over-center toggle linkage valve actuating mechanism with adjustable tension spring preloading
06/27/1995US5426988 Device for reciprocating a plunger or the like
06/22/1995WO1995016859A1 Reciprocating pump for pumping hydraulic fluid
06/15/1995WO1995016143A1 Bearing assembly with axial retention
06/15/1995CA2168562A1 Bearing assembly with axial retention
06/14/1995CN2200704Y Two-purpose oil hydraulic pump with hand-operation and pneumatic
06/13/1995US5423662 Precision metered multiple fluid pumping system
06/13/1995US5423460 Spray pump
06/07/1995EP0435924B1 Snap-in trigger
06/07/1995CN2200060Y Simple suction pump for excrement and urine
1 ... 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 ... 93