| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 07/30/1997 | CN2258545Y Transistor electric water pump |
| 07/29/1997 | US5651389 On a petroleum storage tank |
| 07/29/1997 | US5651302 Actuator pump |
| 07/24/1997 | WO1997026456A1 Extruding apparatus with improved drive system |
| 07/24/1997 | CA2243181A1 Extruding apparatus with improved drive system |
| 07/22/1997 | US5649809 Crankshaft and piston rod connection for a double diaphragm pump |
| 07/17/1997 | DE19600645A1 Automatic gearbox for motor vehicles |
| 07/15/1997 | US5647575 Volumetric shaft/valve |
| 07/15/1997 | US5647208 Hydraulic pumping unit |
| 07/10/1997 | WO1997024529A1 Fluid delivery device |
| 07/01/1997 | US5642988 Radial piston pump |
| 07/01/1997 | US5642576 Suction dredge pump apparatus |
| 06/24/1997 | US5641097 Manual precompression pump for the spraying of a liquid and a dispensing unit fitted with such a pump |
| 06/17/1997 | US5639226 Portable, battery operated air pump |
| 06/17/1997 | US5639220 Pump with inlet and outlet simultaneously exposed to pump chamber and method of operating same |
| 06/17/1997 | US5639218 High pressure water pump system having a reserve booster pump |
| 06/14/1997 | CA2192154A1 Regenerative hydraulic power transmission for down-hole pump |
| 06/12/1997 | DE19545437A1 Automatic gear for vehicle, with radial piston pump |
| 06/11/1997 | EP0777823A1 Muffler for air operated reciprocating pumps |
| 06/04/1997 | EP0776424A1 Direct action fluid motor and injection pump |
| 06/04/1997 | CN2255505Y Hand-driven reciprocating water pump |
| 06/03/1997 | US5635630 In an automotive vehicle evaporation emission control system |
| 06/03/1997 | US5635070 Pumping speed controlled and volume pumped determined from pressure-related signal in feedback circuit |
| 06/03/1997 | US5634780 Hand pump of a drinking device for pumping water to a diver |
| 06/03/1997 | US5634779 Hydraulic fluid-driven, multicylinder, modular reciprocating piston pump |
| 06/03/1997 | US5634773 Superhigh pressure control system |
| 05/28/1997 | EP0775091A1 Biocide filter |
| 05/27/1997 | US5632606 For pumping fluids from a fluid source to a fluid sink |
| 05/27/1997 | US5632604 Down hole pressure pump |
| 05/22/1997 | WO1997018395A1 Process and device for controlling a two-cylinder thick medium pump |
| 05/22/1997 | WO1997018394A1 Device with at least two drive cylinders |
| 05/22/1997 | CA2237612A1 Device with at least two drive cylinders |
| 05/21/1997 | EP0774074A1 Disposable plastic liquid pump |
| 05/21/1997 | EP0774072A1 Reciprocating pump |
| 05/21/1997 | EP0774064A1 Integrity confirmation of evaporative emission control system against leakage |
| 05/20/1997 | US5630706 Multichannel pump apparatus with microflow rate capability |
| 05/15/1997 | WO1997017541A1 Air driven diaphragm pump |
| 05/15/1997 | DE19542258A1 Verfahren und Vorrichtung zur Steuerung einer Zweizylinder-Dickstoffpumpe Method and apparatus for controlling a two-cylinder thick matter pump |
| 05/13/1997 | US5628198 Liquid treatment apparatus for filtering liquid under pressure |
| 05/13/1997 | CA2031993C Variable stroke metering pump with damping and pump cycle duration control |
| 05/07/1997 | EP0710327B1 High pressure pump system and method of operation thereof |
| 05/07/1997 | CA2162242A1 Engine and power output |
| 05/06/1997 | US5626467 Modular pump |
| 05/06/1997 | US5626466 Piston pump |
| 05/06/1997 | US5626072 Piston assembly for use with a bicycle operated air pump |
| 04/23/1997 | EP0720687A4 Pivoted piston for radial cylinder machine |
| 04/22/1997 | US5622482 Pump using shape memory alloys |
| 04/17/1997 | WO1997013667A1 Damped high pressure fluid pump |
| 04/17/1997 | WO1997013439A1 Rear entry stepped pump |
| 04/15/1997 | US5620746 Textile paining |
| 04/15/1997 | US5620314 Hand-operated liquid pump with removable parts |
| 04/15/1997 | US5620311 Piston pump having a pump casing to which a pump motor is attached |
| 04/10/1997 | WO1997012687A1 Device of miniaturised construction for producing high pressure in a fluid to be atomised |
| 04/10/1997 | DE19536902A1 Vorrichtung zur Hochdruckerzeugung in einem Fluid in Miniaturausführung Apparatus for generating high pressure in a fluid in miniature design |
| 04/08/1997 | US5618163 Volumetric pump shift bottoming detector |
| 04/03/1997 | DE19536258A1 Bottle-mounting manual pump dispenser |
| 04/01/1997 | US5616012 Ammonia pump |
| 04/01/1997 | US5616010 Multiple cylinder engine featuring a reciprocating non-rotating piston rod |
| 04/01/1997 | US5616009 Mud pump |
| 04/01/1997 | US5616005 Fluid driven recipricating apparatus |
| 04/01/1997 | US5615806 Plunger lock-up dispenser |
| 03/27/1997 | WO1997011273A1 A fluid pressure driven pumping system |
| 03/27/1997 | WO1997010902A1 Method and apparatus for reversibly pumping fluids |
| 03/26/1997 | EP0713564A4 Reciprocating engine |
| 03/25/1997 | US5614089 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 03/25/1997 | US5613838 Rotary piston fluid handler |
| 03/25/1997 | US5613420 Reciprocating engine |
| 03/19/1997 | EP0681672B1 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 03/19/1997 | CN1145657A Reciprocating pump |
| 03/19/1997 | CN1145454A Automatic water pumping machine using multiple sorts of micro-energy |
| 03/13/1997 | DE19535745C1 Piston-driven diaphragm pump |
| 03/12/1997 | EP0761967A1 Hydraulic housing block with piston pump |
| 03/12/1997 | CN2249310Y Hand-driven oil-pumping device for oil-delivery pump of diesel engine |
| 03/06/1997 | WO1997008460A1 Crankshaft driven expansible chamber pump |
| 03/05/1997 | EP0760244A1 Linear pump |
| 03/04/1997 | US5607290 Air driven diaphragm pump |
| 02/20/1997 | WO1997005913A1 Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 02/20/1997 | DE19631977A1 Drive for compressor of car air conditioner |
| 02/18/1997 | US5603354 Volumetric pump/valve |
| 02/12/1997 | EP0757587A1 Mixing apparatus for microflow gradient pumping |
| 02/12/1997 | CN2247241Y Inflator |
| 02/11/1997 | US5601707 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 02/04/1997 | US5599177 Precision metered multiple fluid pumping system |
| 01/30/1997 | WO1997002961A1 Tire pressurizing and regulating apparatus |
| 01/30/1997 | CA2226493A1 Tire pressurizing and regulating apparatus |
| 01/29/1997 | CN1141260A Miniature pump sprayer |
| 01/22/1997 | EP0754271A1 Pneumatically shifted reciprocating pump |
| 01/15/1997 | EP0753353A2 Miniature pump sprayer |
| 01/14/1997 | CA2016858C Piston rod seal monitoring arrangement for reciprocating oil pumps |
| 01/07/1997 | US5591310 Distillation |
| 01/07/1997 | US5591012 Conveying pump for supply containers of various heights |
| 01/07/1997 | US5590815 Minature pump sprayer |
| 01/02/1997 | EP0707709A4 Leak detection assembly |
| 12/31/1996 | US5588813 Fluid motor driven pump arrangement having motive fluid exhaust into the pump chamber |
| 12/31/1996 | US5588808 Device for elevating a pressure acting on a liquid |
| 12/31/1996 | US5588339 Adjustable stroke drive for a displacement piston pump |
| 12/25/1996 | CN2243555Y Air exhausting and sucking device |
| 12/18/1996 | EP0748235A1 Reciprocating pump arrangement |
| 12/17/1996 | US5584989 Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent |
| 12/17/1996 | US5584666 Reduced icing air valve |