| Patents for F04B 5 - Machines or pumps with differential-surface pistons (514) |
|---|
| 03/06/2002 | EP1184568A2 Fuel pump |
| 11/28/2001 | EP0877637B1 Hydraulic pump mounted on a carrier |
| 10/09/2001 | US6299413 Pump having a bleeding valve |
| 08/30/2001 | WO2001063132A2 Lubrication system and process for high speed antifriction bearings |
| 08/30/2001 | DE10053992A1 Kolbenpumpe Piston pump |
| 08/09/2001 | WO2001057400A1 Pump |
| 08/02/2001 | WO2001055595A1 Piston pump |
| 06/27/2001 | EP0832359B1 Pneumatic pump |
| 06/05/2001 | CA2108531C Downhole pump of constant differential hydraulic pressure |
| 03/27/2001 | US6206663 Piston pump |
| 03/21/2001 | CN1288108A High pressure compressor |
| 03/14/2001 | EP1083334A2 Multistage high pressure compressor |
| 03/13/2001 | US6199962 Hydraulic control unit for a vehicular brake system having a self-priming pump |
| 03/13/2001 | CA2217978C High pressure gas compressor |
| 02/28/2001 | EP1079106A2 Fuel pump |
| 02/13/2001 | US6186118 Integrated fuel rail and direct injection fuel pump |
| 01/10/2001 | EP0792817B1 Pumping through a variable volume plunger chamber |
| 12/26/2000 | US6164376 Triple action pumping system and method |
| 11/23/2000 | WO2000070220A1 High-pressure water pump |
| 11/23/2000 | DE19922636A1 High pressure water pump, has regulated secondary hydraulic oil circuit used for driving reciprocating piston within double-action hydraulic cylinder |
| 11/07/2000 | US6142224 Triple action pumping system with plunger valves |
| 10/24/2000 | US6135735 Piston pump |
| 09/07/2000 | DE19909279A1 Drive for hydraulic consumer e.g. on fork lift truck has electric linear motor driving pump piston |
| 08/15/2000 | US6102676 Pump |
| 07/11/2000 | US6086338 Water jet intensifier pump having a piston arrangement with a ceramic liner |
| 06/27/2000 | US6079209 Hydraulic power conversion device |
| 06/02/2000 | WO2000030910A1 Piston pump |
| 05/31/2000 | DE19854787A1 Device for filling of hydrodynamic retarder has stepped piston and return spring installed in cylinder forming part of hydraulic pump, and drive has check valves in lines to inlet and outlet ports respectively |
| 05/31/2000 | DE19854715A1 Kolbenpumpe Piston pump |
| 05/23/2000 | US6065945 Hydraulic engine |
| 04/25/2000 | US6053711 Pump for pressurizing control system |
| 04/05/2000 | CN2372477Y Water logging industrial gas compressor |
| 03/15/2000 | EP0985825A2 Plunger pump for lubricants |
| 02/15/2000 | US6024540 Pump for pumping through a variable volume plunger chamber having a pair of plungers disposed in a stepped cylinder with a slide valve |
| 01/05/2000 | DE19930608A1 Hydraulic control unit for motor vehicle's brake system |
| 12/22/1999 | EP0757757B1 Single-piston, multi-mode fluid displacement pump |
| 09/30/1999 | DE19813302A1 Kolbenpumpe bzw. Bremsanlage mit Kolbenpumpe Piston pump and brake system with piston pump |
| 09/29/1999 | EP0945614A2 Piston pump for a vehicle brake system |
| 09/14/1999 | US5951259 Reciprocating pump with improved primer element and method |
| 09/10/1999 | WO1999044873A1 Hydraulic control unit for an anti-lock brake system having a pump for performing pressure dump function |
| 07/07/1999 | EP0927305A1 Piston pump |
| 06/29/1999 | US5915927 Reciprocating pump for generating fluid pressure |
| 05/26/1999 | EP0918158A2 Piston pump |
| 03/23/1999 | US5885061 Pneumatic pump |
| 03/23/1999 | CA2245410A1 Triple action pumping system |
| 03/16/1999 | US5882599 Impedance or coulter aperture method of particle counting and sizing. |
| 01/28/1999 | WO1999004165A1 Piston pump |
| 01/27/1999 | EP0750740B1 Diluter |
| 01/21/1999 | DE19743747A1 Kolbenpumpe Piston pump |
| 01/13/1999 | EP0823021A4 High pressure gas compressor |
| 12/23/1998 | CN2301552Y Double differential hydro-cylinder high-speed hydraulic press |
| 11/18/1998 | EP0877637A1 Hydraulic pump mounted on a carrier |
| 10/06/1998 | US5817955 Apparatus for simultaneous aspiration and dispensation of fluids |
| 07/30/1998 | DE19702292A1 Recovery of potable water by reverse osmosis using mains pressure |
| 07/28/1998 | US5785506 Liquid feeding pump |
| 06/23/1998 | US5769615 Single-piston fluid displacement pump |
| 04/01/1998 | EP0832359A1 Pneumatic pump |
| 03/26/1998 | WO1998011979A1 Motor-driven reverse-osmosis pumping device |
| 03/17/1998 | US5729629 Handwritten symbol recognizer |
| 03/10/1998 | US5725365 Rolling diaphragm seal arrangement for a submersible pump system |
| 03/05/1998 | DE19738524A1 Hydraulic pump e.g. for ABS brake system |
| 02/19/1998 | WO1998006612A1 Dual action ball screw pump |
| 02/11/1998 | EP0823021A1 High pressure gas compressor |
| 12/11/1997 | WO1997046803A1 Reverse-osmosis pumping system |
| 11/19/1997 | EP0593645B1 Quick-change fluid section for piston-type paint pumps |
| 10/15/1997 | EP0681653B1 Cyclic hydraulic pump |
| 10/14/1997 | US5676104 For an internal combustion engine |
| 10/02/1997 | WO1997036105A1 Light two-stage piston pump |
| 09/24/1997 | EP0796658A2 Apparatus for simultaneous aspiration and dispensation of fluids |
| 09/21/1997 | CA2198544A1 Apparatus for simultaneous aspiration and dispensation of fluids |
| 09/03/1997 | EP0792817A1 Pumping through a variable volume plunger chamber |
| 08/12/1997 | US5655885 Reciprocating piston pump with modular fluid subassembly |
| 08/12/1997 | CA2041511C Dual-acting, reciprocating piston pump |
| 08/07/1997 | WO1997027901A1 Hydraulic pump mounted on a carrier |
| 05/13/1997 | US5628198 Liquid treatment apparatus for filtering liquid under pressure |
| 05/02/1997 | EP0770778A2 Quick-change fluid section for piston-type paint pumps |
| 04/16/1997 | CN1034601C Gas Compressors |
| 03/22/1997 | WO1997011007A1 Pumping through a variable volume plunger chamber |
| 02/12/1997 | EP0757757A1 Single-piston, multi-mode fluid displacement pump |
| 01/21/1997 | CA2114321C Quick-change fluid section for piston-type paint pumps |
| 01/02/1997 | EP0750740A1 Diluter |
| 11/26/1996 | US5577896 Pump |
| 11/07/1996 | WO1996034678A1 Fluid-actuated pressurisation device for a sea water or briny water desalination plant |
| 10/31/1996 | WO1996034199A1 High pressure gas compressor |
| 08/22/1996 | WO1996025598A1 Pneumatic pump |
| 08/21/1996 | CN1129285A Oil pump with anti-corrosion integral pump-cylinder and manufacturing method thereof |
| 07/30/1996 | US5540562 Single-piston, multi-mode fluid displacement pump |
| 07/23/1996 | US5538398 Hand operated bicycle pump |
| 06/25/1996 | US5529466 Reciprocating valved piston hydraulic pump assembly for anti-lock braking system |
| 06/11/1996 | US5525044 High pressure gas compressor |
| 05/09/1996 | DE4439545A1 Transverse filtration pump assembly |
| 01/16/1996 | US5484269 Fluid intensifier |
| 11/15/1995 | EP0681653A1 Cyclic hydraulic pump. |
| 11/09/1995 | WO1995030089A1 Single-piston, multi-mode fluid displacement pump |
| 11/09/1995 | CA2188952A1 Single-piston, multi-mode fluid displacement pump |
| 11/07/1995 | US5464330 Cyclic hydraulic pump improvements |
| 09/21/1995 | WO1995025269A1 Diluter |
| 07/25/1995 | US5435697 Seal arrangement for quick change fluid sections |
| 03/30/1995 | DE4331910A1 Reciprocating fluidic-medium pump |
| 03/02/1995 | DE4327849A1 Multiple-flow annular pump |