| Patents for F04B 15 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts (3,388) |
|---|
| 12/06/1994 | US5371828 System for delivering and vaporizing liquid at a continuous and constant volumetric rate and pressure |
| 12/06/1994 | US5370507 Reciprocating chemical pumps |
| 12/01/1994 | DE4413940A1 Sludge pump |
| 11/30/1994 | EP0539373B1 Device for conveying dense substances |
| 11/30/1994 | CN2184104Y Valve of pump with abrasion-resistant surface |
| 11/23/1994 | EP0625641A2 Use of stellite to prevent silver plateout |
| 11/23/1994 | EP0625639A1 Pump |
| 11/23/1994 | CN1095451A 一种计量泵 A measure of the pump |
| 11/08/1994 | US5361800 Liquid pump and vaporizer |
| 11/01/1994 | US5360321 Feeding reservoir for two-cylinders thick-matter pumps |
| 10/26/1994 | CN2180801Y Hard alloy cylinder sleeve for slurry pump |
| 10/13/1994 | WO1994023201A2 Cryogenic fluid pump and tank apparatus and method |
| 10/06/1994 | DE4310888A1 Metering pump for delivering and metering composition |
| 10/05/1994 | CN1026147C Single-cylinder, double-acting hydraulic mud pump |
| 09/28/1994 | CN1026023C Concrete pump |
| 09/15/1994 | WO1994020190A1 Apparatus and method for supercritical fluid extraction |
| 09/15/1994 | WO1994020189A1 Apparatus and method for supercritical fluid extraction |
| 09/15/1994 | WO1994020188A1 Apparatus and method for supercritical fluid extraction |
| 09/15/1994 | DE4307329A1 Bore hole lifting pump for pumping out gas-containing liquids |
| 09/14/1994 | CN2177103Y 泥浆泵 Mud Pump |
| 09/13/1994 | US5346368 Sludge flow measuring system |
| 09/13/1994 | US5346119 Work pieces having a wear resistant coating produced by brazing and process for producing same |
| 09/13/1994 | CA2011816C Cryogas pump |
| 09/09/1994 | CA2117248A1 Bellows pump |
| 09/08/1994 | DE4323733C1 Delivery pump |
| 09/01/1994 | WO1994019564A1 Pumps for viscous liquids or slurries |
| 08/31/1994 | CN1091499A Adhesive material pump with rotative dispensing mechanism |
| 08/23/1994 | US5340291 Flow restraining device for a thick matter conveying apparatus |
| 08/18/1994 | WO1994018501A1 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 08/18/1994 | CA2154875A1 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 08/17/1994 | EP0610708A1 Dosing pump |
| 08/09/1994 | US5336055 Closed loop sludge flow control system |
| 08/09/1994 | US5336052 Viscous material pump |
| 08/04/1994 | DE4341607A1 Transport system for shredded scrap-metal in viscous material |
| 08/02/1994 | US5334001 Mounting arrangement for a positive displacement slurry pump |
| 07/26/1994 | US5332366 Concrete pump monitoring system |
| 07/20/1994 | CN1089691A Mud pump with supplying cylinder, especially concret pump with double cylinders |
| 07/19/1994 | US5330332 Manure transfer system |
| 07/19/1994 | US5330331 Metering pump for highly viscous fillings |
| 07/13/1994 | EP0373202B1 Piston pump for multiphase fluids and applications thereof |
| 07/06/1994 | EP0604888A1 Pump for viscous substances with a rotary gate valve |
| 07/01/1994 | CA2112730A1 Pump for viscous matter, comprising a rotative distribution device |
| 06/29/1994 | CN1088664A Concrete pump with conveying cylinder, especially double-cylinders concrete pump |
| 06/28/1994 | US5324168 Use of stellite to prevent silver plateout |
| 06/15/1994 | CN1087921A Sulfone and ether engineering plastic and non-metal alloy pump as well as valve technology |
| 06/08/1994 | CN2168090Y Rotor-piston type concrete injection machine |
| 06/01/1994 | EP0599738A1 Fluid-tight piston pump |
| 06/01/1994 | CN2167210Y Ceramic cylinder sleeve of piston pump |
| 05/31/1994 | US5316453 Slurry pump with discharge cylinders, especially two-cylinder concrete pump |
| 05/31/1994 | US5316451 Valve porting for rotating barrel ram pump |
| 05/25/1994 | CN2166250Y Stepless quantity regulating mudjack |
| 05/19/1994 | DE4339178A1 Pump for liquid hydrogen - Has reciprocating cylinder driven by crank with internal piston supported by frame on universal joint |
| 05/18/1994 | CN1086879A Unit for sealing of relative sliding surface of S shaped sluice valve of concrete pump |
| 05/11/1994 | EP0595820A1 Material feed container for thick substance pumps |
| 05/10/1994 | US5310321 Pump system |
| 05/04/1994 | CN2163883Y Pressure feedback balanced self-oiling piston for reciprocating pump |
| 05/03/1994 | US5308230 Bellows pump |
| 04/20/1994 | EP0592943A1 Coffee-making machine |
| 04/20/1994 | EP0592395A1 A displacement pump as well as a pump assembly comprising two displacement pumps. |
| 04/19/1994 | US5304041 Method and device for dosing pumping |
| 04/12/1994 | US5302094 Tube switch for a double-cylinder sludge pump |
| 03/30/1994 | EP0589667A1 Valved discharge mechanism of a refrigerant compressor |
| 03/30/1994 | CN2160023Y Reciprocating piston pump jacket |
| 03/22/1994 | US5296145 Apparatus and method for supercritical fluid extraction |
| 03/22/1994 | US5295809 Valved piston pump with cylinder biasing means |
| 03/16/1994 | CN2158931Y Pump cylinder casing for slurry pump |
| 03/16/1994 | CN2158930Y Dynamic sealing compensation piston |
| 03/09/1994 | EP0586294A1 Device for the distribution of cryogenic fluid to apparatuses using them |
| 03/03/1994 | WO1994004821A1 Tube switch for a double-cylinder sludge pump |
| 03/03/1994 | DE4228806A1 Conveying device for thick matter - has flat finger lamelles connected to rotary joints and whose rotary axes are perpendicularly aligned to flow direction in feed conduit |
| 03/03/1994 | CA2136611A1 Tube switch for a double-cylinder sludge pump |
| 03/02/1994 | EP0584453A1 Pump for solid materials |
| 02/23/1994 | CN2157329Y Liquid inlet and outlet valves for reciprocating plunger mud pump |
| 02/16/1994 | CN2156308Y High-pressure pulp feeding pump |
| 01/27/1994 | DE4323796A1 Method of removing residual concrete from hopper and delivery pipe of piston type pump - involves running pump empty to create air pressure expelling part of residual concrete and then pumping water behind sponge to expel remainder |
| 01/26/1994 | EP0580196A1 Pump comprising a partially hollow piston |
| 01/21/1994 | CA2100837A1 Pump comprising a partially hollow piston, and its applications especially in the petroleum industry |
| 01/13/1994 | DE4322805A1 Slide surface seal for S=shape valve in concrete pump - has concrete hydraulic cylinder to position coupling between slide disk and ring |
| 01/11/1994 | US5277561 For conveying a fluid |
| 01/05/1994 | CN2152095Y Horizontal double piston single function two-way hydraulic mud pump |
| 12/22/1993 | CN2150356Y Electric-heating two-purpose hand-driven oil pump |
| 12/15/1993 | CN2149494Y Self-lubrication mud pump for dring |
| 12/14/1993 | US5269930 Apparatus and method for supercritical fluid extraction |
| 12/07/1993 | US5268103 Apparatus and method for supercritical fluid extraction |
| 12/07/1993 | US5268102 Apparatus and method for supercritical fluid extraction |
| 11/24/1993 | CN2147369Y Light mud pump |
| 11/23/1993 | US5263828 Two-cylinder thick matter pump having a piston storage |
| 11/16/1993 | US5261795 Volumetric pump and process for volumetric pumping |
| 11/03/1993 | EP0567826A2 Solid pump |
| 11/02/1993 | US5257912 Method of monitoring operation |
| 10/28/1993 | DE4213359A1 Piston dispenser for viscous reactive media - contains bore passing from piston through piston rod to outlet for dispensing material after certain reaction time. |
| 10/05/1993 | US5250195 For computer controlled high pressure treatment of samples before measurement of radioactivity |
| 09/29/1993 | EP0562498A1 Pump for thick materials with delivery cylinders, in particular two-cylinder pump for concrete |
| 09/29/1993 | EP0562398A1 Pump for viscous material |
| 09/25/1993 | CA2092397A1 Pump for thick matter having delivery cylinders, in particular a two-cylinder concrete pump |
| 09/23/1993 | DE4208961A1 Compressed air driven double membrane pump - uses two modules each divided into pump chamber and air chamber |
| 09/22/1993 | EP0561262A1 Pump for viscous materials having cylinders, in particular two cylinder concrete pump |
| 09/22/1993 | CA2092065A1 Sludge pump |
| 09/20/1993 | CA2092044A1 Slurry pump with discharge cylinders, especially two-cylinder concrete pump |
| 09/16/1993 | WO1993018301A1 Process for measuring the flow rate of thick matter pumps |