| Patents for F04B 15 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts (3,388) |
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| 03/06/2003 | WO2003019007A1 Method for controlling a thick matter pump |
| 03/05/2003 | CN2538969Y Hard alloy wear-proof plate and wear-proof ring for concrete delivering pump |
| 02/27/2003 | US20030039566 Manure transfer apparatus with spring biased guillotine door |
| 02/27/2003 | US20030038466 Support booms for mobil working machines and mobil concrete pump with said support booms |
| 02/13/2003 | WO2003012296A1 Pumping arrangement |
| 02/04/2003 | CA2084299C Valve porting for rotating barrel ram pump |
| 01/29/2003 | EP1278961A1 Pumping of liquefied gas |
| 01/29/2003 | CN2533294Y Valve for mud pump for oil field |
| 01/29/2003 | CN2533293Y Coiled pipe extrusion pump |
| 01/29/2003 | CN2533292Y Multi-roller extrusion pump |
| 01/29/2003 | CN1100210C Method of processing remained concrete in concrete pump |
| 01/28/2003 | US6511305 Oscillatory pump-conveyor for transporting liquid-solid mixture with the employment of rotational and inertial forces |
| 01/28/2003 | US6511302 Slurry piston pump with cylinder cleaning apparatus |
| 01/22/2003 | CN2532311Y Float buffer driving hydraulic cylinder for distribution valve of concrete pump |
| 01/22/2003 | CN1099528C Engine fuel pump |
| 01/16/2003 | WO2003004875A1 Device for transporting a free-flowing bulk product to be transported |
| 01/16/2003 | WO2003004874A1 Device for conveying flowable or pourable material |
| 01/16/2003 | WO2003004873A1 Device for conveying free-flowing or bulk materials |
| 01/15/2003 | CN2531129Y Wear-risisting ring with hard alloy wear-resisting surface |
| 01/15/2003 | CN2531128Y Wear-resisting board with labyrinth sealing structure on wear-resisting surface |
| 01/09/2003 | US20030007880 Slurry piston pump with cylinder cleaning apparatus |
| 01/03/2003 | WO2003001062A1 High-pressure pump |
| 01/02/2003 | US20030001528 Ion implanting system |
| 12/19/2002 | WO2002101238A1 A gas compressor and relief valve |
| 12/18/2002 | CN2526541Y Pumping mechanism easy to replace concrete piston |
| 12/18/2002 | CN2526540Y Pumping mechanism easy to replace concrete piston |
| 12/18/2002 | CN2526539Y Friction-resisting corrosion-proof cylinder for delivering concrete |
| 12/18/2002 | CN2526538Y Engineering ceramic cylinder jack for slurry pump |
| 12/18/2002 | CN2526532Y Semi-sealed/full-sealed hose pump |
| 12/17/2002 | US6495366 Method for pumping or delivering fluids utilizing a flexible vessel subject to controlled pressures within another pressure vessel. the pressure vessel can be sourced with positive and/or negative (e.g., vacuum) pressure. |
| 12/17/2002 | CA2113589C Concrete pump monitoring system |
| 12/11/2002 | EP1076596B1 Material feed container, especially for thick matter pumps |
| 12/11/2002 | CN1095816C Active agent for raising pumping performance of cement and method for improving pumping performance of cement composition |
| 12/03/2002 | US6488477 Material feed container, especially for thick material pumps |
| 11/26/2002 | US6484763 Device for transporting fluids, such as viscous adhesives or sealants |
| 11/19/2002 | US6481218 Pump system for delivering cryogenic liquids |
| 11/12/2002 | US6478513 Fluid pumping apparatus for particulate material system |
| 11/06/2002 | EP1255041A2 Directional, low-leakage seal assembly |
| 11/05/2002 | US6474078 Pumping system and method for pumping fluids |
| 10/31/2002 | WO2002086322A2 Fluid controlled pumping system and method |
| 10/31/2002 | CA2441307A1 Fluid controlled pumping system and method |
| 10/30/2002 | EP1251893A1 Uninterrupted flow pump apparatus and method |
| 10/30/2002 | EP0922162B1 Travelling thick matter pump |
| 10/24/2002 | US20020154569 Apparatus and method to dispense a slurry |
| 10/24/2002 | DE10118479A1 Förderaggregat für alternative Kraftstoffe Delivery unit for alternative fuels |
| 10/24/2002 | DE10116089A1 Dosing pump for low-viscosity fluid has dosing piston fixed to self-returning pump operating device |
| 10/22/2002 | US6468049 Combination air compressor-lifting jack |
| 10/17/2002 | WO2002081917A1 Displacement pump and ancillary equipment |
| 10/17/2002 | US20020150483 Double acting reciprocating motor with uni-directional fluid flow |
| 10/16/2002 | EP1249602A2 Pump for alternative fuels |
| 10/10/2002 | US20020145259 Directional, low-leakage seal assembly |
| 10/10/2002 | US20020144509 Pumping system and method for pumping fluids |
| 10/09/2002 | EP1248032A2 Pumping system and method for pumping fluids |
| 10/09/2002 | CN1092290C Positive displacement pump with spool |
| 10/04/2002 | CA2379648A1 Directional, low leakage seal assembly |
| 10/03/2002 | US20020141891 Abrasive liquid pump apparatus and method |
| 09/24/2002 | US6454542 Hydraulic cylinder powered double acting duplex piston pump |
| 09/17/2002 | US6450779 Two-cylinder thick matter pump |
| 09/12/2002 | US20020124720 Hydraulic retention system for reciprocating pump cylinder liner |
| 09/11/2002 | EP0988450B1 Two-cylinder thick matter pump |
| 09/10/2002 | US6447216 Fluid pumping system for particulate material |
| 09/04/2002 | EP1235982A1 Thick matter pump |
| 09/04/2002 | EP1235961A1 Method and arrangement for concreting vertical shafts |
| 09/04/2002 | CN2509351Y Self-expanding mud pump piston |
| 09/03/2002 | US6443718 Shuttle valve for concrete pump |
| 08/28/2002 | EP1055069B1 Sliding device for a two-cylinder pump for liquids |
| 08/28/2002 | CN1089862C Axial air intake and exhaust double-action liquid ring pump |
| 08/27/2002 | US6439863 Fuel pump with vapor lock inhibiting check valve |
| 08/20/2002 | CA2275358C Pump system |
| 08/07/2002 | CN2504400Y Sand prevention slurry pump |
| 07/25/2002 | WO2002057551A1 Method for hydraulic subsea dredging |
| 07/23/2002 | US6422840 Hydraulic displacement pump having two stroke length |
| 07/23/2002 | US6422430 Pressure pump for high viscosity fluid |
| 07/18/2002 | US20020094281 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| 07/18/2002 | US20020092418 Triplex drilling mud pump fluid driving implement |
| 07/17/2002 | CN2500838Y Plunger pump for cement paste |
| 07/17/2002 | CN2500834Y Sealer fordischarging of concrete pump |
| 07/17/2002 | CN2500833Y Concentrated material pump |
| 07/16/2002 | US6419841 Accumulator/second pump in fluid communication with a first pump, filter between them; second pump operates independent of first pump; for high purity fluids; microelectronics |
| 07/12/2002 | CA2330698A1 The chain-piston pumping installation |
| 07/04/2002 | US20020085921 High pressure pump system for supplying a cryogenic fluid from a storage tank |
| 07/02/2002 | CA2117510C Closed loop sludge flow control system |
| 06/19/2002 | EP1003969B1 Two-cylinder thick matter pump |
| 06/13/2002 | US20020072698 Pumping device for helping severe failing of left ventricle or heart |
| 06/04/2002 | US6398527 Reciprocating motor with uni-directional fluid flow |
| 06/04/2002 | US6398081 Volumetric pump |
| 05/29/2002 | EP1207934A2 Guidable intravascular blood pump and related methods |
| 05/15/2002 | EP1204822A1 Cryogenic pump manifold with subcooler and heat exchanger |
| 05/15/2002 | CN2491625Y Durable slurry pump piston |
| 05/14/2002 | CA2232890C Pump to surface pump |
| 05/10/2002 | WO2002016766A3 Reciprocating motor with unidirectional fluid flow |
| 05/08/2002 | CN1348423A Transport of solid particulates |
| 05/01/2002 | CN2489110Y Energy-saving pump |
| 04/24/2002 | EP0861375B1 Process and device for controlling a two-cylinder thick medium pump |
| 04/23/2002 | US6375432 Pipeline air pocket detection system |
| 04/18/2002 | WO2002008522A3 Support booms for mobile working machines and mobile concrete pump with said support booms |
| 04/18/2002 | US20020043502 Accumulator/second pump in fluid communication with a first pump, filter between them; second pump operates independent of first pump; for high purity fluids; microelectronics |
| 04/17/2002 | EP0925450B1 Pump for thick substances |
| 04/17/2002 | CN1083064C High efficiency flow-through priming piston |
| 04/03/2002 | EP0991864B1 Piston pump for thick matter |