| 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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| 03/27/2002 | CN2483532Y Low/high pressure purging devie for concrete conveying pump |
| 03/27/2002 | CN2483531Y Low/high pressure purging device for concrete conveying pump |
| 03/27/2002 | CN2483526Y Pump for sucking high temp. smelt metal |
| 03/27/2002 | CN1342106A Fluid dispensing apparatus |
| 03/20/2002 | EP1187645A1 Mechanically operated liquid pump |
| 03/19/2002 | US6358468 Apparatus and method for metering molten metal |
| 03/19/2002 | US6358322 Apparatus to feed flowing media in metered manner |
| 03/14/2002 | US20020030076 Transport of solid particulates |
| 03/13/2002 | EP1185793A1 Method and arrangement for pumping material |
| 03/06/2002 | CN1080388C Cam pump for production of alternating sequences of polymer flow pulses |
| 02/28/2002 | WO2002016766A2 Reciprocating motor with unidirectional fluid flow |
| 02/21/2002 | DE10039214A1 Cryogenic fluid pump uses pulsed hot wire can deliver small fluid volume is reliable |
| 02/21/2002 | DE10038647A1 Pumping concrete and other viscous materials, determines position of piston during stroke from quantity of pressure medium supplied and leaving |
| 02/20/2002 | CN2477855Y Sludger for deep well drilling machine and drilling machine vehicle |
| 02/20/2002 | CN1336487A S-shaped pipe and valve multiple-cylinder concrete conveying pump with multiple position and multiple way |
| 02/12/2002 | CA2224749C Cryogenic fluid system and method of pumping cryogenic fluid |
| 02/07/2002 | DE10036202A1 Dickstoffpumpe Slurry pump |
| 02/07/2002 | DE10035379A1 Procedure for feed of viscous materials with high internal friction resistance entails introducing material portion into receiving unit and pushing it from there by pushing device operated by pressurized medium |
| 01/31/2002 | WO2002008605A1 Thick matter pump |
| 01/31/2002 | WO2002008522A2 Support booms for mobile working machines and mobile concrete pump with said support booms |
| 01/23/2002 | EP1173703A1 Pump system for delivering cryogenic liquids |
| 01/17/2002 | DE10032622A1 Concrete pumping vehicle as footed boom reciprocates boom by double-acting hydraulic cylinder led through boom box and telescoping parts so box swivel axis intersects cylinder axis at right angles. |
| 01/16/2002 | EP1171710A1 Pump system for delivering cryogenic liquids |
| 01/16/2002 | EP1171709A1 Piston metering pump for aggressive liquids |
| 01/16/2002 | CN2471965Y Sand Sucking pump |
| 01/15/2002 | US6338615 Pipe switch for two-cylinder thick-material pump |
| 01/09/2002 | EP1169136A1 Fluid dispensing apparatus |
| 01/03/2002 | US20020002321 Pump driving unit for driving a pump used for supporting or substitution of cardiac function |
| 01/03/2002 | DE10109516A1 Valve for concrete pump has change drive independent of feed housing, double funnel for each pump cylinder, and mechanism to open/close concrete channels |
| 12/20/2001 | US20010052527 Volumetric pump |
| 12/19/2001 | CN2466386Y Self-pressure compensation mud pump piston |
| 12/12/2001 | EP1162365A1 High-pressure fuel feed pump of internal combustion engine |
| 12/06/2001 | DE10027407A1 Control of a pump for thick material, such as concrete, where the pump has two cylinder units operating reciprocally and has a controller that operates with piston position sensors to precisely control the speed of the pistons |
| 12/05/2001 | CN2463559Y Variable acid-proof anti-corrosive sludge pump |
| 11/28/2001 | EP1156975A1 Transport of solid particulates |
| 11/21/2001 | EP1156219A1 Fluid device such as pump and accumulator |
| 11/20/2001 | US6319410 Apparatus and method for super critical fluid extraction |
| 11/15/2001 | DE10022791A1 Thick matter pump, e.g. for concrete; is reciprocating pump or peristaltic pump, where pump action sets working fluid under pressure to operate machine, appliance or tool |
| 11/14/2001 | EP1153238A1 Bottom entry pumping system with tertiary containment |
| 11/14/2001 | CN2459466Y Mud pump |
| 11/13/2001 | US6315537 Spin pump having a cooling sleeve surrounding the drive shaft |
| 11/08/2001 | WO2001083989A1 Pumping of liquefied gas |
| 11/07/2001 | CN1321221A Systems and methods for control of pumps |
| 10/23/2001 | US6305916 Concrete pump with pivotable hopper assembly |
| 10/23/2001 | US6305265 Method and apparatus for pressurizing vaporous fluids |
| 10/18/2001 | US20010031212 Hydraulic displacement pump having two stroke length |
| 10/09/2001 | US6299416 Bulk material pump device |
| 10/02/2001 | US6297295 Adding a foaming agent to form a mixture; and mixing said mixture to form a foam within the mixture. |
| 10/02/2001 | US6296769 Multi-chambered supercritical fluid extraction cartridge and processes using it |
| 09/26/2001 | EP1135608A1 Compressor arrangement |
| 09/25/2001 | US6294088 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 09/25/2001 | US6293759 Die casting pump |
| 09/20/2001 | WO2001017581A3 Guidable intravascular blood pump and related methods |
| 09/19/2001 | CN2448945Y Double-liquid mud-injection pump |
| 09/13/2001 | DE10011470A1 Delivery pipe system for liquid concrete has expanding and contracting seals and has telescopic mast sections making up telescopic delivery pipe with seals between adjacent sections |
| 09/13/2001 | DE10011469A1 Twin cylinder pump operating arrangement with variable speed pistons for pumping liquid concrete |
| 09/11/2001 | US6286320 Bottom entry pumping system with tertiary containment |
| 09/05/2001 | EP1129290A1 Systems and methods for control of pumps |
| 09/04/2001 | US6283680 Device for pneumatic transport of material such as concrete |
| 08/22/2001 | CN2444067Y electric conducting liquid pump |
| 08/22/2001 | CN1309748A Engine fuel pump |
| 08/22/2001 | CN1309240A Mud pump with plunger of composite material |
| 08/09/2001 | DE10004779A1 Dickstoffförderer mit Verteilermast sowie Verfahren zum pulsierenden Pumpen von Dickstoffen Thick matter conveyor with boom and methods of pulsating pumps thick matter |
| 08/08/2001 | EP1122434A2 Pressure pump for high viscosity fluid |
| 08/08/2001 | EP1122380A1 Slurry pump with distribution boom as well as method of pulsation pumping of slurries |
| 07/31/2001 | US6267571 Hydraulic displacement pump having two stroke length |
| 07/25/2001 | CN1304812A Spectacle plate and cutting ring for concrete delivering pump and making technology thereof |
| 07/12/2001 | DE19946613C1 Temperature-regulated adhesive pump e.g. for labelling machine, has full power and reduced power heating elements used for obtaining and maintaining required adhesive temperature |
| 06/26/2001 | US6251293 Microelectronics, pumping and suction of fluids |
| 06/26/2001 | US6251267 Apparatus for supercritical fluid extraction |
| 06/20/2001 | CN2435542Y Plunger hand mortar pump |
| 06/19/2001 | US6247352 System for monitoring diaphragm pump failure |
| 06/14/2001 | WO2001042570A1 Method and arrangement for concreting vertical shafts |
| 06/13/2001 | DE19959217A1 Verfahren und Anordnung zum Betonieren von vertikalen Schächten Method and arrangement for concreting vertical shafts |
| 06/07/2001 | WO2001040653A1 Fluid device such as pump and accumulator |
| 06/07/2001 | WO2001040649A1 Thick matter pump |
| 06/06/2001 | CN2433413Y Wear-resisting board for concrete pump |
| 06/05/2001 | US6241890 Apparatus comprising means for moving sealed collection vials in and out of position, penetrating means positioned to penetrate seal of plurality of collection vials in series with restrictor capillary tube so fluid may enter vial |
| 05/31/2001 | DE19957337A1 Pump for viscous material has charging pressure device separate from pump unit near suction line that actively causes compression of viscous material |
| 05/30/2001 | EP1102930A1 Engine fuel pump |
| 05/30/2001 | CN1066520C Straight shaft plunger mud pump |
| 05/29/2001 | US6238576 Chemical liquid supply method and apparatus thereof |
| 05/22/2001 | US6234766 Pump system |
| 05/15/2001 | CA2018116C Positive displacement pump and process for effecting pumping |
| 05/10/2001 | DE19952728A1 Process for recovery of highly viscous products with thixotropic properties involves immersing device equipped with pump into product, removing pump and transporting product via line |
| 05/08/2001 | US6227813 Apparatus for pumping mortar grout |
| 04/30/2001 | CA2324043A1 Die casting pump |
| 04/25/2001 | EP1094226A1 Conveyor operated by transfering of oscillating rotor inertias |
| 04/24/2001 | US6220834 Support pipe for concrete pump with pivoting valve |
| 04/24/2001 | US6220037 Cryogenic pump manifold with subcooler and heat exchanger |
| 04/17/2001 | CA2035255C De-sludging systems |
| 04/05/2001 | DE10045960A1 Glue pump with separate liquid and drive regions has piston rod element(s) connecting drive unit to valve unit and mounted outside medium conducting element and at least partly in housing |
| 04/04/2001 | CN1290311A Extrusion pump |
| 03/27/2001 | US6206662 Two-cylinder slurry pump |
| 03/15/2001 | WO2001018395A1 Systems and methods for control of pumps |
| 03/15/2001 | WO2001017588A1 Uninterrupted flow pump apparatus and method |
| 03/15/2001 | WO2001017581A2 Guidable intravascular blood pump and related methods |
| 03/07/2001 | EP1080866A1 Positive displacement extrusion of viscous material |
| 02/21/2001 | EP1076596A1 Material feed container, especially for thick matter pumps |
| 02/14/2001 | CN2419389Y Wear-resisting ceramic sheets on fluiding surface and fixing strips therefor |