| Patents for F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320) |
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| 02/02/2005 | CN1573125A Rounded blower housing with increased airflow |
| 02/01/2005 | US6848887 Turbofan and mold thereof |
| 01/27/2005 | US20050019154 Impeller components and systems |
| 01/13/2005 | WO2005003568A1 A tangential fan |
| 01/13/2005 | US20050008484 Compressor |
| 01/13/2005 | US20050005606 Turbocharger compressor with non-axisymmetric deswirl vanes |
| 01/12/2005 | EP1496263A2 Vacuum pump and semiconductor manufacturing apparatus |
| 01/06/2005 | WO2005001295A1 Rounded blower housing with increased airflow |
| 01/06/2005 | US20050002782 Compressor |
| 01/06/2005 | US20050002781 Compressor for a gas turbine engine |
| 01/05/2005 | DE202004015942U1 Reversible action air pump has a mechanical switching system between inflation and evacuating and with integral non return valve |
| 01/05/2005 | CN1183331C 涡轮压缩机 Turbo compressor |
| 12/29/2004 | WO2004113732A1 Blower |
| 12/28/2004 | US6834501 Turbocharger compressor with non-axisymmetric deswirl vanes |
| 12/22/2004 | CN2665417Y Blade asymmetric type double air admission centrifugal blower fan |
| 12/16/2004 | WO2004108198A1 Multiple stage blower and enclosure therefor |
| 12/16/2004 | US20040253101 Composite air handling blower housing and method of assembly |
| 12/16/2004 | US20040253099 Cutoff for fan or blower |
| 12/16/2004 | US20040253098 Blower housing and cabinet with improved blower inlet airflow distribution |
| 12/16/2004 | US20040253092 Rounded blower housing with increased airflow |
| 12/16/2004 | CA2528384A1 Multiple stage blower and enclosure therefor |
| 12/15/2004 | EP1485623A1 Vacuum pumps with improved impeller configurations |
| 12/15/2004 | CN1180184C Blower especially for ventilating electronic devices |
| 12/09/2004 | US20040247461 Two stage electrically powered compressor |
| 12/09/2004 | US20040247432 High-pressure fan |
| 12/09/2004 | US20040244403 Turbofan and air conditioner having the turbofan |
| 12/08/2004 | EP1483508A1 Electrical aspirating assembly |
| 12/08/2004 | CN2661975Y Heated air circulation blower |
| 12/08/2004 | CN2661973Y Cross flow fan for elevator |
| 12/02/2004 | US20040237523 High-pressure ratio turbocharger |
| 12/01/2004 | CN1550678A Air blower |
| 12/01/2004 | CN1178029C Indoor unit of air conditioner and air conditioner therewith |
| 11/24/2004 | EP1478855A1 A centrifugal compressor |
| 11/24/2004 | CN1177145C Propeller type centrifugal compressor structure |
| 11/24/2004 | CN1176631C Fume extraction apparatus and assembly |
| 11/23/2004 | CA2357190C Foreign matter entanglement-preventing device in working engine |
| 11/18/2004 | CA2523560A1 Condensate pump for rooftop air conditioning unit |
| 11/17/2004 | EP1476663A1 Pump using waste tire |
| 11/11/2004 | WO2004097203A1 Propulsion of vehicles or transport of a medium by means of a conical body |
| 11/11/2004 | DE19823197B4 Querstromventilator Cross-flow fan |
| 11/10/2004 | CN2654910Y Base for electric pumping |
| 11/09/2004 | US6814661 Air extraction fan |
| 11/09/2004 | US6814542 Blower especially for ventilating electronic devices |
| 11/04/2004 | US20040218912 Portable pedestal electric heater |
| 11/04/2004 | DE20319749U1 Rohrventilator Duct Fan |
| 11/04/2004 | DE10316494A1 Radial conveyor system for flowable medium, has a rotatable, partially porous conveyance body with a porosity that affects the conveyance of a flowable medium |
| 11/03/2004 | EP1473465A1 Compressor |
| 11/03/2004 | EP1473463A1 Compressor |
| 11/03/2004 | EP1473462A1 Cartridge compressor unit |
| 11/03/2004 | CN2653181Y 电动泵 Electric pump |
| 11/03/2004 | CN1542290A Compressor |
| 11/03/2004 | CN1542289A Compressor |
| 10/28/2004 | WO2004092010A1 Propulsor |
| 10/27/2004 | CN2651475Y Radiator of forward axial flow fan |
| 10/26/2004 | US6808018 Heat circulation apparatus |
| 10/21/2004 | WO2004090337A1 A ventilating device comprising a cross-flow impeller |
| 10/21/2004 | US20040208740 Compound centrifugal and screw compressor |
| 10/21/2004 | DE19823575B4 Querstromventilator Cross-flow fan |
| 10/13/2004 | EP1356169A4 Double layer acoustic liner and a fluid pressurizing device and method utilizing same |
| 10/13/2004 | CN2648118Y A double-valve air pump |
| 10/13/2004 | CN2648117Y Adjustable pressure inflating device |
| 10/12/2004 | CA2164622C Grooved disk apparatus |
| 10/07/2004 | WO2004085031A1 Suction filter, turbo compressor, and method of packaging the compressor |
| 10/06/2004 | EP1463889A1 Compressor unit with control system |
| 09/30/2004 | WO2004083644A1 Integrated centrifugal compressor unit |
| 09/29/2004 | CN2644720Y Automatic air inflating and exhausting electric air pump |
| 09/29/2004 | CN1532462A 空调机 Air conditioning |
| 09/22/2004 | EP0981691B1 Vacuum pump with back-up bearing assembly |
| 09/22/2004 | CN1530594A Indoor unit of air conditioner |
| 09/21/2004 | US6792755 High-pressure ratio turbocharger |
| 09/16/2004 | US20040179961 Integrated compressor unit |
| 09/16/2004 | US20040179947 Motor driven two-stage centrifugal air-conditioning compressor |
| 09/15/2004 | CN2641336Y Two stage water ring vacuum pump |
| 09/02/2004 | US20040170505 Compressor unit comprising a centrifugal compressor and an electric motor |
| 08/26/2004 | WO2004071623A1 Adjustable, self-cleaning rotary machine which is intended to produce a flow of purified fluid |
| 08/26/2004 | US20040165988 Ceiling fan motor housing and method |
| 08/26/2004 | CA2513551A1 Adjustable, self-cleaning rotary machine which is intended to produce a flow of purified fluid |
| 08/25/2004 | EP1448896A1 Centrifugal turbine for breathing-aid devices |
| 08/25/2004 | CN1163672C Two-stage centrifugal compressor |
| 08/24/2004 | US6779970 Balancing piston for centrifugal compressors with a seal with small cells which have divergent play |
| 08/24/2004 | US6779964 Viscous drag impeller components incorporated into pumps, turbines and transmissions |
| 08/19/2004 | WO2004070283A1 Ventilating aggregate , units, system and methode including units that are easily connectable to other units and safety switch |
| 08/17/2004 | US6776576 Blower for forcing hot air out of a computer |
| 08/11/2004 | EP1444444A1 High-pressure fan |
| 08/11/2004 | CN1519476A Ventilation device |
| 08/11/2004 | CN1519475A Blower and mounting/dismounting method for same |
| 08/05/2004 | WO2004065211A1 Propelling device |
| 08/05/2004 | WO2004065210A1 Propelling device |
| 08/04/2004 | EP1441632A2 Robotic vacuum cleaner |
| 08/04/2004 | CN2630531Y Anti-cavitation structure for hydrogenation high-pressure pump |
| 08/04/2004 | CN2630530Y Air pump |
| 08/04/2004 | CN1160516C Electric blower and vacuum cleaner using it |
| 07/28/2004 | CN1159531C Turbofan for air conditioner system |
| 07/21/2004 | EP0799979B1 Engine cooler and construction machine |
| 07/20/2004 | US6765946 Fan for gas discharge laser |
| 07/15/2004 | US20040136827 Centrifugal blower |
| 07/13/2004 | US6761040 Cross flow fan and air conditioner fitted with the same |
| 07/08/2004 | US20040132400 Air evacuating ventilator |
| 07/08/2004 | DE4127134B4 Diagonallüfter Diagonal fan |
| 07/08/2004 | DE10261790A1 Strömungsmaschinenanordnung Fluid Machinery arrangement |