| Patents for F04D 23 - Other rotary non-positive-displacement pumps specially adapted for elastic fluids (928) |
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| 12/24/2008 | CN101331362A Outdoor unit for air conditioner |
| 12/24/2008 | CN100445567C Vortex flow fan |
| 12/18/2008 | WO2008154079A1 Pulverized coal exhauster fan bearing assembly and cooling system |
| 12/18/2008 | WO2008152048A1 Bulk materials pump and its use |
| 12/18/2008 | CA2687732A1 Pulverized coal exhauster fan bearing assembly and cooling system |
| 12/10/2008 | CN101319681A Vortex flow blower |
| 11/05/2008 | CN100430608C Vortex flow fan |
| 10/23/2008 | WO2008125630A1 Side channel compressor |
| 10/23/2008 | DE102007017915A1 Seitenkanalverdichter Side channel blowers |
| 10/22/2008 | EP1700039B1 Vacuum pumping arrangement |
| 10/16/2008 | WO2008122781A1 Compression method and means |
| 10/16/2008 | CA2682672A1 Compression method and means |
| 10/09/2008 | WO2008119769A1 Radial turbine and method for operating a radial turbine |
| 10/02/2008 | DE102007015777A1 Method for operating side-channel compressor e.g., for industrial applications such as packaging and medical technology, requires special switching unit for switching-over air exit channels |
| 07/31/2008 | WO2008076421A3 Device and method for opening an airway |
| 07/31/2008 | WO2008076421A2 Device and method for opening an airway |
| 07/29/2008 | CA2415889C Exhauster for a solid fuel pulverizing and firing system having an improved fan assembly |
| 07/02/2008 | CN100398843C Fluid pump, cooling apparatus and electrical appliance |
| 06/26/2008 | WO2008027388B1 Vacuum pumps with improved pumping channel cross sections |
| 06/26/2008 | CA2672688A1 Device and method for opening an airway |
| 06/12/2008 | US20080138219 Vacuum Pump |
| 05/15/2008 | US20080112790 Vacuum Side-Channel Compressor |
| 05/14/2008 | CN101178072A Punching type air compressor |
| 05/14/2008 | CN101178071A Fluid pump, cooling apparatus and electrical appliance |
| 05/06/2008 | US7367190 Supercharger with electric motor |
| 04/17/2008 | WO2008027388A3 Vacuum pumps with improved pumping channel cross sections |
| 04/10/2008 | DE10261317B4 Treibstoffpumpe Fuel pump |
| 03/20/2008 | DE102006041557A1 Side channel machine e.g. side channel compressor, has blade flow guidance adjusted to irrotational flow, so that guidance is aligned on parameters for performance, speed, peripheral speed in input area and in output area |
| 03/06/2008 | WO2008027388A2 Vacuum pumps with improved pumping channel cross sections |
| 03/05/2008 | EP1576292B1 Vacuum pumping arrangement |
| 02/21/2008 | WO2007134565A3 Conducting unit, and conducting methods |
| 02/20/2008 | CN100370144C Bulk material pump feeder |
| 02/14/2008 | WO2008018202A1 Pump and pump system |
| 02/13/2008 | CN101124409A Vacuum pump |
| 12/27/2007 | WO2007148645A1 Outdoor unit for air conditioner |
| 12/12/2007 | CN101086259A Vortex pump |
| 11/29/2007 | WO2007134565A2 Conducting unit, and conducting methods |
| 11/21/2007 | CN101076670A Side channel compressor with housing shells and running wheel |
| 10/03/2007 | EP1838966A1 Vacuum side channel compressor |
| 09/26/2007 | EP1837527A1 A rotary blower and aspirator having a modifiable conformation |
| 09/12/2007 | EP1152963B1 Multiple channel system, apparatus and method for transporting particulate material |
| 08/29/2007 | CN101025160A Pump and pumping system |
| 08/23/2007 | US20070196198 Apparatus for transporting a quantity of lost circulation material and methods of making and using same |
| 08/01/2007 | CN1329641C Secondary air supply system |
| 07/17/2007 | US7244111 Compressor apparatus and method for the operation of the same |
| 07/04/2007 | EP1803940A1 Regenerative pump |
| 06/27/2007 | EP1800010A2 Side channel compressor and housing shells and rotor therefor |
| 06/21/2007 | US20070140833 Vacuum pumping arrangement |
| 05/24/2007 | US20070116555 Vacuum pump |
| 05/23/2007 | CN1965771A 抽吸机 Suction machine |
| 05/15/2007 | US7217083 Regenerative pump having blades received in fluid passage |
| 05/02/2007 | CN1955488A Vortex flow fan |
| 05/02/2007 | CN1955487A Vortex flow fan |
| 05/02/2007 | CN1313734C Suction type ejector pump and a method for producing a nozzle for same |
| 04/26/2007 | DE102005046715B4 Seitenkanalgebläse, insbesondere für ein Fahrzeugheizgerät Side channel blower, in particular for a vehicle heater |
| 04/12/2007 | DE102006000489A1 Fluidpumpsystem Fluid pumping system |
| 04/12/2007 | DE10191077B4 Gekrümmtes Gebläserohr Curved blower tube |
| 04/03/2007 | US7198455 Vacuum pumping arrangement |
| 03/08/2007 | DE102005042228A1 Suction machine for low pressure generation during medical and dental surgeries, has middle housing part designed as hollow chamber part, and annular space connected with periphery of retaining chamber via inlet- and outlet slots |
| 03/08/2007 | DE102005042227A1 Rotor for side channel-suction machine, has hub part manufactured from metal e.g. aluminum alloy and running ring manufactured from glass reinforced plastic material, where running rotor has blades supported in torsion-free manner |
| 03/01/2007 | DE102005040305A1 Two-stage side channel suction machine for use in dental applications, provides rough surfaces to facing surfaces of impeller and working chamber of housing |
| 03/01/2007 | DE102004038924B4 Seitenkanal-Drehschieberpumpe Side channel rotary vane pump |
| 02/13/2007 | US7175383 Regenerative fluid pump and stator for the same |
| 02/08/2007 | DE102006025288A1 High pressure annular blower with medicinal, pharmaceutical, production, laboratory and mixing applications, sets up both through- and meridian flows |
| 02/07/2007 | CN1909968A System and method of pulverizing and extracting moisture |
| 01/31/2007 | CN1297752C 涡流风扇 Eddy fan |
| 01/24/2007 | CN1296623C Regenerative pump having blades received in fluid passage |
| 01/23/2007 | US7165942 Fan impeller with integrated grease separation, especially for cooking appliance |
| 01/09/2007 | US7160081 Vacuum pump |
| 12/27/2006 | CN1886559A Cooling system for a blower |
| 12/14/2006 | DE19723476B4 Beschichtung zur Verhinderung von Funkenbildung bei der Ummantelung eines Sauerstoffkompressors Coating to prevent sparks through the jacket of an oxygen compressor |
| 12/06/2006 | EP1729010A1 Vacuum blower |
| 11/30/2006 | DE19819267B4 Seitenkanalverdichter Side channel blowers |
| 11/22/2006 | EP1724469A2 Hybrid turbomolecular vacuum pumps |
| 11/16/2006 | WO2005059367A3 Vacuum pumping arrangement |
| 11/15/2006 | EP1322865B1 Mixed flow and centrifugal compressor for gas turbine engine |
| 11/08/2006 | CN1860301A Vacuum pump |
| 10/12/2006 | DE10292467B4 Aufstellvorrichtung für ein Seitenkanalgebläse Set-up for a side channel blower |
| 10/04/2006 | EP1706545A1 Cooling system for a blower |
| 09/21/2006 | WO2006039894A3 Side channel compressor and housing shells and rotor therefor |
| 09/20/2006 | EP1703136A2 Lateral channel compressor |
| 09/13/2006 | EP1700039A2 Vacuum pumping arrangement |
| 09/06/2006 | EP1697052A2 System and method of pulverizing and extracting moisture |
| 08/31/2006 | DE10301613B4 Motor-Pumpeneinheit Motor-pump unit |
| 08/31/2006 | DE102005046715A1 Side channel compressor consists of compressor housing with rotary axle that has conveying channel with electro-motor that has a housing with closure wall on which a drive shaft sits |
| 08/31/2006 | DE102005008388A1 Impeller wheel for side channel machine, e.g. compressors and vacuum pumps, has at least one guide rib between adjacent blades extending inwards into cross-sectional region(s) of radial outer edging of flow chamber |
| 08/24/2006 | DE102005005142A1 Horizontally/vertically operating centrifugal processing machine for conveying gas/ fluid in float, has housing segment connecting cells over part of rotor surrounded by section, with fluid, for energy exchange between fluid and cells |
| 08/23/2006 | EP1693574A1 Impeller of mixed flow compressor |
| 08/15/2006 | US7090460 Pump embodied as a side channel pump |
| 07/27/2006 | WO2006077175A1 Vacuum side channel compressor |
| 07/27/2006 | US20060165528 Fan impeller with integrated precipitation of fat particles in particular for a cooking device |
| 07/27/2006 | DE102005003091A1 Vakuum-Seitenkanalverdichter Vacuum Side channel blowers |
| 07/20/2006 | DE10344721B4 Seitenkanalverdichter Side channel blowers |
| 06/29/2006 | US20060140794 Vacuum pumping arrangement |
| 06/21/2006 | EP1672222A2 Lateral channel compressor |
| 06/21/2006 | EP1672221A2 Compressor, in particular lateral channel compressor |
| 06/21/2006 | CN1791753A Fuel pump |
| 06/15/2006 | US20060127264 Multi-vane device |
| 06/14/2006 | EP1668255A1 Vacuum pump |
| 06/14/2006 | EP1668254A2 Vacuum pump |