| Patents for F04D 23 - Other rotary non-positive-displacement pumps specially adapted for elastic fluids (928) |
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| 02/05/1998 | WO1998004836A1 Side channel compressor |
| 01/22/1998 | WO1998002663A1 Side channel fan, in particular for supplying combustion air in an independent heater of a motor vehicle |
| 01/22/1998 | DE19723476A1 Compressor housing with interior spark-suppressing coating |
| 01/22/1998 | DE19631257A1 Seitenkanalgebläse, insbesondere für die Verbrennungsluftzuführung bei einem Standheizgerät eines Kraftfahrzeuges Side channel blower, in particular for the combustion air supply in a parking heater of a motor vehicle |
| 01/08/1998 | DE19650910C1 Compressor for gases with hydrogen sulphide constituents |
| 01/08/1998 | DE19626876A1 Cement flour or pellets silo discharger as air compressor |
| 12/24/1997 | WO1997048906A1 Side channel blower, in particular for supplying combustion air to the auxiliary heater of a motor vehicle |
| 12/16/1997 | US5697152 Method of manufacturing an impeller |
| 11/27/1997 | DE19721108A1 Fuel pump used in vehicle |
| 11/05/1997 | EP0805275A2 Vacuum pumps |
| 09/30/1997 | US5672052 Blower muffling apparatus |
| 09/30/1997 | US5672046 Side-channel compressor |
| 08/27/1997 | EP0791751A1 Rotary suction and blowing machine |
| 08/20/1997 | CN1157376A Cross flow type blower |
| 08/19/1997 | US5658126 Side channel compressor |
| 06/26/1997 | WO1997022822A1 High temperature, high speed rotary valve |
| 06/19/1997 | DE19546250A1 Electric motor driven combustion-air blower for vehicle heater |
| 05/28/1997 | EP0775829A1 Turbomolecular vacuum pumps |
| 05/28/1997 | EP0775828A1 Turbomolecular vacuum pumps |
| 05/14/1997 | CN1149677A Lateral path compressor |
| 05/14/1997 | CN1149676A Compressor equipment |
| 05/13/1997 | US5628615 Vortex flow blower and vane wheel therefor |
| 05/07/1997 | DE19540710A1 Fan for very hot gases |
| 05/02/1997 | EP0770781A1 Turbomolecular vacuum pumps |
| 04/16/1997 | CN1147601A Side-channel compressor |
| 04/09/1997 | EP0767308A1 Side-channel compressor |
| 03/26/1997 | EP0563293B1 Floating self-centering turbine impeller |
| 03/20/1997 | WO1997010441A1 Housing for a sound absorber which can be connected to a compressor |
| 03/20/1997 | WO1997010440A1 Compressor unit |
| 03/20/1997 | WO1997010439A1 Side channel compressor |
| 03/20/1997 | WO1997010438A1 Housing for a side channel compressor |
| 03/20/1997 | DE19534299A1 Electrically-driven side channel compressor |
| 03/19/1997 | EP0763663A2 Compressor assembly |
| 03/19/1997 | EP0763662A2 Side-channel compressor |
| 03/19/1997 | EP0763661A2 Side-channel compressor |
| 02/25/1997 | US5605443 Compressor set |
| 02/18/1997 | US5603601 Compressor with attachments mounted on stubs of a housing of the compressor |
| 02/11/1997 | US5600886 Method of making vortex flow blower and vane wheel therefor |
| 01/07/1997 | US5591000 Compressor unit |
| 12/24/1996 | US5586725 Device for producing an air stream having a flattened shape in transverse section |
| 12/17/1996 | US5584653 Device for reducing the generation of noise in fans |
| 12/11/1996 | EP0746686A1 Regenerative pump |
| 12/04/1996 | EP0745469A1 Apparatus for manufacturing a rotationally symmetrical moulded element |
| 11/26/1996 | US5577881 High performance turbomolecular vacuum pumps |
| 11/14/1996 | DE19516276A1 Side channel blower |
| 10/29/1996 | US5569023 Vortex blower |
| 09/18/1996 | EP0732511A1 Blower muffling apparatus |
| 08/15/1996 | WO1996024772A1 An air movement apparatus |
| 08/15/1996 | CA2212361A1 An air movement apparatus |
| 07/25/1996 | DE19519873C1 Injection mould for prodn. of components with inclined chambers in each face |
| 07/17/1996 | EP0722045A1 Compressor assembly |
| 07/16/1996 | US5536139 Vortex flow blower having blades each formed by curved surface |
| 06/26/1996 | EP0718502A1 Side channel compressor |
| 06/26/1996 | CN1125427A Grooved disk apparatus |
| 06/18/1996 | US5527150 Regenerative pumps |
| 06/18/1996 | US5527149 Extended range regenerative pump with modified impeller and/or housing |
| 06/18/1996 | US5527148 Regenerative compressor with annular cover part |
| 05/29/1996 | EP0713975A1 Side-channel compressor |
| 05/08/1996 | EP0537146B1 Rotary disc pump |
| 04/24/1996 | EP0708248A2 Side channel compressor |
| 03/27/1996 | EP0667933B1 Compressor set |
| 03/20/1996 | EP0701528A1 Grooved disk apparatus |
| 03/19/1996 | US5499900 Vortex flow blower |
| 03/12/1996 | US5498125 High performance turbomolecular vacuum pumps |
| 02/13/1996 | US5490761 High performance turbomolecular vacuum pumps |
| 01/30/1996 | US5487639 Vortex flow blower and vane wheel therefor |
| 01/09/1996 | US5482430 High performance turbomolecular vacuum pumps |
| 12/04/1995 | CA2149082A1 Extended range regenerative pump |
| 10/19/1995 | DE4414627A1 Blower generating dirt laden air stream for sweeping machine |
| 08/23/1995 | EP0667933A1 Compressor set. |
| 08/02/1995 | EP0646728A4 Vortex compressor. |
| 07/25/1995 | US5435692 Pumps |
| 06/14/1995 | DE4342405A1 Delivery blower for high density bulk goods |
| 06/07/1995 | EP0656480A1 Side channel compressor |
| 05/17/1995 | EP0653157A1 Device to produce an air flow having a flattened cross section |
| 05/10/1995 | EP0746686A4 Regenerative pump |
| 04/13/1995 | DE4421604C1 Side-passage compressor |
| 04/05/1995 | EP0646728A1 Vortex compressor |
| 04/04/1995 | US5402876 Apparatus and method for transporting and metering particulate materials into fluid pressure |
| 03/15/1995 | EP0576449B1 Regenerative compressor |
| 03/09/1995 | DE4424629C1 Side-passage compressor |
| 03/07/1995 | US5395210 Vortex flow blower having blades each formed by curved surface and method of manufacturing the same |
| 02/15/1995 | EP0638724A1 Vortex blower |
| 02/01/1995 | EP0636792A1 Regenerative pump control |
| 02/01/1995 | EP0636791A1 Regenerative pump control |
| 01/17/1995 | US5381886 Apparatus and method with improved drive force capability for transporting and metering particulate material |
| 12/22/1994 | WO1994029202A1 Grooved disk apparatus |
| 12/20/1994 | US5374160 High performance turbomolecular vacuum pumps |
| 12/14/1994 | CN2185339Y Gas suspended ceramic low-temp. turbine expansion engine |
| 11/15/1994 | US5364228 Turbine for gas compression |
| 11/15/1994 | US5363778 High efficiency exhauster for a solid fuel pulverizing and firing system |
| 10/27/1994 | WO1994024488A1 A high efficiency exhauster for a solid fuel pulverizing and firing system |
| 10/25/1994 | US5358373 High performance turbomolecular vacuum pumps |
| 10/18/1994 | US5355993 Grooved disk drive apparatus and method for transporting and metering particulate material |
| 09/27/1994 | US5350274 Self-cleaning side channel machine having at least one impeller rotatably mounted in the housing of the machine |
| 09/27/1994 | CA2003737C Side channel blower |
| 09/06/1994 | US5344281 Rotary vortex machine |
| 08/31/1994 | EP0612923A1 Vortex flow blower and vane wheel therefor |
| 08/03/1994 | EP0608444A1 Toric pump |
| 07/07/1994 | WO1994015101A1 Vortex compressor |