| Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127) |
|---|
| 03/10/1981 | US4255089 Method of controlling series fans driving a variable load |
| 02/10/1981 | CA1095441A1 Brake mechanism |
| 01/20/1981 | US4245965 Gas-handling apparatus |
| 01/13/1981 | CA1093517A1 Box fans |
| 01/07/1981 | EP0021459A1 Turbinedriven turbocompressor |
| 01/07/1981 | EP0020814A1 Wet pick-up vacuum unit |
| 01/07/1981 | EP0020441A1 Hairdryers. |
| 01/06/1981 | US4243892 Energy-efficient fluid medium pumping system |
| 01/06/1981 | CA1093041A1 Gas compressor train for wet air oxidation |
| 12/30/1980 | US4242055 Attic fans and apparatus for supporting the drive motors of attic fans |
| 12/16/1980 | US4239459 Fan with adjustable legs for improving building heating and cooling |
| 12/09/1980 | US4237698 Motor cooling system for refrigeration machine |
| 11/27/1980 | WO1980002542A1 Turbo-generator for a rotary wing helicopter |
| 10/29/1980 | EP0017869A1 Pivotally mounted fan |
| 10/15/1980 | EP0016834A1 Oil free gas compressor |
| 10/07/1980 | US4226575 Wet pick-up vacuum unit |
| 09/23/1980 | US4224010 Multistage turbocompressor with diagonal-flow impellers |
| 09/16/1980 | US4222318 Combination window and floor fan |
| 09/09/1980 | US4221546 Axial fan |
| 08/26/1980 | US4219306 Multistage turbocompressor with multiple shafts |
| 08/19/1980 | US4217816 Ventilating fans |
| 08/19/1980 | CA1084017A1 Auxiliary compressor assembly |
| 07/22/1980 | US4213307 Oil separation and return system for centrifugal refrigerant compressors |
| 07/01/1980 | US4210835 Fan with a cooled motor |
| 07/01/1980 | US4210833 Motor-fan unit with cooled motor |
| 05/20/1980 | US4203704 Electric fan and especially a fan of the flat type |
| 05/14/1980 | EP0010795A1 Supporting and centering device for the motor-fan unit of a blower |
| 05/13/1980 | CA1077449A1 Ventilating suction and exhaust fan device of plate type |
| 05/01/1980 | WO1980000783A1 Hairdryers |
| 04/22/1980 | US4199305 Hydraulic Gerotor motor with balancing grooves and seal pressure relief |
| 04/16/1980 | EP0009969A1 Drive system for the fan of a refrigeration system |
| 04/15/1980 | CA1075651A1 Motor compressor tank, more particularly for isotopic separation by a gaseous diffusion system |
| 04/03/1980 | WO1980000594A1 Oil free gas compressor |
| 04/01/1980 | US4195717 Clutch and brake mechanism |
| 03/19/1980 | EP0008616A1 Turbocompressor |
| 02/19/1980 | US4189284 Slipping clutch mechanism |
| 01/22/1980 | US4184804 Rotary electric machine having a cooling fan |
| 01/22/1980 | CA1070348A1 Wet pick-up vacuum unit motor bearing air seal |
| 01/01/1980 | US4181466 Centrifugal compressor and cover |
| 12/25/1979 | US4180376 Electric fan |
| 11/13/1979 | CA1066150A1 Fan shroud |
| 10/18/1979 | WO1979000782A1 Motor pump with impeller rotor |
| 10/16/1979 | CA1064209A1 Fluid exhausting device |
| 10/02/1979 | US4169693 Fluid coupling device and fan mounting arrangement |
| 09/25/1979 | US4169098 Process for utilization of the reaction heat generated by the catalytic oxidation of o-xylene |
| 09/18/1979 | CA1062672A1 Electric blower assembly |
| 08/14/1979 | US4164690 Compact miniature fan |
| 07/17/1979 | CA1058609A2 Heat exchanging assembly for gas compressor |
| 05/15/1979 | CA1054431A1 Kitchen ventilator having a valve for adjustment between evacuation and recirculation |
| 05/08/1979 | US4153389 Fan-fan drive assembly |
| 05/01/1979 | US4152093 Tank and a motorized compressor |
| 04/10/1979 | CA1052343A1 Gas compressor |
| 03/06/1979 | US4142844 Fan blade assemblies for box fans |
| 03/06/1979 | CA1049985A1 Ventilation fan (ventilation system) |
| 01/09/1979 | CA1046030A1 Ventilating suction and exhaust fan device of sirocco type |
| 01/09/1979 | CA1045886A1 Kitchen ventilator |
| 01/09/1979 | CA1045885A1 Kitchen ventilator having a downwardly directed air curtain |
| 01/02/1979 | US4132507 Blowing apparatus |
| 12/26/1978 | US4131156 Fan shroud |
| 12/26/1978 | US4131060 Self-closing exhaust fan cover |
| 12/19/1978 | US4130770 Axial flow fan having improved axial length structure |
| 12/19/1978 | CA1044472A1 Gas turbine driven high speed centrifugal compressor unit |
| 12/12/1978 | US4129426 Device for cleaning workshop air |
| 12/05/1978 | US4128364 Radial flow fan with motor cooling and resilient support of rotor shaft |
| 11/14/1978 | US4125345 Turbo-fluid device |
| 10/31/1978 | US4123197 Fan with air directing grille |
| 10/17/1978 | US4120616 Vacuum cleaner-blower assembly with sound absorbing arrangement |
| 10/17/1978 | US4120615 Box fans |
| 10/17/1978 | US4120410 Apparatus for the supply of fuel powder to a gas-pressurized vessel |
| 10/17/1978 | US4120169 Multiphasic pump for rotating cryogenic machinery |
| 10/17/1978 | CA1040417A1 Hair dryer hood with fan and duct |
| 09/05/1978 | US4111615 Fluid exhausting device |
| 08/22/1978 | US4108580 Attic fans |
| 08/22/1978 | CA1036809A1 Portable motor-driven fans |
| 08/08/1978 | US4105372 Fluid rotary machine |
| 07/25/1978 | US4102597 Ventilating suction and exhaust fan device of plate type |
| 07/25/1978 | US4102596 Ventilating suction and exhaust fan device of sirocco type |
| 05/23/1978 | US4090815 High vacuum pump |
| 05/09/1978 | US4088424 Wet pick-up vacuum unit motor bearing air seal |
| 05/02/1978 | US4087197 Gas compressor, and for use with a gas compressor: gear housing and gas-handling assembly, and heat exchanging assembly |
| 04/25/1978 | US4086028 Turbine ventilators and method of manufacture |
| 04/25/1978 | US4086019 Transmission means for centrifugal compressors |
| 04/18/1978 | US4084491 Oscillated louver assembly for breeze box fan |
| 04/11/1978 | US4083362 Kitchen ventilator having a downwardly directed air curtain |
| 04/11/1978 | US4083361 Kitchen ventilator having a valve for adjustment between evacuation and recirculation |
| 02/14/1978 | US4073598 Ceiling fan |
| 02/14/1978 | US4073224 Ventilators |
| 12/27/1977 | US4065233 Electric blower assembly having volute passages to direct air into motor housing |
| 11/29/1977 | US4059958 Automotive engine exhaust -- clean air system |
| 11/08/1977 | US4057372 Aerator |
| 11/08/1977 | US4057371 Gas turbine driven high speed centrifugal compressor unit |
| 11/08/1977 | US4057370 Electric blower assembly |
| 09/13/1977 | US4047848 Centrifugal compressors |
| 08/30/1977 | US4045147 Tiltable wind machine for use on variable terrain |
| 08/30/1977 | US4044570 Refrigerator |
| 06/28/1977 | US4032312 Refrigeration efficiency |
| 05/17/1977 | US4023946 Rectification system for the separation of fluids |
| 05/10/1977 | US4022074 Cooling device |
| 03/01/1977 | US4010016 Gas compressor |
| 02/22/1977 | US4008983 Tip turbine inflating device with motor-actuated closure at inlet |