| Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127) |
|---|
| 02/08/1977 | US4007390 Brushless D-C motor |
| 02/08/1977 | US4006672 Ventilation fan (ventilation system) |
| 01/25/1977 | US4004864 Method for modifying a compressing apparatus unit |
| 12/28/1976 | US3999897 Pump supported by a fluid-isolated, liquid-lubricated thrust bearing |
| 11/23/1976 | US3993415 Fan with fluid friction clutch |
| 11/02/1976 | US3988897 Apparatus for storing and re-utilizing electrical energy produced in an electric power-supply network |
| 08/31/1976 | US3977311 Louver fan assembly |
| 08/31/1976 | US3977260 Means for adjusting the movement of moving head fans |
| 08/24/1976 | US3976165 Lubricating and oil seal system for a high speed compressor |
| 08/10/1976 | US3973657 Variable speed fan for heat exchangers |
| 07/13/1976 | US3968652 Apparatus responsive to solar energy for producing power |
| 06/29/1976 | US3966362 Process air compression system |
| 06/08/1976 | US3961864 Radial flow fan |
| 06/01/1976 | US3960464 Improvements in and relating to fans |
| 04/27/1976 | US3953710 Compact portable hair dryer |
| 04/27/1976 | US3953147 Fluid dynamic machine |
| 04/13/1976 | US3950112 Fluid moving devices with modular chamber-forming means and multiple outlets |
| 04/06/1976 | US3948235 System for utilizing waste heat of an internal combustion engine |
| 03/30/1976 | US3946565 Intercooler fan and compressor construction |
| 03/23/1976 | US3945769 Self-oscillating fan |
| 03/09/1976 | US3942908 Gas turbine driven high speed centrifugal compressor unit |
| 03/09/1976 | US3942422 Roof ventilator |
| 03/02/1976 | US3941506 Rotor assembly |
| 01/27/1976 | US3934424 Refrigerant expander compressor |
| 01/20/1976 | US3933416 Hermatically sealed motor blower unit with stator inside hollow armature |
| 01/13/1976 | US3932159 For high pressure refrigerant |
| 01/13/1976 | US3932070 Electric motor fan unit for wet working air |