| 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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| 08/28/1985 | EP0153066A1 Dual-entry centrifugal compressor |
| 07/23/1985 | US4530639 Dual-entry centrifugal compressor |
| 06/25/1985 | CA1189492A1 Diaphragm construction for a multi-stage compressor |
| 06/18/1985 | US4523896 Centrifugal compressor |
| 06/04/1985 | CA1188153A1 Full admission pitot pump |
| 04/23/1985 | US4512725 Rotary vacuum pump |
| 04/02/1985 | US4508022 Ceiling air outlet |
| 03/27/1985 | EP0134834A1 Cross-flow fan |
| 03/05/1985 | US4502837 Multi stage centrifugal impeller |
| 02/13/1985 | EP0132793A1 Transverse fan |
| 02/13/1985 | EP0132780A1 Transverse flow fan with increased exit flow velocity in the region of the side walls |
| 01/22/1985 | US4494908 Tangential blower |
| 01/15/1985 | US4493611 Horizontally split casing of turbo machine |
| 08/28/1984 | CA1173307A1 Method of depositing metal coatings on the wall of chill moulds |
| 08/07/1984 | CA1172219A1 Vortex generator for centrifugal fans |
| 07/31/1984 | US4462750 Electric fan assembly |
| 07/17/1984 | CA1171044A1 Tangential blower |
| 07/10/1984 | US4458666 Warm air blow-out device for box-shaped stove |
| 06/26/1984 | US4456435 Scroll type fluid displacement apparatus |
| 05/29/1984 | US4450755 Air blower arrangement for producing air screen and related method |
| 04/11/1984 | EP0105140A2 Shaft seal |
| 03/20/1984 | CA1163968A1 Power-driven centrifugal air blower |
| 02/21/1984 | US4432694 Blower |
| 02/01/1984 | EP0099615A2 Centrifugal fan with flow control |
| 01/31/1984 | US4428715 Multi-stage centrifugal compressor |
| 01/10/1984 | CA1160190A1 Centrifugal vapor compressor and a method of setting a maximum throttling position thereof |
| 12/27/1983 | US4422822 Rotating fiber array molecular driver and molecular momentum transfer device constructed therewith |
| 12/06/1983 | US4419049 Low noise centrifugal blower |
| 11/08/1983 | US4413946 Vented compressor inlet guide |
| 09/27/1983 | US4406585 Impeller assembly for a blower mechanism |
| 09/13/1983 | US4404232 Method of depositing metal coating layers containing particles on the walls of chill moulds |
| 08/24/1983 | EP0086460A1 High vacuum rotary pump |
| 08/02/1983 | CA1151007A1 Case construction for multi-stage pump |
| 07/19/1983 | CA1150208A1 Two-stage turbo compressor |
| 06/08/1983 | EP0080606A1 Ceiling air outlet |
| 06/01/1983 | EP0080251A1 Multi-stage centrifugal compressor |
| 05/31/1983 | USRE31259 Two-stage turbo compressor |
| 04/05/1983 | CA1144125A1 Multi-stage centrifugal compressor |
| 03/08/1983 | US4375939 Capacity-prewhirl control mechanism |
| 02/08/1983 | US4372409 Cross-flow fan for transverse engine vehicle |
| 02/01/1983 | US4371313 Miniature diagonal blower with axial flow inlet and radial flow outlet |
| 12/29/1982 | EP0067884A1 A fluid deflecting arrangement |
| 10/26/1982 | US4355951 Full admission pitot pump |
| 10/05/1982 | CA1132953A1 Regenerative rotodynamic machines |
| 08/31/1982 | US4347033 Concrete pump and method of using same |
| 07/28/1982 | EP0056483A1 Electric cross-flow fan assembly |
| 07/08/1982 | WO1982002228A1 Flow direction control device |
| 06/15/1982 | US4334821 Regenerative rotodynamic machines |
| 06/01/1982 | US4332522 Hard vacuum pump |
| 05/12/1982 | EP0051178A1 Assembly and disassembly methods and apparatus |
| 05/04/1982 | US4327869 Fluid deflecting assembly |
| 04/21/1982 | EP0049881A1 Scroll type fluid displacement apparatus with compression modifying means |
| 02/03/1982 | EP0045087A1 Cross-flow fan for transverse engine vehicle |
| 01/19/1982 | US4311025 Gas compression system |
| 01/13/1982 | EP0043701A2 Capacity control for a scroll-type fluid displacement apparatus |
| 01/06/1982 | EP0043017A1 Guide vanes variation means for a radial compressor |
| 12/22/1981 | US4306833 Regenerative rotodynamic machines |
| 12/08/1981 | US4304104 Pitot heat pump |
| 12/01/1981 | US4303375 Closable vane turbine ventilator |
| 10/27/1981 | CA1111312A1 Turbine pump |
| 07/28/1981 | US4280791 Bi-directional pump-turbine |
| 07/07/1981 | US4277223 Case construction for multi-stage pump |
| 06/30/1981 | CA1104103A1 Fans or the like |
| 06/10/1981 | EP0029895A1 Improved case construction for multi-stage pump |
| 05/26/1981 | US4269571 Blowing apparatus |
| 03/10/1981 | US4255081 Centrifugal pump |
| 03/10/1981 | US4255080 Fans or the like |
| 02/17/1981 | US4251183 Crossover duct assembly |
| 02/11/1981 | EP0023784A1 Power-driven centrifugal air blower |
| 01/22/1981 | WO1981000139A1 Multi-stage centrifugal compressor |
| 01/20/1981 | US4245965 Gas-handling apparatus |
| 01/07/1981 | EP0021709A1 Multi stage centrifugal compressor and its application to a turbine |
| 01/07/1981 | EP0021435A1 Air-powered motor and a rotor therefor |
| 11/18/1980 | US4234290 Turbine pump |
| 11/04/1980 | US4231702 Two-stage turbo compressor |
| 10/15/1980 | EP0016834A1 Oil free gas compressor |
| 09/23/1980 | US4224010 Multistage turbocompressor with diagonal-flow impellers |
| 08/26/1980 | US4219306 Multistage turbocompressor with multiple shafts |
| 08/19/1980 | US4218176 Fluid propulsion apparatus |
| 07/22/1980 | CA1082150A1 Turbine-compressor unit with means for preventing oil leakage |
| 07/08/1980 | US4211514 Mixed flow fan |
| 06/11/1980 | EP0011983A1 Regenerative rotodynamic machines |
| 06/11/1980 | EP0011982A1 Regenerative rotodynamic machines |
| 05/13/1980 | CA1077449A1 Ventilating suction and exhaust fan device of plate type |
| 04/03/1980 | WO1980000594A1 Oil free gas compressor |
| 11/27/1979 | CA1067051A1 Thermodynamic compressor |
| 10/16/1979 | US4171182 Extractor pump for fluids under vacuum |
| 09/18/1979 | CA1062544A1 Turbine engine and pump |
| 05/22/1979 | US4155684 Two-stage exhaust-gas turbocharger |
| 03/21/1979 | EP0001129A1 Cross-flow fan for use under high-temperature conditions. |
| 01/09/1979 | CA1046030A1 Ventilating suction and exhaust fan device of sirocco type |
| 12/19/1978 | CA1044472A1 Gas turbine driven high speed centrifugal compressor unit |
| 11/14/1978 | US4125345 Turbo-fluid device |
| 08/29/1978 | US4110065 Cock apparatus of automatic ignition type for gas appliance |
| 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 |
| 05/30/1978 | US4092088 Centrifugal fan enclosure |
| 05/02/1978 | US4087200 Stator of multistage centrifugal compressor |
| 04/04/1978 | US4082477 Compressor having two or more stages |