| Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780) |
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| 03/26/1996 | US5501010 Method of assembly for a fan |
| 03/20/1996 | CN2222820Y Safety blade for shieldless fan |
| 03/13/1996 | EP0701064A1 Fan and fan drive and method of assembly therefor |
| 03/13/1996 | CN2222253Y Axial flow fan |
| 03/12/1996 | US5498125 High performance turbomolecular vacuum pumps |
| 02/21/1996 | EP0697524A1 Turbomolecular vacuum pump |
| 02/21/1996 | EP0697523A2 Screw fluid machine and screw gear used in the same |
| 02/21/1996 | EP0697069A1 Friction vacuum pump with pump sections of different designs |
| 02/21/1996 | EP0697068A1 Friction vacuum pump with bearing support |
| 02/13/1996 | US5490761 High performance turbomolecular vacuum pumps |
| 02/07/1996 | EP0695873A1 Purge system for vacuum pump with magnetic bearings |
| 02/07/1996 | EP0695872A1 Friction vacuum pump with magnetic bearings |
| 02/06/1996 | US5489186 Housing with recirculation control for use with banded axial-flow fans |
| 01/31/1996 | EP0694699A1 Vacuum pumping apparatus |
| 01/30/1996 | US5487825 Method of producing articles of aluminum, magnesium or titanium with an oxide ceramic layer filled with fluorine polymers |
| 01/24/1996 | CN1115362A Multiple dragging face molecular pump |
| 01/18/1996 | WO1996001373A1 Molecular pump with multiple air suction grooves |
| 01/17/1996 | EP0692636A1 Converging pumping stage for turbomolecular pumps |
| 01/16/1996 | US5484265 Excess temperature and starting safety device in pumps having permanent magnet couplings |
| 01/16/1996 | US5483803 High conductance water pump |
| 01/11/1996 | DE4423447A1 Axial ventilator with motor=driven fan |
| 01/10/1996 | EP0691476A1 Tangential flow pumping channel for turbomolecular pumps |
| 01/10/1996 | EP0691475A2 Fluid rotating apparatus |
| 01/09/1996 | US5482430 High performance turbomolecular vacuum pumps |
| 01/04/1996 | DE19523430A1 Gas leak detector with combined turbo-molecular pump for e.g. compressor or condenser in refrigeration unit |
| 01/03/1996 | EP0690235A2 Method and apparatus for evacuating vacuum system |
| 12/26/1995 | US5478210 Multi-stage vacuum pump |
| 11/15/1995 | EP0640185B1 Gas friction vacuum pump |
| 11/14/1995 | US5466119 Spacer of adjustable thickness |
| 11/08/1995 | EP0680564A1 Axial flow fan |
| 10/11/1995 | CN2209726Y Axial flow fan |
| 10/10/1995 | US5456575 Non-centric improved pumping stage for turbomolecular pumps |
| 10/05/1995 | WO1995026471A1 System including a vacuum pump, measuring device and supply, control, operating and display equipment |
| 10/05/1995 | DE4410903A1 System mit Vakuumpumpe, Meßgerät sowie Versorgungs-, Steuer-, Bedienungs- und Anzeigeeinrichtungen System with vacuum pump, meter and supply, control, monitoring and display |
| 10/04/1995 | EP0675289A1 Drag pump |
| 09/26/1995 | US5452713 Portable ventilator with reversible inlet fitting |
| 09/20/1995 | EP0672222A1 Process and device for reducing the gap between a static part and a movable part. |
| 09/19/1995 | US5451147 Turbo vacuum pump |
| 09/13/1995 | EP0671563A1 Axial-flow pumps |
| 09/12/1995 | US5450316 Electronic process controller having password override |
| 09/12/1995 | US5449276 Two stage vacuum pump having different diameter interengaging rotors |
| 09/12/1995 | US5449270 Tangential flow pumping channel for turbomolecular pumps |
| 08/31/1995 | DE4412193C1 Drive motor unit for cooling fans |
| 08/31/1995 | DE19506849A1 Power supply for magnetic bearing for turbo-molecular pump |
| 08/29/1995 | US5445502 Vacuum pump having parallel kinetic pump inlet section |
| 08/22/1995 | US5443368 Turbomolecular pump with valves and integrated electronic controls |
| 08/17/1995 | DE4404262A1 Air cooler or ventilator shield |
| 08/15/1995 | US5441391 Air propelling apparatus with fan shaft mounted on guards |
| 08/02/1995 | CN1029419C Double-casing mine axial-flow main ventilator |
| 07/26/1995 | EP0664410A1 Magnetic bearing and an assembly composed of a stator and a rotor suspended by such a bearing |
| 07/11/1995 | US5431533 For a rotor supported for rotary motion |
| 07/05/1995 | CN1029255C Multifunctional axial pump with asynchronous electric motor |
| 06/21/1995 | CN2201501Y Mine explosion-proof axial fan |
| 05/31/1995 | CN2199339Y Combined composite material axial flow ventilator |
| 05/23/1995 | US5417551 Housing arrangement for a synchronous plural motor fluid rotary apparatus |
| 05/17/1995 | CN2197489Y High temperature axial flow fan |
| 05/11/1995 | DE4438182A1 Small axial-flow fan |
| 04/20/1995 | WO1995010692A1 Active tip flow bypass in stator vane channel |
| 04/18/1995 | US5407324 Side-vented axial fan and associated fabrication methods |
| 04/05/1995 | EP0646220A1 Gas friction vacuum pump. |
| 03/15/1995 | EP0643227A1 Vacuum pumps |
| 03/09/1995 | WO1995006822A1 Housing with recirculation control for use with banded axial-flow fans |
| 02/14/1995 | US5389888 Synchrotron radiation beam generator |
| 02/07/1995 | US5387090 Two-stage positive displacement pump |
| 02/07/1995 | US5387079 Pumping state turbomolecular pumps |
| 01/18/1995 | EP0633976A1 Mounting of axial turbo-machinery |
| 01/10/1995 | US5380171 Turbo vacuum pump |
| 01/04/1995 | CN2186812Y Axial hot fan for drying room |
| 12/27/1994 | US5376867 Electronic braking device for asynchronous motors |
| 12/20/1994 | US5374173 Fluid rotating apparatus with sealing arrangement |
| 12/20/1994 | US5374160 High performance turbomolecular vacuum pumps |
| 12/08/1994 | WO1994028313A1 Process for operating a friction vacuum pump |
| 11/30/1994 | EP0626684A2 Hydrodynamic pump |
| 11/30/1994 | EP0626516A1 Two stage positive displacement pump |
| 11/10/1994 | WO1994025760A1 Friction vacuum pump with pump sections of different designs |
| 11/10/1994 | WO1994025759A1 Friction vacuum pump with bearing support |
| 10/25/1994 | US5358373 High performance turbomolecular vacuum pumps |
| 10/12/1994 | CN2179477Y Mine explosion-proof axial fan |
| 10/11/1994 | US5354179 Fluid rotating apparatus |
| 10/11/1994 | US5354172 Molecular drag vacuum pump |
| 10/04/1994 | US5352097 Vacuum pump |
| 09/27/1994 | US5350275 Turbomolecular pump having vanes with ceramic and metallic surfaces |
| 09/27/1994 | CA2092727A1 Apparatus for reversing airflow within a duct |
| 09/13/1994 | US5345760 Turboprop booster |
| 09/06/1994 | US5344282 Molecular drag type vacuum pump |
| 09/06/1994 | US5343708 Electronically controlled cryopump |
| 08/30/1994 | US5342173 Cowl for fan and its application to a vehicle motorized fan unit |
| 08/17/1994 | EP0610666A1 Turbomolecular pump |
| 08/17/1994 | EP0610562A1 Excess temperature and start safety device in pumps comprising permanent magnetic clutches |
| 08/10/1994 | CA2111434A1 Excess temperature and starting safety device in pumps having permanent magnet couplings |
| 08/03/1994 | CN1025574C 分子泵 Molecular pump |
| 07/21/1994 | WO1994016228A1 Vacuum pump with a rotor |
| 07/13/1994 | EP0606108A1 Bi-directional axial-flow blower |
| 07/13/1994 | CN2171705Y Obique-flow tunnel ventilater |
| 07/12/1994 | US5328270 Hydrodynamic pump |
| 06/29/1994 | EP0603694A1 Vacuum system |
| 06/29/1994 | CN2170397Y Nitrogen hydrogen compressor |
| 06/15/1994 | EP0600954A1 Pump or compressor unit |
| 05/19/1994 | DE4237972A1 Gas friction vacuum pump |
| 05/18/1994 | EP0597365A1 Vacuumpump with converter |