| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 07/19/1995 | EP0663553A1 Water distribution system |
| 07/12/1995 | CN2203368Y Automatic pressure self-priming pump |
| 07/05/1995 | EP0661793A1 Motor pump assembly |
| 07/05/1995 | EP0661425A1 Turbo pump and supply system with a pump |
| 06/14/1995 | EP0657651A1 Pump |
| 06/07/1995 | CN1103466A NC serial operating mode change pump |
| 06/01/1995 | WO1995014877A1 Minimum output valve |
| 05/10/1995 | EP0652374A1 System for controlling operation of turbo type fluid machinery |
| 05/02/1995 | CA2054556C High speed whirlpool pump |
| 04/25/1995 | US5408708 Flow-control for a pump |
| 04/19/1995 | EP0648937A1 Fluid machine with induction motor |
| 04/19/1995 | EP0648936A1 Motor pump group and method of manufacturing the same |
| 04/19/1995 | EP0648935A1 Device for the steadystate extraction of a liquid or pasty phase to a final pressure higher than the initial one |
| 04/18/1995 | US5408225 Misalignment sensing probe and switch |
| 04/13/1995 | WO1995009981A1 Soft-start pump control system |
| 04/13/1995 | DE4334344A1 Rotary pump |
| 04/12/1995 | EP0647581A1 Screw conveyor for bulk materials |
| 04/11/1995 | US5405251 Oscillating centrifugal pump |
| 03/23/1995 | DE4331815A1 Pump test bench for fire-fighting centrifugal pumps |
| 03/22/1995 | EP0644472A2 Method for prediction of performance of a centrifugal pump with a thrust balance mechanism |
| 03/22/1995 | EP0644333A2 Pump control system |
| 03/15/1995 | EP0643245A1 Flow control valve |
| 03/09/1995 | WO1995006610A1 Transporting and metering particulate material |
| 02/28/1995 | US5393202 Process and device for optimizing the transfer by pumping of multiphase effluents |
| 02/22/1995 | EP0639716A1 Device for sewage pumping stations |
| 02/22/1995 | EP0639715A1 Device for the supply of liquid |
| 02/08/1995 | CN2189223Y Over-pressure protective device |
| 02/08/1995 | CN2189222Y Numerical controlled two direction pump |
| 02/08/1995 | CN1098481A Protective device for pump |
| 02/01/1995 | EP0636792A1 Regenerative pump control |
| 02/01/1995 | EP0636791A1 Regenerative pump control |
| 01/31/1995 | US5385581 Magnetically suspended and rotated rotor |
| 01/26/1995 | WO1995002791A1 Integrated zoning circulator |
| 01/24/1995 | US5383351 For fluid handling machines |
| 01/19/1995 | WO1995002126A1 Pump controller |
| 01/12/1995 | DE4423736A1 Method for regulating the power of a centrifugally operating machine which is driven by an electric motor |
| 01/11/1995 | EP0633650A1 Synchronous electric motor |
| 01/11/1995 | EP0511352B1 Pump for windshield washer provided with level sensing device |
| 01/10/1995 | US5380158 Apparatus and method for holding a sump pump |
| 12/21/1994 | EP0629778A2 Regulating device for screw-type compressors |
| 12/21/1994 | EP0506898B1 Apparatus for measuring the change of position of a rotor |
| 12/17/1994 | CA2121763A1 Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby |
| 12/15/1994 | DE4312150A1 Method for setting the delivery capacity (pumping capacity, pump horsepower) of a liquid recirculation pump (recirculating pump, return pump) |
| 12/07/1994 | CN1096081A Protector of pump |
| 12/01/1994 | DE4317529A1 Pump protection slide |
| 11/24/1994 | WO1994026416A1 Readily installed universal sewage grinder pump |
| 11/17/1994 | EP0624742A1 Shaft passage sealing with a barrier fluid |
| 11/09/1994 | EP0623751A1 Pump with back flow hindering device |
| 11/08/1994 | CA2020835C Balance piston and seal arrangement |
| 11/01/1994 | US5360290 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
| 11/01/1994 | US5360289 Drainage water pumping station and method for operating the same |
| 10/13/1994 | DE4412003A1 Verfahren zum Herstellen einer Brennstoffpumpe für Kraftfahrzeuge A method of manufacturing a fuel pump for motor vehicles |
| 10/13/1994 | DE4320422A1 Return flow check device for pump discharge pipes - has pipe outlet above max. fluid level, and bell-shaped hood over it, with edge at min. fluid level |
| 10/12/1994 | EP0619432A1 Installation with at least one pump for liquids |
| 10/12/1994 | EP0619431A1 Pump system and method for operating the same |
| 10/12/1994 | EP0619001A1 Centrifugal pump with adaptor for various valves. |
| 10/08/1994 | CA2120225A1 Automotive fuel pump having modular construction |
| 10/06/1994 | DE4330507C1 Flap switchover device for the discharge side of a twin pump |
| 10/05/1994 | EP0618370A2 Electrically driven liquid pump |
| 09/28/1994 | CN2178294Y Dewatering protector for submersible pump |
| 09/13/1994 | US5346458 Electrohydraulic energy converter for cardiac assist devices and artificial hearts |
| 09/13/1994 | CA2054380C Liquid level control with capacitive sensors |
| 09/06/1994 | US5344293 Double diaphragm leakproof sealing device for electric windscreen washer pumps |
| 09/06/1994 | US5343890 Sump protector |
| 08/18/1994 | DE4304634A1 Pump filter |
| 08/17/1994 | EP0610866A1 Centrifugal pump with two outlet channels and a change-over valve |
| 08/17/1994 | EP0610766A1 Pump assembly with an adjustable speed motor |
| 08/17/1994 | EP0610562A1 Excess temperature and start safety device in pumps comprising permanent magnetic clutches |
| 08/16/1994 | CA2089512A1 Buoyant pump assembly |
| 08/11/1994 | DE4403154A1 Water-discharge installation arranged at a considerable depth beneath the ground, and method of operating the installation |
| 08/10/1994 | CA2111434A1 Excess temperature and starting safety device in pumps having permanent magnet couplings |
| 08/09/1994 | US5336996 Hall effect monitoring of wear of bearing supporting a rotor within a stationary housing |
| 08/09/1994 | US5335577 Method and apparatus for preventing hazardous explosion of ammonium nitrate |
| 07/26/1994 | US5332374 Axially coupled flat magnetic pump |
| 07/26/1994 | US5332064 Control apparatus for lubrication pump |
| 07/13/1994 | EP0605771A1 Device for switching on and off a submersible motorpump |
| 07/05/1994 | US5326344 Magnetically suspended and rotated rotor |
| 06/29/1994 | EP0604390A2 Method for feeding a multiple pressure steam generator and feed pump |
| 06/29/1994 | EP0603524A1 Fuel pump |
| 06/28/1994 | US5324171 Pump assembly including a hermetically sealed switch capsule for housing a magnetically actuated switch |
| 06/23/1994 | DE4243118A1 Maintaining constant press. in hydraulic system |
| 06/21/1994 | CA1330365C Apparatus and method for controlling operation of storm sewage pump |
| 06/08/1994 | CN2168105Y Protecting device for water-pumping machine |
| 06/01/1994 | CN2167224Y Automatic pressure control submersible pump |
| 06/01/1994 | CN2167223Y Protection means for pumping system |
| 05/25/1994 | EP0598421A1 A bearing assembly |
| 05/24/1994 | US5314313 Water-sensing alarm for water-control systems |
| 05/24/1994 | CA1329730C Power recovery pump turbine |
| 05/17/1994 | US5312225 Axially thrust-compensated turbo machine |
| 05/11/1994 | WO1994010489A1 Method and apparatus for monitoring recirculation control system performance |
| 05/11/1994 | WO1994010449A1 Sludger |
| 05/11/1994 | WO1994010448A1 Apparatus for pumping a slurry |
| 05/11/1994 | DE4304150C1 Supply unit for water - comprises self-aspirating motor pump unit to which is connected hydraulic accumulator with inner membrane and control for complete unit |
| 05/11/1994 | CA2147885A1 Method and apparatus for monitoring recirculation control system performance |
| 05/05/1994 | DE4237050A1 Bohrlochpumpe Borehole pump |
| 04/27/1994 | EP0594548A1 A device for providing automatic circulation in a waste water pump |
| 04/27/1994 | EP0593907A1 Device for changing the angular position of the rotor blades of a hydraulic fluid engine |
| 04/27/1994 | CN2163255Y Electric motor automatic protecting and controlling device for deep well submersible pump |
| 04/19/1994 | CA2075131C Pump including secondary containment with alarm system |
| 04/12/1994 | US5303275 Forced-circulation reactor with fluidic-diode-enhanced natural circulation |