| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 07/31/1996 | CN1127847A Control device for hydraulic pump |
| 07/30/1996 | US5540555 Real time remote sensing pressure control system using periodically sampled remote sensors |
| 07/26/1996 | CA2135156A1 Eagle water circulating back-up system |
| 07/23/1996 | US5538396 Hydraulic pressure booster device |
| 07/21/1996 | CA2140721A1 Frost proof water system |
| 07/17/1996 | CN1126957A Readily installed universal sewage grinder pump |
| 07/11/1996 | DE4444890A1 Centrifugal pump with one suction and two delivery branches |
| 07/10/1996 | CN1126280A Pump and over-center snap link |
| 07/02/1996 | US5531571 Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby |
| 06/27/1996 | DE4446623A1 Propellerverstelleinrichtung mit Synchronelement Propeller Pitch with synchronous element |
| 06/27/1996 | DE4446622A1 Verstellpropeller mit darin angeordnetem Verstellmechanismus With variable pitch adjustment mechanism disposed therein |
| 06/27/1996 | DE4446621A1 Frequenzgeregelter Stellmotor Frequency-controlled servomotor |
| 06/26/1996 | EP0718501A1 Multicellular electric centrifugal pump |
| 06/20/1996 | WO1996018821A1 Pump case |
| 06/20/1996 | DE4444966A1 Pumpengehäuse Pump housing |
| 06/20/1996 | DE4444704A1 Motor driven pump for fuel |
| 06/19/1996 | CN1124825A Directional changeover pump |
| 06/12/1996 | EP0715692A1 Pump-protecting valve |
| 06/11/1996 | US5525039 Hermetically sealed magnetic drive pump |
| 06/04/1996 | US5522707 Variable frequency drive system for fluid delivery system |
| 06/04/1996 | CA2007598C Reversible turbine pump |
| 05/28/1996 | US5520510 Mechanism for preventing back-flow for pump discharge pipes |
| 05/15/1996 | EP0711920A1 Liquid flow apparatus |
| 05/09/1996 | DE4438585A1 Indicating unit for indicating direction of rotation and operating condition of pump |
| 05/08/1996 | EP0711019A1 Canned pump |
| 05/02/1996 | DE4438705A1 Automatically operating shut=off valve for centrifugal pump |
| 05/02/1996 | DE4438249A1 Fuel supply unit for supplying fuel from tank to IC engine |
| 05/02/1996 | DE4438142A1 Plaster/mortar conveyor equipment |
| 05/01/1996 | EP0709607A2 Pump and over-center snap link |
| 05/01/1996 | EP0709575A1 Liquid supply system |
| 04/30/1996 | CA2035080C Pump monitor |
| 04/25/1996 | DE19539162A1 Pump wheel assembly of closed type for vehicle cooling systems |
| 04/25/1996 | DE19538836A1 Nuclear reactor coolant circulation pump |
| 04/24/1996 | EP0708247A1 Centrifugal pump with permanent-magnet motor |
| 04/23/1996 | US5509791 Variable delivery pump for molten metal |
| 04/17/1996 | EP0707148A1 Pump |
| 04/11/1996 | DE4435883A1 Motor vehicle IC engine fuel supply system |
| 04/09/1996 | US5505640 Propulsion system for ships |
| 04/03/1996 | EP0704963A2 Modulation control type of AC machine |
| 04/03/1996 | CN1119706A 供水系统 Water supply system |
| 03/27/1996 | CN1119249A Rotary machine controller and control method thereof |
| 03/26/1996 | CA2036339C Emergency light and sump pump operating device for dwelling |
| 03/14/1996 | DE4432224A1 Method to improve suction efficiency of flow demand pump |
| 03/12/1996 | US5498105 Drainage water pumping station and method for operating the same |
| 03/12/1996 | US5497801 Flow control valve |
| 03/06/1996 | CN1118042A Gathering line follow-up control metering delivery pump-group |
| 02/28/1996 | CN2221118Y Automatic breaker for pumping motor in short of water |
| 02/15/1996 | DE4427737A1 Pump with drive motor for conveying rainwater or mixing or cooling water or other fluid medium |
| 02/14/1996 | EP0696842A1 Inverter for pumps and a pump unit therewith |
| 02/14/1996 | EP0515618B1 Double membrane anti-overflow device for electric pumps of windshield washers |
| 02/07/1996 | EP0695222A1 Readily installed universal sewage grinder pump |
| 01/31/1996 | EP0694698A1 Centrifugal pump |
| 01/30/1996 | US5487621 Large-depth underground drainage facility and method of running same |
| 01/24/1996 | CN2218266Y Water pump safety protection sensor |
| 01/23/1996 | US5486089 Directional changeover pump |
| 01/23/1996 | US5485909 Apparatus with improved inlet and method for transporting and metering particulate material |
| 01/16/1996 | US5484265 Excess temperature and starting safety device in pumps having permanent magnet couplings |
| 01/11/1996 | WO1996000853A1 Pump-protecting valve |
| 01/11/1996 | CA2170747A1 Pump-protecting valve |
| 01/04/1996 | DE4422749A1 Pumpenschutzventil Pump protection valve |
| 01/02/1996 | US5480289 Connector and mounting arrangement for a windshield washer pump |
| 12/21/1995 | WO1996034206A1 A safety pumping system |
| 12/20/1995 | EP0687779A1 Method for pumping drainage water from a pumping station into a discharge water flow destination |
| 12/13/1995 | CN2215040Y Numerically controlled reverse osmosis pump |
| 12/06/1995 | CN2214551Y Photoelectric protection sensor |
| 12/05/1995 | US5472321 For an internal combustion engine |
| 11/30/1995 | DE4418721A1 Control process for domestic dishwasher pump |
| 11/30/1995 | DE4418153A1 Centrifugal fluid delivery pump |
| 11/22/1995 | EP0683095A1 Propulsion system for ships |
| 11/22/1995 | CN2213245Y Booster pump for high level water tank |
| 11/15/1995 | EP0621964B1 Device for regulating the flow rate of a centrifugal pump in a closed network of pipes |
| 11/14/1995 | US5466995 Zoning circulator controller |
| 11/14/1995 | US5466127 Device for switching a submersible motor-driven pump on and off |
| 11/09/1995 | WO1995030092A1 Self-priming, multi-stage centrifugal pump |
| 11/09/1995 | DE4415157A1 Selbstansaugende mehrstufige Kreiselpumpe Self-priming multistage centrifugal pump |
| 11/09/1995 | DE19515094A1 Shaft sealing for chemical pump |
| 11/08/1995 | CN2212098Y Automatic switch for pipe pump |
| 11/08/1995 | CN2212097Y Fully automatic controller for household clean water pump |
| 10/12/1995 | DE4447227A1 Kondensatpumpe für einen Wäschetrockner Condensate pump for a tumble dryer |
| 10/10/1995 | US5456115 Method of counterflow through a pump and method of controlling the operation of a pump in a pumping installation |
| 10/05/1995 | DE4410800A1 Rotation direction and status indicator for pumps |
| 10/03/1995 | US5454697 Electrically operated pump assembly with an externally installed control circuit |
| 09/27/1995 | CN2208626Y Fully automatic pipe booster pump |
| 09/20/1995 | EP0672886A2 Monitoring system for detecting axial and radial movement |
| 09/20/1995 | EP0672833A2 High speed whirlpool pump |
| 09/14/1995 | DE4408380A1 Rotary piston pump esp. for vehicle windscreen washer |
| 09/13/1995 | CN1029754C Industrial pump with function of preventing hydraulic ram shock |
| 09/13/1995 | CN1029753C Changeable operating mode submersible pump |
| 09/12/1995 | US5449274 Sump system having timed switching of plural pumps |
| 09/06/1995 | CN2206848Y Automatic controllor for pressure pump |
| 08/30/1995 | EP0668969A1 Sludger. |
| 08/30/1995 | EP0668968A1 Apparatus for pumping a slurry. |
| 08/22/1995 | US5443207 Integrated zoning circulator |
| 08/08/1995 | US5439180 Readily installed universal sewage grinder pump |
| 08/02/1995 | CN2204345Y Oil-pressure safety device |
| 08/01/1995 | US5437539 Apparatus for the dynamic control of rotating stall and surge in turbo machines and the like |
| 07/26/1995 | EP0664399A1 Pump assembly |
| 07/26/1995 | EP0664398A1 Centrifugal pump with backflow prevention valve |
| 07/26/1995 | CN2204008Y Automatic control instrument for energy saving in pump station |
| 07/25/1995 | US5435692 Pumps |