| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 06/04/2003 | EP0920591B1 Electronic control method for drain pumps used in electrical home appliances |
| 06/04/2003 | CN2554401Y Detection device for water intake of oil-immersed type submersible pump |
| 06/04/2003 | CN2554400Y Automatic controller of submmersible pump |
| 05/29/2003 | US20030099539 Radial pump |
| 05/21/2003 | EP1312803A2 Automatic pump |
| 05/20/2003 | US6565325 Processor based pump control systems |
| 05/20/2003 | US6564627 Determining centrifugal pump suction conditions using non-traditional method |
| 05/15/2003 | US20030091443 Apparatus and method for controlling a pump system |
| 05/14/2003 | EP1310678A1 Radial pump |
| 05/13/2003 | US6561770 Engine water pump with temperature responsive drive |
| 05/08/2003 | US20030088147 Implantable heart assist system and method of applying same |
| 05/06/2003 | US6558127 Fluid discharge device and fluid discharge method |
| 04/30/2003 | DE29824911U1 Electric motor circulation pump |
| 04/24/2003 | US20030075207 Cleaning liquid supply system having pumps connected to tank |
| 04/23/2003 | CN2546663Y Pump with temperature monitor |
| 04/23/2003 | CN2546662Y Constant pressure variable frequency pump |
| 04/17/2003 | WO2002086322A3 Fluid controlled pumping system and method |
| 04/17/2003 | US20030072655 Flow regulator for a water pump |
| 04/15/2003 | US6547529 Dry tank shutdown system for pumps |
| 04/10/2003 | WO2003029656A1 Pump control system |
| 04/10/2003 | CA2462362A1 Pump control system |
| 04/03/2003 | US20030065425 Pump controller for submersible turbine pumps |
| 04/03/2003 | US20030063978 Pump control system |
| 04/02/2003 | EP1298325A2 Pump control system |
| 04/02/2003 | CN2542852Y 自动供水装置 Automatic water supply device |
| 04/02/2003 | CN1407241A Pump device and method for generating adjustable constant fluid volume flow and its application |
| 03/27/2003 | US20030060989 Method for calculating characteristic curve of centrifugal fluid machine by computer |
| 03/26/2003 | CN2541635Y Water pump cut-off controller |
| 03/25/2003 | US6537032 Load dependent variable speed hydraulic unit |
| 03/19/2003 | EP1293679A1 Pump unit and liquid level switch |
| 03/19/2003 | EP1293678A2 Pump impeller with valve function |
| 03/18/2003 | US6534940 Marine macerator pump control module |
| 03/13/2003 | WO2002088547A3 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure |
| 03/13/2003 | US20030047621 Washer system having single tank for storing cleaning liquid |
| 03/12/2003 | CN1401911A Multi-stage variable pressure water supply pump for supply of water in city |
| 03/11/2003 | US6532430 Method for determining a turbine pump RPM profile |
| 03/11/2003 | US6531842 Sine wave variable speed drive |
| 03/11/2003 | US6530758 Composite fluid control membrane for windshield washer pump and method of manufacturing same |
| 03/05/2003 | EP1288988A1 A pressure-actuated switch |
| 03/05/2003 | EP1288501A2 Pump pressure sensor |
| 03/05/2003 | EP1287260A1 Submersible electrolyte circulation system |
| 03/05/2003 | CN2538987Y Pump-controlled adjustable pumping pressure flow automatic water injecting device |
| 03/05/2003 | CN2538986Y 自动水泵 Automatic Pump |
| 03/04/2003 | US6527517 Pump |
| 02/27/2003 | US20030039556 Process for determining a reference characteristic for controlling a pump |
| 02/27/2003 | US20030039549 Dry tank shutdown system for pumps |
| 02/26/2003 | EP1286240A1 Method of determining a pump-characteristic |
| 02/26/2003 | EP1286056A1 System and method for detecting and diagnosing pump cavitation |
| 02/25/2003 | US6524078 Pond pump with reversing means to prevent rotation in the opposite direction |
| 02/22/2003 | CA2396634A1 Process for determining a reference characteristic for controlling a pump |
| 02/20/2003 | US20030035730 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method |
| 02/20/2003 | US20030033859 Apparatus and a method for determining the viscosity of a fluid |
| 02/19/2003 | EP1284415A1 Method and device for determining the viscosity of a fluid |
| 02/19/2003 | EP1284370A1 Method for delivering variable amounts of flow, and dosing pump using this method |
| 02/19/2003 | EP1284369A1 Method for delivering variable amounts of flow, and dosing pumping using this method |
| 02/18/2003 | US6520745 Performance regulating device for fluid machinery |
| 02/13/2003 | US20030031552 Method for selecting centrifugal fluid machine by computer |
| 02/13/2003 | US20030029932 Headlamp cleaner & injection control method |
| 02/12/2003 | WO2002088547A2 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure |
| 02/12/2003 | EP1036277B1 Pump arrangement for liquid tanks |
| 02/12/2003 | CN2535583Y Long-distance control device for pump |
| 02/05/2003 | CN2534397Y Double-water channel warm-air circulating pump |
| 02/04/2003 | US6516249 Fluid control system with autonomously controlled pump |
| 02/04/2003 | US6515386 Motor construction unit for a submersible pump unit |
| 01/30/2003 | US20030021695 Method and apparatus for dynamically determining vapor pressure in pumping systems |
| 01/29/2003 | CN2533301Y Frequency-change controlling device for compound pump |
| 01/23/2003 | WO2003005875A1 Dishwasher comprising spraying arms and a circulating pump |
| 01/16/2003 | WO2003004840A1 Cooling system for a motor vehicle engine |
| 01/16/2003 | US20030012667 Method and device for discharging fluid |
| 01/09/2003 | WO2003003545A1 Operation monitor for canned motor |
| 01/09/2003 | WO2003002875A1 Composite fluid control membrane for windshield washer pump and method of manufacturing same |
| 01/09/2003 | WO2002084117A3 Speed variable feed pump |
| 01/08/2003 | EP1272760A1 Variable flow water pump |
| 12/31/2002 | US6499963 Coolant pump for automotive use |
| 12/26/2002 | US20020195988 Sine wave variable speed drive |
| 12/25/2002 | CN2527749Y Water level self-controlled switch for water pump |
| 12/24/2002 | US6497556 Fluid level control for a downhole well pumping system |
| 12/19/2002 | US20020192088 Centrifugal pump with multiple inlets |
| 12/19/2002 | US20020192072 Variable flow impeller-type water pump with movable shroud |
| 12/19/2002 | US20020190687 Marine macerator pump control module |
| 12/18/2002 | CN2526555Y 水泵控制器 Pump Controller |
| 12/18/2002 | CN1385613A 恒压供水控制系统 Water supply system |
| 12/11/2002 | EP1265014A1 Pump and over-center snap link |
| 12/11/2002 | EP1265013A1 Pump and over-center snap link |
| 12/11/2002 | CN2525288Y Full automatic submersible pump water supply device |
| 12/11/2002 | CN2525287Y Micro pipeline pressure increasing automatic pump |
| 12/10/2002 | US6491503 Delivery device |
| 12/10/2002 | US6490986 Bilge pump interface housing and method of facilitating operation and replacement of a bilge pump and float switch |
| 12/05/2002 | US20020183693 Drug pump systems and methods |
| 12/04/2002 | EP1261900A1 Method and system for automatically controlling water level in storage tank through wireless control process |
| 12/03/2002 | US6488484 Hydraulic pump with permanent-magnet motor having a preset direction of rotation |
| 12/03/2002 | US6487903 Method and system for determining pump cavitation and estimating degradation in mechanical seals therefrom |
| 11/28/2002 | US20020176783 Method for the operation of a centrifugal pump |
| 11/28/2002 | US20020176782 Pump and controller system and method |
| 11/20/2002 | CN1094569C Water submersible motor pump |
| 11/19/2002 | US6481973 Method of operating variable-speed submersible pump unit |
| 11/14/2002 | WO2002091554A1 Downhole torque generator |
| 11/14/2002 | WO2002091553A1 Downhole torque-generating and generator combination apparatus |
| 11/13/2002 | EP1256724A1 Motor pump unit with delayed starting |
| 11/13/2002 | EP1256723A1 Motor pump unit controlled by electric current analysis |