| Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036) |
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| 05/07/2013 | CA2722118C Syringe pump detection system for bolus application |
| 05/07/2013 | CA2650669C Apparatus and method for detection of a leak in a pump membrane |
| 05/02/2013 | WO2013063463A1 Product dispensing system with pwm controlled solenoid pump |
| 05/02/2013 | WO2013063262A1 Pump monitoring device |
| 05/02/2013 | WO2013061403A1 Accessory unit drive mechanism |
| 05/02/2013 | WO2013060456A1 Air-conditioning compressor for a motor vehicle |
| 05/02/2013 | WO2013059925A1 Method and system for flow measurement |
| 05/02/2013 | WO2012095274A3 Method for operating a pump that is driven by an electric motor in a power-optimized manner in the event of low volumetric flow rates |
| 05/02/2013 | US20130108482 Method and system for attentuating transmission of high amplitude oscillations by a vacuum system |
| 05/02/2013 | US20130108479 Entrapment detection for variable speed pump system using load coefficient |
| 05/02/2013 | US20130108478 Remote pumping station monitoring method |
| 05/02/2013 | US20130108476 Pump freeze protection |
| 05/02/2013 | US20130108473 Method and controller for operating a pump system |
| 05/02/2013 | US20130105182 System and Method of Automatic Tank Refill |
| 05/02/2013 | US20130105173 Discharge pressure actuated pump |
| 05/02/2013 | DE112011101269T5 Phasenverschiebungssteuerung für ein oszilierendes Pumpensystem Phase shift control for an Oscillating pump system |
| 05/02/2013 | CA2853172A1 Method and system for flow measurement |
| 05/01/2013 | CN202918609U Housing of water pump controller |
| 05/01/2013 | CN202916657U Control device for oil pressing device of hydropower station |
| 05/01/2013 | CN202914773U Valve element of water pump controller |
| 05/01/2013 | CN202914290U Valve element support of water pump controller |
| 05/01/2013 | CN202914289U Comprehensive protecting device of air compressor |
| 05/01/2013 | CN202914288U Fire pump automatic cleaning device |
| 05/01/2013 | CN202914287U Water pump flow pressure adjusting device for fire protection |
| 05/01/2013 | CN202914286U Photovoltaic pump with multipoint water level control functions |
| 05/01/2013 | CN202914285U 智能自动供水控制器 Intelligent automatic water control |
| 05/01/2013 | CN202914284U Electromagnetism changing-over type mass flow water suction pump |
| 05/01/2013 | CN202914262U Metering pump for automatically regulating stroke |
| 05/01/2013 | CN103081348A Improved method to save energy for devices with rotating or reciprocating masses |
| 05/01/2013 | CN103080551A Method for controlling driving of work machine |
| 05/01/2013 | CN103080550A Hydraulic pressure device |
| 05/01/2013 | CN103080549A Arrangement for throttling a fluid flow, and corresponding piston pump for delivering fluids |
| 05/01/2013 | CN103080547A Method of measuring a property of entrained gas in a hydraulic liquid and fluid-working machine |
| 05/01/2013 | CN103075332A Pneumatic control device and method for air compressor |
| 05/01/2013 | CN103075331A 污水提升控制报警器 Sewage lift control alarm |
| 05/01/2013 | CN103075330A New technique for improving efficiency of photovoltaic water pump system |
| 05/01/2013 | CN103075329A Novel photovoltaic water pump control system |
| 05/01/2013 | CN103075327A Screw piston composite middle-high pressure air compressor |
| 05/01/2013 | CN103075324A Control method of oil temperature of compressor |
| 05/01/2013 | CN103075319A Water supply device and operation method of the same |
| 05/01/2013 | CN102505851B Concrete pump vehicle and pumping control system and method for concrete pump vehicle |
| 05/01/2013 | CN101968049B Novel fruit and vegetable transport case, intelligent variable ventilation system and realizing method thereof |
| 05/01/2013 | CN101542131B Pump control device for construction machine |
| 04/30/2013 | US8430647 Compressor safety valve |
| 04/30/2013 | US8430646 Variable volume clearance pocket for a reciprocating compressor cylinder |
| 04/30/2013 | US8430645 Two stage pressure regulation system for variable displacement hydraulic pumps |
| 04/30/2013 | US8430642 Controlling apparatus for linear compressor |
| 04/30/2013 | US8430641 Multiple switch float switch apparatus |
| 04/30/2013 | US8430640 Powder spray coating device and powder transport device therefor |
| 04/30/2013 | US8430156 Liquid loop with multiple pump assembly |
| 04/30/2013 | US8430081 Direct-injection system fuel pump with a maximum-pressure valve |
| 04/30/2013 | US8429907 Active hydraulic regeneration for motion control |
| 04/30/2013 | CA2708798C Switch and float assembly for a pump |
| 04/25/2013 | WO2013058265A1 Compressor control apparatus |
| 04/25/2013 | WO2013058225A1 Remote monitoring system of uniaxial eccentric screw pump |
| 04/25/2013 | WO2013057178A1 Method for operating a feed pump which operates in a pulsating fashion |
| 04/25/2013 | WO2013057109A1 Peristaltic pump for pumping a liquid and method for operating a peristaltic pump |
| 04/25/2013 | WO2013012832A3 Adaptive pump control for positive displacement pump failure modes |
| 04/25/2013 | WO2012088451A3 Torque control for open circuit piston pump |
| 04/25/2013 | US20130101439 Method for Controlling and/or Regulating a Metering Pump |
| 04/25/2013 | US20130101438 Customizable dispense system with smart controller |
| 04/25/2013 | US20130101437 Altitude-dependent compressor control |
| 04/25/2013 | US20130098642 System and Method of Automatic Pump Operation |
| 04/25/2013 | US20130098468 Hydraulic distribution system employing a dual pump |
| 04/25/2013 | DE102011084906A1 Method for monitoring pump for transporting liquid in industrial plant for production of e.g. cosmetic, involves detecting air bubble or froth in pump liquid by capacitive and/or conductive sensor arranged into housing portion |
| 04/24/2013 | EP2584197A1 Radial hydraulic pump with variable eccentricity and flow rate |
| 04/24/2013 | EP2582560A1 Device, method, and system for compressed air control and compressed air supply |
| 04/24/2013 | CN202900621U 智能泵控阀 Intelligent Pump Control Valve |
| 04/24/2013 | CN202900619U Protector for sand pump packing |
| 04/24/2013 | CN202900609U Automatic adjusting system for water suction pump of greenhouse |
| 04/24/2013 | CN202900608U Automatic water pump start-stop control device |
| 04/24/2013 | CN202900607U 智能生物泵控制器 Smart biological pump controller |
| 04/24/2013 | CN202900606U 水泵智能变频控制柜 Intelligent pump frequency control cabinet |
| 04/24/2013 | CN202900605U Oilless air compressor remote diagnosis monitoring system |
| 04/24/2013 | CN202900601U High-speed solar energy well pump |
| 04/24/2013 | CN202900594U Anti-bedsore air pump for air cushion |
| 04/24/2013 | CN202900575U Anti-bedsore inflating bed cushion air pump |
| 04/24/2013 | CN202900565U 便携式恒流泵 Portable constant flow pump |
| 04/24/2013 | CN202898986U Intermittent watering device for dual-steel-wheel roller |
| 04/24/2013 | CN103069168A Air compression device for railway vehicle |
| 04/24/2013 | CN103069164A Clearance pocket for reciprocating compressor |
| 04/24/2013 | CN103069163A 线性压缩机 Linear Compressor |
| 04/24/2013 | CN103062032A Low-pressure prevention alarm device for air compressor |
| 04/24/2013 | CN103062031A IOT (internet of things) compressor controlling system |
| 04/24/2013 | CN103062030A Main pump switching device, main pump switching method and main pump system of high-voltage direct-current valve cooling system |
| 04/24/2013 | CN103062029A Control method for water supply pump |
| 04/24/2013 | CN103062028A Electrical control device for grouting pump |
| 04/24/2013 | CN103062027A Control method used for concrete pumping machinery and controller |
| 04/24/2013 | CN103062026A Method and device for controlling pump output of concrete pumping machinery |
| 04/24/2013 | CN103062025A System and method for controlling water pump in vehicle |
| 04/24/2013 | CN103062024A High-low-pressure switching method for double-cylinder pumping device, hydraulic control system of double-cylinder pumping device and device |
| 04/24/2013 | CN103062023A Intelligent linear-motor oil production system |
| 04/24/2013 | CN103062021A Oil well pump |
| 04/24/2013 | CN103062019A Miniature injection type bidirectional controllable pump |
| 04/24/2013 | CN103061715A Pump jack pump-off control method and pump jack control apparatus |
| 04/24/2013 | CN101688530B Positive displacement pump comprising an externally assisted valve |
| 04/23/2013 | US8425205 Centrifugal pump |
| 04/23/2013 | US8425204 Pump |
| 04/23/2013 | US8425202 Modular, universal and automatic closed-loop pump pressure controller |
| 04/23/2013 | US8425201 Fan system and motor control circuit |