142791 ⎘
Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
Electric drive pump for well stimulation
#602Rotor system for permanent magnet motors powering electric submersible pumps
#603Electrohydrodynamic control device
#604Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#605Ultra-long stroke multi-cylinder reciprocating pump
#606Electric driven hydraulic fracking system
#607Drive protection and management method of a pressurization system
#608Inverted closed bellows with lubricated guide ring support
#609Distributed machine learning control of electric submersible pumps
#610Electronic board, in-vehicle electric motor and electric pump
#611System and method for controlling dual oil pump
#612METHOD AND SYSTEM FOR MONITORING THE CONDITION OF ROTATING SYSTEMS
#613Electronic board, in-vehicle electric motor and electric pump
#614Turbine driven electric fracturing system and method
#615Power distribution trailer for an electric driven hydraulic fracking system
#616Motor-hydraulic machine unit for attachment to a hydraulic assembly
#617MULTI-PLUNGER PUMPS AND ASSOCIATED DRIVE SYSTEMS
#618Modular block for electric pump with limited space requirement and associated pump
#619DRIVE FOR DEEP-WELL PUMPING UNIT
#620Direct drive air pump
#621Wellsite electrical power management system
#622Method and system for controlling downhole pumping systems
#623SUBMERSIBLE PUMP MOTOR THAT CAN WORK WITH COMPRESSED AIR
#624Method for operating an electric motor
#625Systems and methods for piston rod monitoring
#626Micropump with cam mechanism for axial displacement of rotor
#627Oil change apparatus and related methods
#628Motor controller with inductor mounted transverse to control board
#629Motor fan and guard for directing coolant air
#630Remotely controlled integrated portable battery-powered variable-pressure electric pump and power emergency station
#631Positive displacement pump controller and method of operation
#632Pump assembly and high-pressure cleaning apparatus
#633Rod pump having a hydraulic cylinder and a variable speed reversible motor-generator
#634Power supply semi-trailer for electric drive fracturing equipment
#635Electric/hydraulic safety valve
#636Drive of a pump
#637Electric driven hydraulic fracking system
#638STATOR AND ELECTRIC MOTOR
#639Pump with residual magnetism attenuation
#640Borehole pump and method of using the same
#641ELECTRIC LINEAR-ACTUATOR PUMPING SYSTEM
#642Encoderless vector control for VFD in hydraulic fracturing applications
#643Piston pump unit for a hydraulic vehicle braking system
#644Rotational metering pump for insulin patch
#645Method and apparatus for high frequency common mode (L-G) phenomena and associated affect on ESP and mechnical run life
#646FLUID DISPENSING APPARATUS AND METHOD
#647Turbine chilling for oil field power generation
#648Systems and methods of controlling an electric motor that operates a pump jack
#649Drum mounted, on-demand fluid transfer pump
#650ELECTRIC OIL PUMP
#651Dual pump VFD controlled motor electric fracturing system
#652Control system for electric fracturing operations
#653Electromotive oil pump comprising a non-return valve
#654DOUBLE-MOTOR DOUBLE-PUMP ELECTRIC DRIVE FRACTURING SEMI-TRAILER
#655Pulley assisted electromagnetic fluid pump
#656Pump system with leak damage protection
#657Hydraulic pressure supply unit
#658Linear compressor
#659Multiple generator mobile electric powered fracturing system
#660SYSTEM AND METHOD FOR POWER CONDITIONING FOR AN ELECTRIC SUBMERSIBLE PUMP OPERATION IN AN OIL PRODUCTION FIELD
#661CIRCUIT SUBSTRATE AND ELECTRIC OIL PUMP
#662Controlled stop for a pump
#663Pump Structure of Portable Oral Irrigator and Portable Oral Irrigator Comprising Same
#664Oversized switchgear trailer for electric hydraulic fracturing
#665Peristaltic micropump assemblies and associated devices, systems, and methods
#666Jet Fuel Thermal Oxidation Test Equipment
#667LUBRICANT HOLDER FOR A COOLANT COMPRESSOR
#668Irrigation system booster pump assembly with variable frequency drive and axial flux motor
#669Hose bracket for texture sprayer
#670Oral irrigator
#671Polygonal liner for electrical submersible pump canned motor
#672Method for pumping an aqueous fluid through an electroosmotic membrane
#673HYDRAULIC UNIT
#674Process fluid lubricated pump and seawater injection system
#675Electric driven hydraulic fracking operation
#676Power distribution trailer for an electric driven hydraulic fracking system
#677Electric driven hydraulic fracking system
#678ELECTRIC FLUID PUMPING SYSTEM
#679Fuel delivery injector
#680Device having hybrid hydraulic-electric architecture
#681Alternate deployed electric submersible pumping system cable
#682MICRO-ELECTROMECHANICAL SYSTEM PUMP MODULE
#683MOTOR AND COMPRESSOR HAVING THE SAME
#684LINEAR RACK DRIVE FOR SUBMERSIBLE ROD PUMP FOR OIL PRODUCTION
#685Electric drive pump for well stimulation
#686Integrated pump guard and control interlock
#687ELECTRIC OIL PUMP DEVICE
#688STIRLING-CYCLE COOLING DEVICE WITH EXTERNAL ROTOR MOTOR
#689Compressor and outdoor unit of air-conditioning apparatus
#690Electric pump
#691Pump device
#692RELIABILITY ASSESSABLE SYSTEMS FOR ACTUATING HYDRAULICALLY ACTUATED DEVICES AND RELATED METHODS
#693PUMP UNIT WITH PISTON PUMP AND ELECTRIC MOTOR
#694Pump for a selective catalytic reduction (SCR) system in vehicles comprising at least one pump element comprising a pump piston, a spring bellow, and an actuation tappet under force of a compression spring surrounding the spring bellow
#695System for pumping hydraulic fracturing fluid using electric pumps
#696Hydraulic helm pump with integrated electric pump
#697Motor drive system including removable bypass circuit and/or cooling features
#698Printed circuit board module
#699BATTERY-POWERED PUMP
#700Hydraulic automatic transmission bicycle
#701Gas Compressor
#702Method for regulating the output pressure of a hydraulic drive system, use of the method and hydraulic drive system
#703Direct drive pump assemblies
#704Engine revision for peristaltic oil change
#705Devices and methods for remote temperature monitoring in fluid enhanced ablation therapy
#706Hydraulic unit
#707Hydraulic unit
#708Methods for constructing ESP motors with sealed stator windings and stator chamber
#709ESP motor with stator core sections sealed to form a stator chamber
#710Linear compressor
#711Integrated drilling rig machine
#712Methods and devices for controlling ablation therapy
#713Modular switchgear system and power distribution for electric oilfield equipment
#714Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform
#715ELECTRIC PUMP DEVICE
#716Electric pump device
#717MOTOR UNIT AND ELECTRIC PUMP DEVICE
#718Drive device, hydraulic pump, motor vehicle
#719Electric pump apparatus
#720Subsea pumping system for pigging and hydrostatic testing operations
#721Air compressor
#722Bottom hole assembly including a multi-stage reciprocating and automatically reset pump
#723Sediment capture syphon system and pump
#724HYDRAULIC FRACTURING EQUIPMENT WITH NON-HYDRAULIC POWER
#725DRILLING RIG POWER SUPPLY BUS MANAGEMENT
#726Brake system
#727Use of optical fiber sensor as a diagnostic tool in catheter-based medical devices
#728Method of controlling a pump and motor
#729SYSTEMS AND METHODS FOR DETERMINING PROPER PHASE ROTATION IN DOWNHOLE LINEAR MOTORS
#730Electric power distribution for fracturing operation
#731Compressor
#732Hydraulically powered immersible pumping system
#733PLUNGER STRUCTURE AND PLUNGER PUMP
#734Methods of operating a pump to reduce or eliminate pump backlash errors
#735Motor operated compressor
#736Reciprocating pumps having a pivoting arm
#737Slide out pump stand for hydraulic fracturing equipment
#738Flow locking system and method
#739Pumping system with control features for controlling stroke duration and injection volume
#740Rotating equipment having static torque coupling between driver and driven
#741Independent control of auger and hopper assembly in electric blender system
#742Compressor
#743Engagement and disengagement with external gear box style pumps
#744Linear compressor
#745System including recovery pump and vacuum pump
#746Power Control Method for Vertical Pumping Unit
#747DUAL PUMP CONFIGURATION FOR FLUID TRANSFER AND METERING
#748Motor including a balance weight and compressor provided with the same
#749PUMP STATUS DISPLAY MODULE, PUMP SYSTEM USING SAME AND METHODS RELATING THERETO
#750Self-aligning power screw for syringe pump
#751Hydraulic piston pump for a hydraulic tool
#752Motor drive system and method
#753Motor vehicle pump arrangement
#754Linear shuttle pump for drug delivery
#755Push-pull compressor having ultra-high efficiency for cryocoolers or other systems
#756Axial gap generator measurement tool
#757Motor pump
#758Conditioning, compressing, and storing hydrocarbon gas for mobile, electric power generation
#759INJECTION PUMP
#760Clothing treatment device and control method therefor
#761Aerosol-generating system with pump
#762Systems and methods for controlling downhole linear motors
#763Systems and methods for controlling downhole linear motors
#764Pumping unit counterweight balancing
#765Modular pumping system
#766PRESS MACHINE
#767Electric powered pump down
#768Rotational metering pump for insulin patch
#769Stator for compressor motor
#770Continuously variable transmission control method and continuously variable transmission system
#771Pumping unit counterweight balancing
#772Reciprocating injection pump and method of use
#773Blood pump connectors
#774Device for driving a compressor
#775Well service pump power system and methods
#776Shaft proximity sensors
#777Method for operating an electronically controlled pump assembly
#778Pump control system and abnormal processing and recovering method thereof
#779Pump control system and operating method thereof
#780Hybrid hydraulic fracturing fleet
#781Cooling apparatus
#782Motor
#783Piston pump and relative control method
#784Method and system for energy recovery from a rod pump
#785Methods and devices for use of degassed fluids with fluid enhanced ablation devices
#786Switch Actuation Measurement Circuit For Voltage Converter
#787REFRIGERANT COMPRESSOR AND FREEZER/REFRIGERATOR INCLUDING SAME
#788Lubrication liquid delivery methods and apparatus
#789Pump
#790SINGLE POWER SOURCE FOR MULTIPLE PUMPS CONFIGURATION
#791Motor drive system and method
#792Dual pump VFD controlled motor electric fracturing system
#793Dual pump trailer mounted electric fracturing system
#794Multiple generator mobile electric powered fracturing system
#795Control system for electric fracturing operations
#796Rotating piston for pumps
#797Two piece pump rod
#798Electric Oil Pump Device
#799VFD controlled motor mobile electrically powered system for use in fracturing underground formations for electric fracturing operations
#800SYSTEM AND METHOD FOR AQUARIUM WATER REMOVAL
#801Volumetric Pump
#802AUTOMATED PUMPING SYSTEM AND METHODS
#803ELECTRONIC CONTROL DEVICE FOR A REFRIGERANT COMPRESSOR
#804Reciprocating Compressor System with Liquid Pumping Capability
#805Modular horizontal pumping system with mobile platform and method of using same
#806Control device and control method for AC motor and AC motor drive system
#807Multi-plunger pumps and associated drive systems
#808Motor drive system and method
#809Electric drive motor having permanent magnets pushed radially outwardly by a tensioning device
#810Pump startup algorithms and related systems and methods
#811Long stroke pumping unit
#812Direct drive pumping unit
#813Modular multi-channel syringe pump
#814Vertical-Shaft Sewage Pump with Anti-Collision Switch
#815Borehole pump and method of using the same
#816Valve-less variable displacement pump
#817Spray system pressure differential monitoring
#818LINEAR COMPRESSOR AND REFRIGERATOR INCLUDING SAME
#819ELECTROHYDRAULIC SYSTEM FOR OPERATING CLUTCH(ES) AND GEAR SELECTOR(S) OF SHIFT GEARBOXES
#820Motor oil pump assembly, steering system, and vehicle
#821DOUBLE ACTING LINEAR ELECTRICAL SUBMERSIBLE PUMP AND METHOD FOR ITS OPERATION
#822Double acting linear electrical submersible pump and method for its operation
#823Electric pump and cleaning device for on-vehicle optical sensor
#824Fluid dispensing apparatus and method
#825Control device, control method, motor, and electric oil pump
#826Systems and methods for automatically evaluating slurry properties
#827High-pressure positive displacement plunger pump
#828Distribution unit
#829Electric hydraulic fracturing system
#830Motor operated accumulator
#831PUMP DEVICE
#832CYLINDER PUMP SYSTEMS AND METHODS FOR PUMPING AND MEASURING FLUIDS
#833Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations
#834Electrohydraulic motor vehicle control device comprising a hydraulic unit comprising electric components for actuating an electric motor arranged on a second circuit board embodied redundantly in two parts wherein the two parts define at least a part of an opening through which a pressure source extends
#835Watercraft cleaning systems and methods
#836Medical injection device with electric motor drive control
#837ELECTRIC OIL PUMP AND METHOD FOR MAKING ELECTRIC OIL PUMP
#838Piston pump arrangement automatically disabling in absence of inlet liquid
#839Submersible well fluid system
#840Film transducer, pump and method for operating a pump
#841Hybrid drive systems for well stimulation operations
#842Jet fuel thermal oxidation test equipment
#843Roller drive mechanism for GDI pump
#844Fuel cells for powering well stimulation equipment
#845Pump unit with integrated piston pump and electric motor
#846Mobile-automatic power supply for sump pump
#847Mobile hydraulic fracturing system and related methods
#848COATING AGENT PUMP
#849Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism
#850Linear electric submersible pump unit
#851Hydraulic pump with speed and pressure compensation
#852Reciprocating refrigeration compressor wrist pin retention
#853Reciprocating refrigeration compressor wrist pin retention
#854Beverage production module and method for operating a beverage production module
#855Fuel delivery injector
#856Systems and methods for running an air compressor using a permanent magnet generator
#857Microfluidic devices
#858FLUID ENERGY MACHINE
#859COMPRESSOR
#860Permanent magnet, rotor, motor, and compressor
#861Tandem motor linear rod pump
#862Tandem motor linear rod pump
#863Electric-driven air pump
#864Pump changeover algorithm for spray system
#865Dual pump mobile electrically powered system for use in fracturing underground formations
#866Motor drive with moisture control features
#867Linear compressor with heat shield between discharge cover and frame
#868Linear Drive Beam Pumping Unit
#869System and Method for a Multiple Plunger Reciprocating Gear
#870Portable foodstuff container
#871Plunger pump having a rotatable plunger with cut face disposed in a cylinder wherein the cylinder includes a main body and a spacer section with the spacer section having a greater length in an axial direction than the maximum stroke length of the plunger
#872DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP
#873VERSATILE HOUSING OF COMPRESSOR MOTORS
#874High speed motor drive
#875Automatic calibration device and ion migration spectrometer
#876Systems and methods for determining resistance of a power cable connected to a downhole motor
#877Sealless downhole system with magnetically supported rotor
#878Thrust load support for downhole-type system
#879Active magnetic bearing control for downhole-type system
#880Axial gap generator measurement tool
#881Low profile electro-hydrostatic actuator
#882Adapter plate with heat exchanger for a pump and motor
#883Engine revision for peristaltic oil change
#884Electric blender system, apparatus and method for use in fracturing underground formations using liquid petroleum gas
#885REMOTE MONITORING FOR HYDRAULIC FRACTURING EQUIPMENT
#886Pump having an automated gas removal and fluid recovery system and method using a gas removal reservoir having an internal partition
#887Hydraulic control device
#888Push-pull compressor having ultra-high efficiency for cryocoolers or other systems
#889Electric tree felling head and associated control system for a forestry vehicle
#890Submersible pumping apparatus, comprising linear electric motor and double action pump
#891System for reducing vibrations in a pressure pumping fleet
#892Diaphragm pump and motor system and method
#893Perfusion phantom for MRI and an apparatus, system and method for validating MR images of a phantom
#894Refrigerant compressor and freezing apparatus using same
#895ARCHITECTURE FOR A SYSTEM OF INTEGRATED PUMPS, MIXERS, AND GATES FOR MICROFLUIDIC DEVICES
#896Method to form impulse jet
#897Plunger lift state estimation and optimization using acoustic data
#898Oil pump driving device
#899Piston pump assembly for a hydraulic power vehicle braking system
#900Reciprocating pump