142772 ⎘
Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
Sub-classes:PUMP AND DRIVE ASSEMBLY
#2HYBRID ELECTRIC TRANSMISSION FOR INERTIAL AND NON-INERTIAL LOADS
#3FLUID ROUTING PLUG
#4Construction Machine for Conveying Thick Material
#5POWER END MOUNT PLATE
#6MODULAR POWER END
#7FLUID END PACKING LUBRICATION DELIVERY SYSTEM
#8METHODS AND SYSTEMS FOR MAINTAINING AND SWAPPING EQUIPMENT
#9PUMP MOUNTING AND RETENTION
#10PUMP DRIVE SYSTEM
#11Hybrid Drive Systems for Well Stimulation Operations
#12FLUID ROUTING PLUG
#13FLUID END PLUG WITH BORE CLEARANCE
#14PIPE DIVERTER VALVE HOUSING FOR A THICK MATTER PUMP AND THICK MATTER PUMP
#15SYSTEM HAVING A PISTON FEEDSTOCK FEEDER SYSTEM FOR USE IN HYDROPROCESSING A SOLID FEEDSTOCK
#16SYSTEM COMPRISING A CARTRIDGE AND AN ACTUATING DEVICE
#17FLUID END ASSEMBLY
#18FLUID ROUTING PLUG
#19FRACTURING PUMP PINION ROTATION ASSEMBLY
#20FLUID END
#21HIGH PRESSURE PUMP
#22FLUID ROUTING PLUG
#23MODULAR POWER END
#24MANIFOLD ASSEMBLY
#25AUTOMATICALLY DETECTING A KEY PARAMETER AFFECTING PUMP COMPONENTS
#26FLUID END
#27CEMENTING EQUIPMENT AND CONTROL METHOD
#28MODULAR POWER END
#29VARIABLE TORQUE CONVERTER FOR BOREHOLE OPERATIONS
#30HYBRID ELECTRIC TRANSMISSION FOR INERTIAL AND NON-INERTIAL LOADS
#31SMOOTHING PUMP RATE DURING TRANSITION
#32HYBRID ELECTRIC TRANSMISSION FOR HYDRAULIC FRACTURING
#33VARIABLE TORQUE CONVERTER FOR BOREHOLE OPERATIONS
#34GREASE BARREL PUMP FOR PREVENTING PRESENCE OF RESIDUAL GREASE WITH GREASE SPRAY FUNCTION AND VARIABLE GREASE DISCHARGE FUNCTION
#35FLUID PUMP ASSEMBLY
#36PUMP ROD AND DRIVING LINK WITH SIDE-LOAD REDUCING CONFIGURATION
#37FLUID END ASSEMBLY
#38PISTON LIMIT SENSING FOR FLUID APPLICATION
#39PNEUMATIC AUTOMATIC REVERSING TRANSFER PUMP
#40Fracturing pump spacer frame
#41PISTON COUPLER FOR A RECIPROCATING PUMP
#42GRAVITY FLOW FILTRATION OF HYDROCARBONS FROM AN OIL-IN-WATER EMULSION
#43Valve stop for use with a fluid end assembly
#44Fluid end assembly
#45Hybrid Drive Systems for Well Stimulation Operations
#46Method for Controlling the Delivery Pressure of a Supply Pump
#47FRACTURING APPARATUS AND VIBRATION REDUCTION METHOD THEREOF
#48POWER END MOUNT PLATE
#49Fluid routing plug
#50AUXILIARY UNIT AND SYSTEM FOR ELECTRICALLY DRIVING A TRUCK-MOUNTED CONCRETE PUMP
#51High pressure pump
#52Slurry transfer device and slurry transfer method using the same
#53PUMPS CONFIGURED FOR USE WITH VISCOUS MATERIALS CONTAINING AGGREGATE
#54Fluid end
#55Fluid end
#56SOFT SERVE ICE CREAM PUMP ASSEMBLY
#57Multi-Plunger Pumps and Associated Drive Systems
#58FRACTURING APPARATUS
#59SYSTEMS AND METHODS OF UTILIZATION OF A HYDRAULIC FRACTURING UNIT PROFILE TO OPERATE HYDRAULIC FRACTURING UNITS
#60Manifold assembly
#61PUMP POWER END FRAME
#62Flexible manifold for reciprocating pump
#63COMPACT VOLUMETRIC PUMP
#64SYSTEM FOR DISPENSING ABRASIVE MATERIAL
#65Full-Electric Drive Cementing Control System
#66MATERIAL FEEDING DEVICE AND GLUE APPLYING SYSTEM
#67Pump rod and driving link with side-load reducing configuration
#68Fluid routing plug
#69Fluid routing plug
#70Constant voltage power distribution system for use with an electric hydraulic fracturing system
#71Method for Operating a Construction-Material and/or Viscous-Material Pump for Conveying Construction Material and/or Viscous Material, and a Construction-Material and/or Viscous-Material Pump
#72Hybrid drive systems for well stimulation operations
#73Full-Electric Drive Cementing Control System
#74VALVE FOR THICK MATTER AND METHOD FOR ACTUATING A VALVE FOR THICK MATTER
#75FLUID ROUTING PLUG
#76Power end mount plate
#77Semi-Trailer-Loaded Turbine Fracturing Equipment
#78Fracturing apparatus
#79POWER SOURCES AND TRANSMISSION NETWORKS FOR AUXILIARY EQUIPMENT ONBOARD HYDRAULIC FRACTURING UNITS AND ASSOCIATED METHODS
#80HIGH PRESSURE PUMP
#81ELECTRIC DIAPHRAGM PUMP WITH OFFSET SLIDER CRANK
#82Fluid end assembly
#83Fluid end assembly
#84Industrial pneumatic pump for a viscous fluid
#85System and method for integrated flow supply line
#86Turbine Fracturing Equipment
#87Displacement pump mounting and retention
#88Displacement pump mounting and retention
#89Multi-plunger pumps and associated drive systems
#90Displacement pump mounting and retention
#91Displacement pump mounting and retention
#92Displacement pump mounting and retention
#93Fluid routing plug
#94Fracturing apparatus
#95High-pressure fluid processing device configured for batch processing
#96TRUCK-MOUNTED CONCRETE PUMP
#97High Pressure Homogenizer
#98Hose Pump
#99Controlling fluid pressures at multiple well heads for continuous pumping
#100SYSTEMS AND METHODS TO MONITOR, DETECT, AND/OR INTERVENE RELATIVE TO CAVITATION AND PULSATION EVENTS DURING A HYDRAULIC FRACTURING OPERATION
#101Water Resistance Apparatus, Pumping System, Pumping Machine, and Cleaning Method
#102Fluid end
#103Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform
#104Method for Operating a Construction-Material And/or Viscous-Material Pump for Conveying Construction Material And/or Viscous Material, and Construction-Material And/or Viscous-Material Pump for Conveying Construction Material And/or Viscous Material
#105Manifold assembly
#106Constant voltage power distribution system for use with an electric hydraulic fracturing system
#107Concrete Pump Water Box Level Sensor
#108Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
#109Integrated pump guard and control interlock
#110Valve for minimum waste concreting pump
#111Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#112Fluid routing plug
#113FRACTURING EQUIPMENT HAVING MULTIPLE ELECTRIC-POWER SUPPLIES
#114Test apparatus for measuring particle plugging of a simulated fracture
#115PUMP AND DRIVE ASSEMBLY
#116Fluid end
#117System and method for maintaining pumps
#118Fracturing apparatus
#119Turbine-driven fracturing system on semi-trailer
#120Displacement pump mounting and retention
#121Dual pump integrated fracking system
#122Method for pumping foamed fluids into a well bore or subterranean formation
#123Method for pumping foamed fluids into a well bore or subterranean formation
#124Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#125Modular power end
#126Fracturing apparatus and vibration reduction method thereof
#127Electronically Controlled Pump System
#128HYDRAULIC FRACTURING PUMP HEALTH AND PERFORMANCE MONITORING USING IOT SENSOR NETWORKS
#129Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site
#130Spherical puffing pump for ice cream machine and air inlet device thereof
#131Method for Operating a High-Density Solids Pump and High-Density Solids Pump
#132Two-stroke pumping method and oil production device
#133Fluid end assembly
#134High pressure pump
#135Modular power end
#136Plasma compression driver
#137Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
#138Fluid end assembly
#139Fluid Pumping Device
#140High pressure pump
#141Fluid routing plug
#142PUMPING CONTROL METHOD AND APPARATUS, MATERIAL DISTRIBUTION METHOD AND APPARATUS AS WELL AS DISTRIBUTION DEVICE
#143System and method for remotely disconnecting a high-pressure pump from an active fracturing operation
#144Piston system and high pressure homogenizer using the piston system
#145Fracturing apparatus
#146DUAL PUMP INTEGRATED FRACKING SYSTEM
#147MODULAR SWITCHGEAR SYSTEM AND POWER DISTRIBUTION FOR ELECTRIC OILFIELD EQUIPMENT
#148Electric drive pump for well stimulation
#149FLUID END PLUG WITH BORE CLEARANCE
#150Lubricant pumping system
#151Displacement pump mounting and retention
#152Electric diaphragm pump with offset slider crank
#153Constant voltage power distribution system for use with an electric hydraulic fracturing system
#154Plunger, hydraulic end and plunger pump
#155Method for monitoring the state of a device and device
#156Fluid end
#157System for dispensing abrasive material
#158Method and system for emptying a drum containing a viscous liquid
#159Turbine-driven fracturing system on semi-trailer
#160High pressure pump
#161Hydraulic pump system
#162Fluid routing plug
#163Pump-valving assembly for a pulsatile fluid pump
#164Hybrid drive systems for well stimulation operations
#165Hybrid drive systems for well stimulation operations
#166Piston coupler for a reciprocating pump
#167Integrated pump guard and control interlock
#168Fluid routing plug
#169X-ray source with an electromagnetic pump
#170Pump for A System for Applying A Coating Product, and Use of Such A Pump
#171X-ray source with an electromagnetic pump
#172PUMP DRIVE SYSTEM
#173Electric drive pump for well stimulation
#174Displacement pump mounting and retention
#175Pipeline utilizing thick-matter pump for determining a pressure and/or a wall thickness simply, durably and reliably
#176Gravity flow filtration of hydrocarbons from an oil-in-water emulsion
#177RECIPROCATING PISTON LUBRICATION PUMP
#178COMPENSATION OF FLOW VARIATIONS OF A PISTON PUMP AND CONSTANT-RATE AUTOMATED PLACEMENT OF CONCRETE
#179Printing Method and Printing System
#180Fracturing equipment
#181Fluid end packing assembly
#182Pump and associated system and methods
#183Modular power end
#184Mobile thick matter pump
#185Pump fluid end with suction valve closure assist
#186Flexible manifold for reciprocating pump
#187Distributed in-field powered pumping configuration
#188Electric pump-type packaging tube for toothpaste
#189Sewage basin pump control support
#190Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#191System and method for integrated flow supply line
#192Modular power end
#193Fluid end
#194Hydraulic fan drive
#195Turbine fracturing equipment
#196Hydrostatic axial piston machine of swash plate construction
#197Reciprocating pump with internal venting
#198Intelligent oil extraction system using all-metal screw pump
#199Fluid end
#200HIGH-VISCOSITY FLUID DOSE ISOLATORS
#201Piston rod rotation features in a spray fluid pump
#202Method and system for operating a pump
#203Piston pump and method for operating a piston pump
#204Connectors for pumping assemblies and methods relating thereto
#205Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform
#206Electrically Powered and Electronically Controlled Diaphragm Ink Pump Apparatus and Method
#207Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
#208Systems for utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
#209Oilfield pressure pumping system with slow speed and high pressure fracturing fluid output
#210Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
#211Assembly, method for using assembly, applying device, method for using applying device, method for replenishing material
#212Mud pump valve leak detection and forecasting
#213Decoupled long stroke pump
#214SYSTEMS AND METHODS FOR MONITORING A CONDITION OF A FRACTURING COMPONENT SECTION OF A HYDRAULIC FRACTURING UNIT
#215Hydraulic and control system for resin injection
#216Downhole linear pump system
#217TRANSFER PUMP
#218Pump control system and method
#219Power end hub puller kit apparatus and methods
#220HYDRO EXCAVATION VACUUM APPARATUS AND FLUID STORAGE AND SUPPLY SYSTEMS THEREOF
#221Vehicle-mounted concrete pump
#222System for monitoring concrete pumping systems
#223Pump rod and driving link with side-load reducing configuration
#224Displacement metering pump and use of the displacement metering pump
#225Power end for hydraulic fracturing pump
#226Apparatus for conveying thick matter
#227Electric mining dump truck
#228Fluid pump assembly
#229Grout vacuum systems and methods
#230Adjustable fracturing system
#231Dense phase pump with easily replaceable components
#232Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#233Valve failure determination in a pump monitoring system
#234HIGH PRESSURE PUMP
#235Apparatus and method for moving viscous fluid by suction
#236High-pressure fluid processing device configured for batch processing
#237Hydraulic drive system for a construction material pump, and construction material pump
#238PUMP APPARATUS
#239PUMP APPARATUS
#240Auto-reversing driveshaft system and method
#241Handheld airless sprayer for paints and other coatings
#242High pressure pump
#243Modular power end
#244Fluid routing plug
#245Fluid end
#246Constant voltage power distribution system for use with an electric hydraulic fracturing system
#247Power end for hydraulic fracturing pump
#248Mechanically actuated travelling plug valve
#249DRAINAGE PUMP ASSEMBLY
#250Systems and methods to pump difficult-to-pump substances
#251Electric drive pump for well stimulation
#252HIGH-VISCOSITY FLUID DELIVERY
#253Rod connector and method
#254Turbine fracturing equipment
#255Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#256Electronic board, in-vehicle electric motor and electric pump
#257Valve seats and valve assemblies for fluid end applications
#258Electronic board, in-vehicle electric motor and electric pump
#259Pump plunger protective packaging
#260Active drilling mud pressure pulsation dampening
#261Methods of metering delivery of caustic soda for treatment of water
#262MULTI-PLUNGER PUMPS AND ASSOCIATED DRIVE SYSTEMS
#263Modular block for electric pump with limited space requirement and associated pump
#264Piston system and high pressure homogenizer using the piston system
#265Oil field pumps with reduced maintenance
#266Wellsite electrical power management system
#267Oil change apparatus and related methods
#268Hydraulic fracturing system, apparatus, and method
#269PULSATION-FREE WET SPRAYING MACHINE
#270Wellbore hydraulic fracturing through a common pumping source
#271Wellbore hydraulic fracturing through a pump operating in a damage avoidance mode
#272Multiple wellbore hydraulic fracturing through a single pumping system
#273Control, integration, and modulation systems and methods for regulating hydraulic fracturing systems when combined with a pressure exchange system
#274Integral reciprocating pump structure supporting spacer section
#275Pump fluid end with suction valve closure assist
#276Determining operational health of a pump
#277STATOR AND ELECTRIC MOTOR
#278Valve assembly for a fluid end with limited access
#279Flexible manifold for reciprocating pump
#280Pump fluid end with easy access suction valve
#281Mud pump
#282Reciprocating pump systems
#283Systems and methods of controlling an electric motor that operates a pump jack
#284ELECTRIC OIL PUMP
#285Electromotive oil pump comprising a non-return valve
#286Intensity modifiable intensifier pump
#287Hydraulic fracturing distribution manifold
#288Active drilling mud pressure pulsation dampening
#289Pumping system for a wellsite
#290CIRCUIT SUBSTRATE AND ELECTRIC OIL PUMP
#291Controlled stop for a pump
#292Electric diaphragm pump with offset slider crank
#293Pump assembly with a rotational to reciprocal action transmission and a diaphragm pump
#294Polygonal liner for electrical submersible pump canned motor
#295Power sequencing for pumping systems
#296Safety pressure limiting system and method for positive displacement pumps with optional automatic restart
#297Large bore plug valve
#298Pump system for handling a slurry medium
#299Integrated pump guard and control interlock
#300ELECTRIC OIL PUMP DEVICE