142705 ⎘
Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
Sub-classes:ELECTRICALLY OPERATED LINEAR PUMP AND PUMP DRIVE
#2COMBINED CLEANING AND WRINGING SYSTEM FOR A MOPPING DEVICE
#3FLUID MACHINE AND METHOD FOR CONTROLLING SUCH A MACHINE
#4LINEAR ACTUATOR FOR A HIGH-PRESSURE PUMP
#5INDEPENDENT LUBE SYSTEMS FOR RECIPROCATING PUMP
#6PUMP SYSTEM USING VARIABLE CONTROL OF A TORQUE REQUIREMENT OF A FLUID PUMP
#7SCREW DRIVEN PISTON PUMP
#8VALVE CARTRIDGE ASSEMBLY FOR A FLUID PUMP
#9DUPLEX DRIVE HEAD
#10LINEAR DRIVE ASSEMBLY
#11CONNECTION SYSTEM FOR PLUNGER PUMP DEVICE
#12SPLIT-TYPE PLUNGER PUMP AND SPLIT-TYPE PLUNGER PUMP COMPONENT
#13MATERIAL SUPPLY SYSTEM
#14DURABLE HIGH-PRESSURE AIRLESS SPRAYING MACHINE
#15ELECTRIC CYLINDER DEVICE
#16ELECTRIC CYLINDER DEVICE
#17ELECTRIC CYLINDER DEVICE
#18FLUID DELIVERY DEVICE, TRANSCUTANEOUS ACCESS TOOL AND FLUID DRIVE MECHANISM FOR USE THEREWITH
#19SYSTEM COMPRISING A CARTRIDGE AND AN ACTUATING DEVICE
#20Speed Regulating Apparatus, Plunger Pump, and Fracturing Device
#21DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP
#22WELL SERVICING PUMP SYSTEM WITH DRIVELINE ASSEMBLY FOR HYDRAULIC FRACTURING SYSTEM
#23VARIABLE TORQUE CONVERTER FOR BOREHOLE OPERATIONS
#24VARIABLE TORQUE CONVERTER FOR BOREHOLE OPERATIONS
#25Air Pump Device with Accessories Storage Function
#26Pump Assembly and Proportioning Machine
#27AIRLESS HANDHELD SPRAYER REPAIR
#28DISPOSABLE PUMP CARTRIDGE
#29Core of dual-motor driven inflatable pump
#30SYRINGE PUMP
#31INSTALLATION FOR PUMPING CRYOGENIC FLUID AND FILLING STATION COMPRISING SUCH AN INSTALLATION
#32Hydraulic Pump Arrangement
#33METHOD AND PUMP FOR LOW-FLOW PROPORTIONAL METERING
#34PUMP POWER END FRAME
#35Linear drive assembly
#36MOBILE FRACTURING PUMP TRANSPORT FOR HYDRAULIC FRACTURING OF SUBSURFACE GEOLOGICAL FORMATIONS
#37Well servicing pump system with driveline assembly for hydraulic fracturing system
#38VARIABLE DISPLACEMENT PUMPS
#39ROLLING DIAPHRAGM PUMP
#40Drive system for a positive displacement pump
#41Semi-Trailer-Loaded Turbine Fracturing Equipment
#42POWER SOURCES AND TRANSMISSION NETWORKS FOR AUXILIARY EQUIPMENT ONBOARD HYDRAULIC FRACTURING UNITS AND ASSOCIATED METHODS
#43INLINE FLUID DISPENSE PUMP ASSEMBLY
#44CONTROL OF A DUAL-PUMP SINGLE-POWER SOURCE SYSTEM
#45Control of a dual-pump single-power source system
#46Engagement and Disengagement With External Gear Box Style Pumps
#47TORSIONAL COUPLING FOR ELECTRIC HYDRAULIC FRACTURING FLUID PUMPS
#48LONG STROKE PARALLEL PUMP
#49SUCKING AND AIR BLOWING STRUCTURE AND MASSAGING DEVICE
#50Emulsion plunger pump and pump head assembly thereof
#51Ring latch locking shaft coupling for bi-directional loading
#52Linear drive assembly
#53COMBINED CLEANING AND WRINGING SYSTEM FOR A MOPPING DEVICE
#54Keyless gear timing assembly for a reciprocating pump
#55FLUID DELIVERY DEVICE, TRANSCUTANEOUS ACCESS TOOL AND INSERTION MECHANISM FOR USE THEREWITH
#56FRAC PUMP SYSTEM
#57Optimizing an efficiency of a positive displacement pump with a constant or near-constant speed power source
#58Monitoring System for Reciprocating Pumps
#59Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#60ELECTRICALLY OPERATED LINEAR PUMP AND PUMP DRIVE
#61Pumping systems
#62Reciprocating Pump
#63Tappet for acting on a pump piston of a high-pressure fuel pump
#64Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#65FRACTURING PUMP ASSEMBLY
#66SCREW DRIVEN PISTON PUMP
#67Multi-pump integrated mixed fluid delivery device
#68Device for expanding a fluid
#69Disposable pump cartridge
#70Electric drive pump for well stimulation
#71Electromechanically drivable brake pressure generator
#72Lubricant structure and lubricant method for belt pumping unit
#73DIAPHRAGM PUMP DRIVE FOR AN ELECTRIC PUMP
#74Double acting pump design utilizing two rotating discs
#75Direct drive for a reservoir fluid pump
#76Electric drive pump for well stimulation
#77FLUID DELIVERY DEVICE, TRANSCUTANEOUS ACCESS TOOL AND FLUID DRIVE MECHANISM FOR USE THEREWITH
#78Torsional coupling for electric hydraulic fracturing fluid pumps
#79Vehicle hydraulic brake unit having a cylinder bore and piston with rotation prevention parts
#80Syringe pump
#81Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#82Transfer assembly for attachment to a front portion of an agricultural vehicle and a method of use
#83DUPLEX DRIVE HEAD
#84Measuring backlash of a pump gear train
#85Liquid feeder
#86Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations
#87Connectors for pumping assemblies and methods relating thereto
#88Oilfield pressure pumping system with slow speed and high pressure fracturing fluid output
#89Status monitoring and failure diagnosis system for plunger pump
#90Drive system for a positive displacement pump
#91Airless handheld sprayer repair
#92Support for reciprocating pump
#93Electric drive pump for well stimulation
#94Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#95Auto-reversing driveshaft system and method
#96PLUNGER PUMP
#97Reciprocating injection pump and method of use
#98PISTON PUMP MANUAL ROLLING SYSTEM AND METHOD OF USE
#99Downhole pump drive including reverse reduction gear with switching mechanism
#100Method of reducing air compressor noise
#101Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
#102COMPRESSOR AND ASSEMBLING METHOD THEREOF
#103System and method for controlling dual oil pump
#104Active drilling mud pressure pulsation dampening
#105Automated control of hydraulic fracturing pumps
#106Non-pulsating pump and method of controlling the same
#107Pump assembly and high-pressure cleaning apparatus
#108Rod pump having a hydraulic cylinder and a variable speed reversible motor-generator
#109Reciprocating pump trunnions connecting crosshead and connecting rod
#110Pump gear
#111Hydraulic fluid pump and stuffing box assembly for same
#112Piston/liner configuration coordination in a piston pump
#113Active drilling mud pressure pulsation dampening
#114Dosing apparatus for dispensing a fluid under aseptic conditions
#115Fluid delivery device, transcutaneous access tool and insertion mechanism for use therewith
#116Hydraulic helm pump with integrated electric pump
#117Direct drive pump assemblies
#118Concrete pump system and method
#119Support for reciprocating pump
#120Power delivery devices for reciprocating engines and related systems and methods
#121Compressor
#122Reciprocating pumps having a pivoting arm
#123Pumping system with control features for controlling stroke duration and injection volume
#124Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith
#125Dual turbine direct drive pump
#126Engagement and disengagement with external gear box style pumps
#127Medical fluid cassettes and related systems and methods
#128Self-aligning power screw for syringe pump
#129Robot device for collection of solid, liquid and/or multiphase samples
#130Power delivery devices for reciprocating engines, pumps, and compressors, and related systems and methods
#131Foreign material removal device
#132Reciprocating injection pump and method of use
#133Direct Drive Systems
#134Foam pump and dispenser employing same
#135Pump
#136Power end frame assembly for reciprocating pump
#137Pump drivetrain damper system and control systems and methods for same
#138Fluid delivery device, transcutaneous access tool and insertion mechanism for use therewith
#139High-pressure positive displacement plunger pump
#140POLYMERIC MATERIALS
#141Driving apparatus with swinging linear motion mechanism
#142Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations
#143Electrohydraulic 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
#144Vacuum pump
#145Electric driven gas booster
#146Inactivation of pathogens in biological media
#147ACTUATOR
#148Jet fuel thermal oxidation test equipment
#149Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism
#150Multi-chamber wobble plate pump
#151Automated multiple sample processor having a plurality of piston pumps
#152COMPRESSOR
#153Uterine distension fluid management system with peristaltic pumps
#154Tandem motor linear rod pump
#155Tandem motor linear rod pump
#156DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP
#157Bearing system for reciprocating pump and method of assembly
#158Method to form impulse jet
#159Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism
#160Piston pump assembly
#161Reciprocating pumps and closures therefore
#162VARIABLE DISPLACEMENT FUEL PUMP BACKGROUND
#163Diaphragm pump
#164Trigger guard and pendant for a portable hydraulic power unit
#165Solenoid valve for a portable hydraulic power unit
#166Portable hydraulic power unit having a pump fixed to an exterior side of a fluid supply tank
#167Portable hydraulic power unit
#168Compressor with adaptable transmission with respect to the motive source
#169Disposable pump chamber for an infusion pump
#170Pump monitoring and notification system
#171Support for reciprocating pump
#172SHOCK DAMPENING PUMP
#173Mechanism for coarse and fine adjustment of flows in fixed displacement pump
#174Spring-driven pump for dispensing discrete bursts of liquid
#175Cleaning appliance
#176Pump apparatus and substrate treating apparatus
#177High pressure fuel gas pump
#178Pump having a top portion fixed to an external structure
#179PUMP FOR OPERATION IN RADIOACTIVE ENVIRONMENT
#180Belt tightening mechanism for a fluid delivery system
#181Self-aligning mud pump assembly
#182Double-chamber piston pump for the distribution of fluid products
#183Driving method for metering pump, driving apparatus for metering pump, vaporizer, and anesthesia apparatus
#184BIOGAS COGENERATION SYSTEMS
#185Compressed fluid motor, and compressed fluid powered vehicle
#186Break apparatus having detachable pump housing
#187INSTRUMENTS USED IN COLLECTING FLUID SAMPLES
#188Pump
#189Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism
#190Blood purification device
#191Piston assembly for a pressure-generating device of a braking system of a motor vehicle
#192TRANSMISSION FOR PUMP SUCH AS HYDRAULIC FRACTURING PUMP
#193Torsional coupling for electric hydraulic fracturing fluid pumps
#194Medical fluid cassettes and related systems and methods
#195Uterine distension fluid management system with peristaltic pumps
#196Actuation system utilizing MEMS technology
#197Liquid soap dispenser with controls positive and reverse rotations of motor and liquid discharge amount through angle counting
#198Sealing moving with piston in a high-pressure pump
#199Hydraulics block and hydraulic unit
#200Pressure generator for a hydraulic vehicle braking system
#201Drive assembly and pump assembly arrangement for cryogenic pump
#202Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith
#203SYSTEM AND METHOD FOR OPERATION OF A PUMP WITH FEED AND DISPENSE SENSORS, FILTRATION AND DISPENSE CONFIRMATION, AND REDUCED PRESSURE PRIMING OF FILTER
#204Tandem motor linear rod pump
#205Mechanical driver
#206Power delivery devices for reciprocating engines and related systems and methods
#207COMPRESSED AIR ENERGY STORAGE SYSTEM
#208Modular pump system
#209Reciprocating pump
#210Pump system and method of starting pump
#211Rotation/translation converter gear unit
#212Foreign material removal device
#213Rigid piston-actuator-assembly supported for performing a pendulum-type tolerance compensation motion
#214Liquid delivery pump
#215Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations
#216Liquid supply mechanism and liquid cooling system
#217Power delivery devices for reciprocating engines and related systems and methods
#218Foam pump and dispenser employing same
#219Pump having a cap retaining a diaphragm in a receptacle
#220Adjustable pumping apparatus
#221Engine
#222Fluid pump
#223Flexible beam vertical pumping unit
#224Pump for integrated brake system
#225Mechanism for fine adjustment of flows in fixed displacement pump
#226Dosing apparatus for dispensing a fluid under aseptic conditions
#227Reactor system
#228Variable displacement system
#229Rotary cabonator
#230Epicyclical fluid pump assembly
#231Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit
#232High-pressure fluid mixing pump control system and fluid suction control method
#233Oscillating linear actuator
#234Medical peristaltic pump
#235Ultra High Pressure Pump With An Alternating Rotation To Linear Displacement Drive Mechanism
#236Canted off-axis driver for quiet pneumatic pumping
#237Variable speed drive system
#238Bearing system for reciprocating pump and method of assembly
#239Support for reciprocating pump
#240Power end frame assembly for reciprocating pump
#241System and method for reinforcing reciprocating pump
#242Mounting arrangement for an oil pump in a refrigeration compressor
#243Pump drivetrain damper system and control systems and methods for same
#244Pressure generator for a hydraulic vehicle brake system
#245Active suspension apparatus for vehicle and pump thereof
#246Reciprocating low-speed heavy-load hydraulic pump with variable action area
#247Transmission for motor vehicle and method of pumping transmission fluid through the transmission
#248WIRELINE PUMP
#249SYRINGE QUICK DISCONNECT APPARATUS AND RELATED METHOD
#250Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems
#251Rotary Cabonator
#252MULTIPLEX PUMP SYSTEMS AND ASSOCIATED METHODS OF USE WITH WATERJET SYSTEMS AND OTHER HIGH PRESSURE FLUID SYSTEMS
#253Pump suction/expulsion for liquids and gases versatile
#254Mechanical drive system for a pulseless positive displacement pump
#255Linear compressor
#256Electronically controlled linear pump drive
#257Torsional coupling for electric hydraulic fracturing fluid pumps
#258Efficiency Spur Gear Set Housing
#259Compressor for a self-inflating pneumatic tire
#260Method and device for assembling swash plate-type fluid machine
#261Gear motor pump assembly
#262PUMP SYSTEM
#263Washing machine and detergent delivery pump assembly thereof
#264Dosing unit for an ambulatory infusion device
#265Dosing device overcoming change in viscidity of detergent and method for controlling same
#266Pump
#267Drive Mechanism for an Injection Device and a Method of Assembling an Injection Device Incorporating Such Drive Mechanism
#268Reciprocating compressor
#269Fuel distribution block
#270COMPRESSOR WITH SWASH PLATE
#271Reciprocating pump assembly for liquids
#272Fluid delivery device, transcutaneous access tool and insertion mechanism for use therewith
#273Fluid delivery device and transcutaneous access tool with blood glucose monitoring for use therewith
#274Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith
#275Hydrostatic actuator and arrangement of a hydrostatic actuator in a motor vehicle
#276Wobble drive mechanism
#277System and method for a pump with onboard electronics
#278Diaphragm pumps
#279Portable working machine
#280Piston pump comprising flat guiding
#281Medical fluid cassettes and related systems and methods
#282Compressed fluid motor, and compressed fluid powered vehicle
#283Method and device for assembling swash plate-type fluid machine
#284Working vehicle and method for controlling a working vehicle
#285CRYOGENIC REFRIGERATOR
#286METHOD OF MAINTAINING HYDRAULIC PUMP IN A RENEWABLE ENERGY TURBINE GENERATOR
#287Swing barrel type positive displacement pump using cross shaft joint bearing
#288Dosing pump arrangement
#289Syringe Infusion Pump
#290Gearbox
#291Pumping assembly using active materials
#292Plunger pump for volumes below one microliter, allowing manual intervention
#293PUMP
#294Quintuplex mud pump
#295Toothed wheel and pump aggregate with such a toothed wheel
#296Coupling system for use with fluid displacement apparatus
#297Reciprocation pump and a dialysis apparatus equipped with the reciprocation pump
#298Modular pump design
#299Reciprocation pump and a dialysis apparatus equipped with the reciprocation pump
#300Fluid power helical rotary actuator