142697 ⎘
Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated the inlet and discharge means being separate members
Sub-classes:FLUID ROUTING PLUG
#2FLUID ROUTING PLUG
#3HYDRAULIC PISTON PUMP ASSEMBLIES
#4FLUID END ASSEMBLY
#5FLUID ROUTING PLUG
#6BUFFERED PUMP SYSTEM
#7FLUID END
#8HIGH PRESSURE PUMP
#9FLUID ROUTING PLUG
#10MODULAR POWER END
#11FLUID END ASSEMBLY
#12Through-Hardened Valve Seat for Hydraulic Fracturing
#13Fluid end assembly
#14Fluid routing plug
#15HIGH-PRESSURE PLUNGER PUMP, AND USE OF A HIGH-PRESSURE PLUNGER PUMP
#16High pressure pump
#17Fluid end
#18Fluid end
#19Fluid routing plug
#20Fluid routing plug
#21Fluid transfer and depressurization system
#22FLUID ROUTING PLUG
#23Pump fluid end with suction valve closure assist
#24Ozone injector device
#25Fluid end assembly
#26Fluid end assembly
#27Fluid routing plug
#28Fluid end
#29Fluid routing plug
#30Fluid end
#31BUFFERED PUMP SYSTEM
#32Modular power end
#33OIL PRESSURE SUPPLY DEVICE
#34Fluid end assembly
#35High pressure pump
#36Fluid end assembly
#37High pressure pump
#38Fluid routing plug
#39Fluid end
#40High pressure pump
#41Fluid routing plug
#42Fluid routing plug
#43Modular power end
#44Pump fluid end with suction valve closure assist
#45Fluid end
#46Fluid end
#47Fluid transfer and depressurization system
#48Linear compressor
#49Reciprocating compressor-expander
#50High pressure pump
#51Modular power end
#52Fluid routing plug
#53Fluid end
#54Direct drive air pump
#55Buffered pump system
#56Pump fluid end with suction valve closure assist
#57Fuel pump
#58Through-hardened valve seat for hydraulic fracturing
#59Linear compressor
#60Linear compressor
#61Foam pump and dispenser employing same
#62Ground striper pump piston having dual checks
#63Piston pump having an operating chamber with an inlet and an outlet a pressure medium connection and a connecting duct fluidly connecting the pressure medium connection to the operating chamber in an alternating controllable manner
#64High pressure fuel pump
#65Device for choking a fluid flow and corresponding piston pump for delivering fluids
#66Reciprocating Pump Having a Combination Check Valve and Relief Valve
#67Reciprocating pump
#68High pressure diesel fuel pump pumping element
#69Exhaust air conduit for a coating agent pump
#70PUMP WITH QUICK DISCHARGE FUNCTION
#71PUMPS AND METHODS OF PUMPING FLUIDS INTO A WELL BORE
#72Device for choking a fluid flow and corresponding piston pump for delivering fluids
#73High-pressure pump
#74Piston pump for a hydraulic vehicle brake system
#75Hydraulically actuated downhole pump with traveling valve
#76PUMPING DEVICE
#77Magnetic anti-gas lock rod pump
#78Piston pump with barrier fluid seal
#79PUMPING SYSTEM
#80Displacement pump with forced venting
#81Positive Displacement Injection Pump
#82PRESSURE DIFFERENTIAL PUMPS
#83Fuel injection pump
#84High-pressure pump
#85Fluid control valve systems, fluid systems equipped therewith, and methods of using
#86Method of manufacturing a positive displacement injection pump
#87Active valve system for positive displacement pump
#88Positive displacement injection pump
#89Crossover switching and pump system
#90Crossover switching valve
#91Hydraulic device for pumping molten metal and/or controlling a molten metal flow
#92Ozone injector device
#93Ozone injector device
#94Ozone injector device
#95Ozone injector device
#96Ozone injector device
#97Ozone injector device
#98Fluid transfer and depressurization system