HYDRAULIC END OF FRACTURING PUMP

SPRING CONTROLLING VALVE

HYDRAULIC END OF FRACTURING PUMP

VALVE SEAT STRUCTURE OF DIAPHRAGM PUMP AND DIAPHRAGM PUMP

FLUID END WITH THREADED DYNAMIC SECTION

FLUID END WITH THREADED DYNAMIC SECTION

MULTI-PIECE SEAT

Pump Unit for Medical Purposes

VARIABLE DIAMETER VALVE BORES FOR THRU ROD FLUID ENDS

Reversible Reciprocating Pump

MULTI-PIECE FLUID END

SYSTEM FOR DISPENSING ABRASIVE MATERIAL

FLUID END WITH TRANSITION SURFACE GEOMETRY

FLUID END WITH TRANSITION SURFACE GEOMETRY

FLUID ROUTING PLUG

LUBRICANT PUMP SYSTEM WITH RAPID COUPLING RESERVOIR

SPRING CONTROLLING VALVE

DURABLE VALVES FOR DISPLACEMENT PUMPS

HIGH PRESSURE RECIPROCATING PUMP

Emulsion plunger pump and pump head assembly thereof

PLUNGER PUMP AND PUMP STATION

PISTON PUMP FOR A HIGH PRESSURE CLEANING DEVICE

Method for Removal of Valve Seats within Fluid End Assembly

Fluid End Assembly for Delivery of Fracture Fluid

VALVE SEATS FOR USE IN FRACTURING PUMPS

PUMP WITH VALVE WITH MOVEABLE VALVE MEMBER

FLUID END FOR POSITIVE DISPLACEMENT PUMP SYSTEMS

Pump Assembly with Self-Retained Valve Spring and Methods

Cover, fluid end and plunger pump

Pump unit for miniature cleaning machine

High-pressure pump

Valve seat with ceramic insert

Capacity control valve and capacity control valve control method

Axial piston pump with inclined plate

Reversible Reciprocating Pump

Valve spring seat sleeve, valve assembly and plunger pump

Spherical pump valve made of specific materials

System for dispensing abrasive material

Fluid splitter in a fluid end or plunger pump

Pump for A System for Applying A Coating Product, and Use of Such A Pump

Pump Unit for Medical Purposes

Double-acting reciprocating pump assembly for use in conjunction with a melter

Reversible Reciprocating Pump

Valve

Capacity control valve

Capacity control valve

High-pressure pump

WELL SERVICE VALVE SEAT REMOVAL

Separate valve seating

Reciprocating gas compressor valve

Cladded valve seat, assembly, and methods for cladding such seat

Oscillating piston pump comprising a one-piece structural element having a first and a second hollow tubular body

Piston pump

Liquid sending device

Multi-Piece Fluid End

Diaphragm pump

Valve seats and valve assemblies for fluid end applications

Fluid end with integrated valve seat

Cobalt-rich wear resistant alloy and method of making and use thereof

Valve for reciprocating pump assembly

Quick pull valve and seat assembly

Capacity control valve and capacity control valve control method

Valve assembly for a fluid end with limited access

Pump valve seat with supplemental retention

Easy change pump plunger

Pump fluid end with easy access suction valve

Fluid end crossbore

FRAC PUMP VALVE ASSEMBLY

AXIAL PISTON DEVICE

Valve seats for use in fracturing pumps

Pressure-medium control valve and piston pump for an electronically slip-controllable vehicle brake system

Quick pull valve and seat assembly

Pump With Segmented Fluid End Housing and In-Line Suction Valve

Multi-Piece Fluid End

Integrated Outlet Check Valve and Pressure Relief Valve

Inlet control valve for high pressure fuel pump

High-pressure pump

Valve seat and valve structure

WELL SERVICE VALVE SEAT REMOVAL

Diaphragm pump and valve plate thereof

Piston-valve engagement in fluid sprayers

PUMP VALVE WITH SEAL RETAINING STRUCTURE

Reciprocating gas compressor valve

Valve seats and valve assemblies for fluid end applications

Valve seats and valve assemblies for fluid end applications

Valve seats and valve assemblies for fluid end applications

Micro valve fluid pump, and method of operating a fluid pump having a diaphragm attached to a body and deflectable to open and close a fluidic pathway by contacting a valve seat having a stretchable elastic body with a changing height

PUMP ASSEMBLY INCLUDING FLUID CYLINDER AND TAPERED VALVE SEATS

Valve for reciprocating pump assembly

Plunger pump fluid end

Pump with segmented fluid end housing and in-line valve

Valve head structure for diaphragm pump and diaphragm pump having same

Multi-Piece Fluid End

Tandem motor linear rod pump

Tandem motor linear rod pump

High-pressure pump

Fluid end crossbore

FLUID END WITH CURVED INTERNAL CAVITY PROFILE

Tapered valve seat

PUMP SYSTEMS, PUMP ENGINES AND METHODS OF MAKING THE SAME

Valve seat with a hardened sleeve interior and a metal exterior

Fuel pump solenoid assembly method

Fuel pump solenoid having hydraulic damping

Pump valve configuration and assembly method

Asymmetric spring valve disk

Combined inlet and outlet check valve seat

Fuel sending unit assembly and operation

Relief valve assembly and components thereof

Valve seats for use in fracturing pumps

Check valve and liquid delivery pump

Piston ball guide for a ball pump

VALVE SEAT FOR RECIPROCATING PUMP

Frac pump valve assembly

Hydraulic machine and reversible metering pump equipped with such a machine

Frac pump seat assembly

Ball cage with directed flow paths for a ball pump

Fluid transportation device comprising a valve body, a valve membrane, a valve chamber seat, and an actuator each sequentially stacked within a accommodation space of an outer sleeve having a ring-shaped protrusion structure

Method and system for injecting slurry using concentrated slurry pressurization

Method and system for injecting slurry using two tanks with valve timing overlap

Valve device and high pressure pump using the same

Dual-stage pump with switching valve

High-pressure pump

HIGH-PRESSURE PLUNGER PUMP AND METHOD FOR THE FUNCTIONAL INTERRUPTION OF A FLUID FLOW

Fuel pump

High pressure pump

Valve seats for use in fracturing pumps

Piston fuel pump

Piston engaging with valve for self-priming in fluid sprayers

High-pressure fuel supply pump having electromagnetically-driven intake valve

Pump housing with multiple discharge valves

Pump housing with inline valve

Axial piston machine

DEVICE OF GREASE GUN

Micro water pump capable of controlling flow precisely

Manual pump

Methods of manufacturing a pneumatic reciprocating fluid pump with improved check valve assembly

POSITIVE DISPLACEMENT PUMP VALVE SEAL

Well service valve seat removal

Fluid pump

SANITARY CHECK VALVE

Valve, fluid control device, and sphygmomanometer

Check valve and liquid supply apparatus having the same

Pump systems, pump engines, and methods of making the same

Pump systems, pump engines, and methods of making the same

Valve stop retainer device

Discharge valve comprising a receiving element

Structure for securing diaphragm, diaphragm pump and valve device equipped with the same, and method of securing diaphragm

Tandem motor linear rod pump

High pressure pump

Pump assembly including fluid cylinder and tapered valve seats

Valve device and high pressure pump using the same

Method and apparatus for preventing gas lock/gas interference in a reciprocating downhole pump

Pressurised fluid driven diaphragm pump assembly

Valve for reciprocating pump assembly

High pressure pump

Positive displacement plunger pump with gas escape valve

AXIAL PISTON DEVICE

METHOD AND SYSTEM FOR FLOW RATE CONTROL OF HYDRAULIC PUMP

High-pressure fuel supply pump

A COMPONENT WHICH CONDUCTS A HIGH-PRESSURE MEDIUM

Valve clack and air pump having same

Air pump with pressure gauge having indicators on different sides and movable between use positions thereof

Valve and seat assembly for a high pressure pump

Pump system including valve cartridge assembly with a suction valve in line with a discharge valve

PUMPS AND METHODS OF PUMPING FLUIDS INTO A WELL BORE

High-pressure fuel pump

High-pressure pump

Internal combustion engine fuel, preferably diesel fuel, feed pump assembly

Method for producing a piston pump

Hydraulically actuated downhole pump with traveling valve

Tilting disc check valve

Valve and valve seat for a diaphragm pump

Valve clack and air pump having same

High pressure pump having unitary discharge and relief valve

Valve unit and a fluid working machine comprising a valve unit

PUMP DISCHARGE FLOW-RATE CONTROL DEVICE

Pump/compressor valve seat

Piston fuel pump and check valve therefore

Fuel pump for an internal combustion engine

Sterilizable pump unit

Device for delivering liquid at a stable flow rate

Valve seats for use in fracturing pumps

Tunable check valve

Relief valve assembly and components thereof

High pressure pump

Pneumatic reciprocating fluid pump with improved check valve assembly, and related methods

Compressor with valve pressing portions for sealing

Tunable check valve

Fuel pump for an internal combustion engine

Tunable fluid end

Tunable fluid end

VALVE ARRANGEMENT FOR HERMETIC COMPRESSORS

Pump and method for operating pump

Fluid end with carbide valve seat and adhesive dampening interface

Valve and diaphragm for a pump

Valve device for compressor

High-pressure fuel pump

Compressor

Valve device and high pressure pump using the same

High pressure pump having unitary discharge and relief valve

Valve

High-pressure fuel supply pump having electromagnetically-driven intake valve

High-pressure pump

Valve Seat Installation and Retrieval Tool

Valve and diaphragm for a pump

Compressor

Cylinder piston arrangement for a fluid pump or a fluid motor

Compressor Valve Plate Assembly with Integrated Gasket

High-pressure pump for a fuel injection system of an internal combustion engine

High-pressure fuel pump

Multilayer valve structures, methods of making, and pumps using same

Pump valve with controlled stroke

Discharge check valve assembly for use with hermetic scroll compressor

Valve seal for reciprocating pump

Spring controlling valve

Mechanically or hybrid mounted valve seat

Sleeved fluid end

Composite valve seat system and method

Dual use valve member for a valve assembly

Valve seat insert system and method

Composite valve seat system and method

Pump plunger with wrench features

Superimposed standing valve

Discharge cap and block for a fluid end assembly

Valve seat puller

Suction port and check valve assembly

Valve seat puller