BUOYANT COMPRESSED AIR ENERGY STORAGE

METHOD OF VECTORING ROCKET THRUST USING AN ELECTRIC FIELD

CRYOGENIC PUMP WITH DESIGNED LEAKBY FOR HYDROGEN FUELING STATION

Sump pump system and method for operating thereof

MULTIPLE CRYOGENIC PUMP ASSEMBLY FOR HYDROGEN FUELING STATION

CRYOGENIC PUMP

FLUID CONTROL DEVICE

Controlling Fracturing Pumps in a Hydraulic Fracturing System

WELL MANAGEMENT SYSTEMS AND METHODS

CRYOGENIC PUMP FOR HYDROGEN FUELING STATION

PUMP FRAME WITH MULTIPLE TIE ROD BOLT PATTERNS

EXHAUST PASSAGE STRUCTURE AND DIAPHRAGM PUMP

VALVE CARTRIDGE FOR A FLUID PUMP

MULTI-PIECE SEAT

FLUID PUMP

RADIAL PISTON PUMP

ELECTRIC COMPRESSOR WITH INTEGRATED VAPOR INJECTION CIRCUIT

ROTARY COMPRESSOR AND REFRIGERATION APPARATUS

COMPRESSOR AND CONTROLLING METHOD OF VOLUME RATIO THEREOF

COMPRESSOR, AIR CONDITIONING SYSTEM AND AIR CONDITIONER

FLUID PUMP

MOTOR IDLING DETECTION DEVICE, MOTOR CONTROL DEVICE, METHOD FOR DETECTING MOTOR IDLING AND TANGIBLE COMPUTER READABLE STORAGE MEDIUM

TURBOMOLECULAR PUMP

MOUNTING STRUCTURE AND AIR PUMP

FAN MODULE AND METHOD FOR OPERATING THE SAME

Propeller blade spacer for aquaculture net cleaning

CENTRIFUGAL FAN BLADE AND FLUID HEAT EXCHANGE DEVICE

Centrifugal Air Blower

Hydraulic Control Device

METHOD FOR CHECKING THE STATE OF A HYDRAULIC ACCUMULATOR

Method and System for Controlling a Total Movement of a Distribution Boom, and Method for Distributing Construction Material and/or Thick Matter by Means of a Construction Material and/or Thick Matter Pump Device Having a Distribution Boom

METHOD FOR FORMING A REINFORCED ALUMINUM COMPONENT AND REINFORCED ALUMINUM COMPONENT

THREADED SECUREMENT OF ENCLOSURE COMPONENTS

CROSSOVER FASTENER

FAN SHROUD FOR A MOTOR VEHICLE

SELF-PIERCING RIVET, METHOD FOR PRODUCING A SELF-PIERCING RIVET, AND METHOD FOR CONNECTING TWO ELEMENTS BY A SELF-PIERCING RIVET

FASTENER

METHOD AND CONNECTING DEVICE FOR CONNECTING AT LEAST TWO ELEMENTS BY A CONNECTING ELEMENT

VISUAL TIGHTENING TORQUE INDICATOR

CAPTIVE FASTENER AND METHOD OF ASSEMBLING THE SAME

COAXIAL CONTRA-ROTATING CONNECTING MECHANISM

BEARING CASSETTE

MAGNETIC LEVITATION DEVICE AND AN ELECTROMAGNETIC ROTARY DRIVE

BEARING DEVICE WITH INTEGRATED ELECTRICAL INSULATION, NOTABLY FOR ELECTRICAL MACHINE OR ELECTRIC MOTOR, AND ASSOCIATED METHODS OF MANUFACTURE

CASSETTE SEAL AND ROLLING BEARING

ELECTRONIC CONTROL CLUTCH STRUCTURE OF AN ACTUATOR DEVICE

DISC-BRAKE CALIPER SHIELD SYSTEM

BALL-SCREW DRIVE FOR ELECTROMECHANICAL BRAKE

METHOD FOR ACTUATING A BRAKE ARRANGEMENT

COIL SPRING AND MANUFACTURING METHOD OF THE SAME

MOUNT FOR VIBRATION INSULATION

FRICTION DAMPER

SHOCK ABSORBER AND VEHICLE HAVING SAME

Torque damper

SPINDLE TURNING DEVICE

LOW-PROFILE TOROIDAL SLEWING DRIVE

BELT TENSIONING MECHANISM FOR 3D PRINTER AND 3D PRINTER

CABLE ACTUATOR WITH IMPROVED COMPACTNESS

SEALING ASSEMBLY, HYDRAULIC TORQUE CONVERTER AND VEHICLE

DIFFERENTIAL SYSTEM

MOTOR GEAR SYSTEMS FOR CAMERAS

ROTARY ELEMENT FOR TRANSMITTING ROTARY MOTION

TRANSMISSION OIL FILTER MODULE

AUTOMATIC TRANSMISSION CONTROL SYSTEM UTILIZING PADDLE SHIFTERS

Work Vehicle

SYSTEM FOR AN ACTUATOR

PISTON RING WITH TRAPEZOIDAL OPENING

Elastomeric Sealing Device

PRIMARY GASKET FOR A CYLINDER ASSEMBLY, CYLINDER ASSEMBLY

INTELLIGENT WIND GATE DEVICE WITH DIVERSION STRUCTURE FOR PRESSURE DETECTION

Gate Valves with Dynamic Skirts and Multiple Energizers

STOP VALVE ASSEMBLY

Locking Mechanism for Sealing Member of Valve with Bleeding Opening

FLUID CONTROL VALVE

FLUID CONTROL VALVE

FLUID CONTROL VALVE

FLUID CONTROL VALVE

FREEZE VALVE IN A TARGET MATERIAL GENERATOR

PNEUMATIC VALVE

INDEXABLE PLUMBING SYSTEM

VALVE CORE REMOVAL TOOL

RV Hookup Organizer

A TUBE

PIPE CONNECTOR AND METHOD FOR CONNECTING PIPE ENDS WITH LINES AND HARNESSES INSIDE

FITTING WITH POSITIVE INSTALLATION INDICATOR ASSEMBLY

PIPE CLAMP ASSEMBLY FOR COUPLING PIPES WITH DIFFERENT DIAMETERS

PIPE CONNECTING STRUCTURE

HYGIENIC CLAMP WITH POSITION FEEDBACK

HOSE ROTATOR

CONNECTION ASSEMBLY HAVING AN INSTALLATION CONNECTION DEVICE AND A FIT-ON CONNECTION DEVICE

PIPE FITTING WITH FUSIBLE SLEEVE

SEALING PIPE JOINT MADE OF RESIN

VALVED COUPLING FOR DRIP IRRIGATION LINE

METHODS AND APPARATUS FOR PROVIDING ACCESS TO AN UNDERGROUND PIPE

PIPE TRANSPORT DEVICE AND PIPING METHOD

PROVIDING HOSE COUPLING PROTECTION

PIPE PROTECTION SLEEVE

SELF-HEALING SLEEVES

Rotating Motor Mount Apparatus

CHOCKING COMPOUND DAM DEVICE AND KIT

MOUNTING COMPONENTS FOR A POWERPLANT FLUID SYSTEM

DISASSEMBLY AND ASSEMBLY COMPONENT AND LIGHT STAND

TRIPOD HEAD

LIFTING TRIPOD

MOVABLE STAND FOR UMBRELLA AND RELATED METHODS

FAST-DETACHING STRUCTURE

Fixing device capable of mounting and dismounting quickly

SMART BRACKET SYSTEM FOR WALL MOUNTED FLAT PANEL DISPLAYS

BRACKET ASSEMBLING METHOD AND SYSTEM FOR ASSEMBLING A BRACKET

SYSTEM AND METHOD FOR REDUCING FRICTION, TORQUE AND DRAG IN ARTIFICIAL LIFT SYSTEMS USED IN OIL AND GAS PRODUCTION WELLS

COMPRESSED HYDROGEN AND AIR POWER SYSTEM

METHOD AND SYSTEM FOR PROVIDING ELECTRICAL ENERGY TO A COOLING STAGE OF A CRYOSTAT SYSTEM

HYDROGEN GAS SUPPLY METHOD AND HYDROGEN GAS SUPPLY SYSTEM

AIRCRAFT HYDROGEN DISTRIBUTION SYSTEM WITH A COMPRESSOR

Multi-position Controlled Airway Valve, Refilling Device and Refilling System

METHOD AND SYSTEM FOR ASSISTING THE MANAGEMENT OF A LIQUEFIED GAS TRANSPORT SHIP OF THE TYPE CONSUMING EVAPORATED GAS FOR ITS PROPULSION

GAS CONTAINER HAVING VALVE-COUPLING ASSEMBLY CONNECTED TO OUTER VALVE

COUPLING DEVICE FOR PRESSURE VESSEL

PORTABLE PRESSURE VESSEL APPARATUS

COMPRESSOR SYSTEM FOR EVACUATING UTILITY PIPE

LED LIGHTING DEVICE

LED LIGHT SOURCE, BACKLIGHT ASSEMBLY, DISPLAY DEVICE AND LIGHTING DEVICE

SOLAR ATMOSPHERE LAMP WITH SPEAKER

EXPANSION COMPENSATION DEVICE FOR A HEADLAMP

LIGHTING DEVICE FOR VEHICLE

VEHICLE EXTERIOR COMPONENT

DYNAMIC VEHICLE HEADLAMP SYSTEM

LED Light Engine

LIGHT SOURCE SYSTEM AND LIGHT EMITTING DEVICE

LED Grow Light System and Method

LIGHTING FIXTURE

CONNECTED LED LAMP IMPLEMENTED ON A SINGLE METAL CORE PRINTED CIRCUIT BOARD

TECHNIQUE FOR FIXING CIRCUIT BOARD INSIDE OPTICAL INDICATOR OF JOB-SITE DEVICE

Linear Luminaire

TRACK LIGHTING SYSTEM AND LUMINAIRE WITH MULTIPLE LEDS

ASSEMBLY FOR LIGHT MODULE EXTENSION AND ARTICULATION AND HOUSING THEREFOR

LIGHT STAND AND LIGHT

LIGHT STAND

DIRECTIONALLY MANIUPULATABLE VIEW ENHANCEMENT APPARATUS AND SYSTEM

LAMP BRACKET WIRE CLIP STRUCTURE AND LAMP BRACKET

SOLID-STATE LIGHTING FIXTURES WITH SOCKET CONNECTIONS FOR ACCESSORIES AND ACCESSORIES FOR USE THEREWITH

SYSTEMS AND METHODS FOR LIGHTING FIXTURES

PURSE WITH ADJUSTABLE LIGHTED INTERIOR

METHODS AND DEVICES FOR CONTROLLING STEAM INTRODUCTION IN A KILN

HVAC BURNER ASSEMBLY AND A METHOD THEREOF

INWARD FIRED DUAL-STAGE RADIAL GAS BURNER ASSEMBLY FOR COOKTOP APPLIANCE

Deflagration-Proof And Detonation-Proof Surface Combustion Gas Burner

FEEDING ASSEMBLY FOR FEEDING A FUEL GAS CONTAINING HYDROGEN TO A BURNER OF A BOILER AND BOILER COMPRISING SAID FEEDING ASSEMBLY

STACKED BURNER WITH CHANNEL FOR IMPROVED IGNITION

MULTI-FUNCTIONAL RESIDENTIAL DIESEL FUEL ENERGY SYSTEM FOR COMBINED HEAT AND POWER GENERATION

EXHAUST GAS COMPOSITION CHARACTERIZATION IN COMBUSTION SYSTEMS

NOZZLE BODY FOR FUEL INJECTOR

CMC STEPPED COMBUSTOR LINER

SIMULATED FLAME FIREPLACE

COLUMN HEATER WITH IMPROVED HEAT OUTPUT

COOKER

PIZZA STONE

COOKING DEVICE, BUILT-IN COOKING APPLIANCE SYSTEM, HOUSEHOLD SYSTEM

COMBINATION OVEN CONTROL INTERFACE

TEMPERATURE CONTROL UNITS AND ASSOCIATED SYSTEMS COMPONENTS, ASSEMBLIES, AND METHODS

CONDENSER APPARATUS AND METHOD FOR REMOVING WATER FROM AIR

Portable Misting Fan and Cooler Lid

MACHINE ROOM FOR ACCOMMODATING IMMERSION COOLING ELECTRONIC SYSTEM AND CONTROL METHOD THEREOF

METHOD AND DEVICE FOR CONTROLLING INTEGRATED AIR CONDITIONER, INTERGRATED AIR CONDITIONER, MEDIUM AND PRODUCT

DEVICE AND SYSTEM FOR DETECTING TAMPERING IN COMPONENTS

THERMOSTAT CLIMATE CONTROL MANAGEMENT

AIR CONDITIONER AND CONTROL METHOD THEREOF

CONTROL SYSTEM, CONTROL SYSTEM OPERATION METHOD, AND ENVIRONMENT CONTROL SYSTEM

Expansion tank with heat accumulation

ELECTRONIC TORCH APPARATUS

AIR FUNNEL FOR A HEAT PUMP SYSTEM OF A WATER HEATER

SYSTEM AND METHOD FOR DETERMINING HEAT DEMAND OF A HYDRONIC HEATING SYSTEM

SYSTEMS AND METHODS FOR OBTAINING ENERGY IN SHADOWED REGIONS

PATENT US 11,121,667 B2

ENERGY EFFICIENT AND ADAPTIVE SPACE COOLING AND HEATING SYSTEM

METHODS AND SYSTEMS FOR TESTING, MODELING AND OPTIMIZING TWO-PHASE FLOW PRODUCED FROM A GEOTHERMAL WELL

ADVANCED PORTABLE TEMPERATURE-CONTROLLED ENCLOSURE WITH OPTIMIZED SOLID-STATE COOLING SYSTEM

VARIABLE-FREQUENCY DRIVE COOLING DEVICE, COOLING METHOD AND AIR CONDITIONING APPARATUS

COOLING SYSTEM FOR A VARIABLE FREQUENCY DRIVE ASSOCIATED WITH A TRANSPORT REFRIGERATION UNIT

A MODULAR FLUID-FLUID HEAT TRANSFER ARRANGEMENT AND A METHOD THEREOF

REFRIGERATOR APPLIANCE ADAPTIVE CONTROL SCHEME

SYSTEM AND METHOD FOR OPERATION OF VARIABLE GEOMETRY DIFFUSER AS CHECK VALVE

REFRIGERATION CYCLE DEVICE

System and Method for Controlling Head Pressure in a Refrigeration System

Ice Maker

REFRIGERATOR

INFUSED ICE MAKER APPLIANCE

SNOW SHOWER

Refrigeration Apparatus

REFRIGERATOR APPLIANCE COOLING SYSTEM

REFRIGERATOR APPLIANCE CHILLED AIR SYSTEM

REFRIGERATOR APPLIANCE CHILLED AIR SYSTEM

HOUSEHOLD DEVICE, PARTICULARLY A COOLING DEVICE HAVING AN AIR DISTRIBUTION OPENING

REFRIGERATOR

Cooler Lock

REFRIGERATOR

REFRIGERATOR WITH AUTOMATIC LIGHTING AND METHOD TO CONTROL THE AUTOMATIC LIGHTING OF A REFRIGERATOR

PROCESS AND APPARATUS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS

METHOD AND DEVICE FOR REDUCING THE WATER CONTENT IN A FIBRE-BASED BLANK

METHODS AND APPARATUSES FOR DRYING ELECTRONIC DEVICES

SENSOR PORT ASSEMBLY FOR A METALLURGICAL FURNACE

TRANSPORT DEVICE AND REFLOW OVEN COMPRISING TRANSPORT DEVICE

FABRICATION OF CERAMICS FROM CELESTIAL MATERIALS USING MICROWAVE SINTERING AND MECHANICAL COMPRESSION

LIQUID-COOLING HEAT DISSIPATION DEVICE

TWO-PHASE CLOSED THERMOSYPHON WITH INTERNAL ADIABATIC SECTION FOR EFFICIENT ULTRA-LONG-DISTANCE HEAT EXCHANGE

HEAT DISSIPATION DEVICE OF HEAT PIPE COMBINED WITH VAPOR CHAMBER

MULTIPLE WICK SECTION HEAT PIPE

ANTI-HEAT SOURCE FLUCTUATION HEAT EXCHANGE SYSTEM BASED ON ACTIVE FLOW REGULATION AND CONTROL METHOD THEREOF

MODULAR THERMAL ENERGY STORAGE AND TRANSFER IN A PCM HOSTING SYSTEM

PLATE-TYPE HEAT EXCHANGER

HOMOGENEOUS TEMPERATURE LIQUID-COOLING CONDENSER HEAT-DISSIPATING DEVICE

HEAT EXCHANGER

FUEL POWERED PAINT BALL MARKER

Safety Lever

BARREL COOLER

PAYLOAD PLATFORM ACCOUNTABILITY CONTROL SYSTEM

FIREARM SOUND SUPPRESSOR WITH PERIPHERAL VENTING

QUICK-DISCONNECT POSITIVE MUZZLE MOUNTING MECHANISM

Training Firearm

ARROW MAGAZINE LOADING DEVICE

CROSSBOW WITH AUXILIARY STRUCTURE FOR REPLACING ARROW CLIP

HANGER ASSEMBLY FOR SUPPORTING AND STORING A COMPOUND BOW

ANTI-FREEZE WATER GUN STRUCTURE

GAS PROJECTILE PLATFORM SAFETY FEATURE

FOLDING FIREARM STOCK AND RELATED METHODS

A GRIP DESIGN WITH AN INSERT MANUFACTURED IN ONE PIECE BY INJECTION

VACUUM INSULATED VERTICAL LAUNCH SYSTEM (VLS)

FIREARM OPTICAL SIGHT, SYSTEM AND METHOD

ILLUMINATED RETICLE AIMING POINT

Automated Handheld Weapons Linked with Drone

METHOD FOR CONTROLLING GUIDED MISSILES, AND GUIDED MISSILE, AND AIRCRAFT

Target Device

TARGET SHOOTING, GAMING, AND DATA ACQUISITION SYSTEMS, AND ASSOCIATED DEVICES AND METHODS

COMBUSTION IGNITER CORD WITH ENHANCED POWER

DIGITAL THREADED PLUG GAUGE

DEVICE AND SYSTEM FOR MONITORING A DEFORMATION OF A SHELVING

METHOD AND SYSTEM TO ASSESS THE DISTANCE OF AN OBJECT FRAMED BY A CAMERA

MEASURING SYSTEM AND METHOD FOR CHARACTERIZING A MULTILAYER STRUCTURE WITH LAYER-BY-LAYER DIFFERENT OHMIC PROPERTIES, SENSOR MODULE FOR A MEASURING SYSTEM, MANUFACTURING SYSTEM FOR A MULTILAYER STRUCTURE WITH LAYER-BY-LAYER DIFFERENT OHMIC PROPERTIES

GROOVE DEPTH MEASUREMENT METHOD, APPARATUS AND SYSTEM, AND LASER MEASUREMENT DEVICE

SUB-NANOMETER COORDINATE MEASURING MACHINES AND METHODS THEREOF

OPTICAL ALIGNMENT DETECTION APPARATUS AND OPTICAL ALIGNMENT DETECTION METHOD

METHOD FOR DETERMINING A SURFACE ROUGHNESS OF A SPECIMEN SURFACE OF A SPECIMEN

MEASURING DEVICE

STRUCTURAL DISPLACEMENT ESTIMATION METHOD AND SYSTEM THEREFOR

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM

PROXIMITY ROTATIONAL ANGULAR MEASUREMENT

MEASUREMENT METHOD AND METHOD FOR CONSTRUCTING STRUCTURE

INSTRUMENT FOR DETERMINING LEVEL, PLUMB, AND 45-DEGREE ORIENTATIONS

Physical Quantity Detection Device And Method Of Manufacturing Physical Quantity Detection Device

TECHNIQUES FOR INCREASING ROUND TRIP PATH LENGTH THROUGH AN OPTICAL RESONATOR COIL WITHOUT SUBSTANTIALLY INCREASING OPTICAL RESONATOR COIL SIZE

POSITION MEASURING DEVICE AND METHOD

CROWD-SOURCED ROAD GEOMETRY ESTIMATION AND APPLICATIONS THEREOF

INFORMATION PROCESSING DEVICE AND CONTROL METHOD

SYSTEMS AND METHODS FOR THE DETECTION OF ROADS

SYSTEMS AND METHODS FOR REAL-TIME VEHICLE ROUTE DERIVATION AND PREDICTION

SYSTEMS AND METHODS FOR RISK-INFORMED ROUTE PLANNING AND GUIDANCE

DELIVERY OPTIMIZATION

ROUTE PLANNING METHOD, NAVIGATION METHOD, SYSTEM AND VEHICLE FOR DRIVING PRACTICE SCENARIOS

VOICE GUIDANCE DEVICE AND VOICE GUIDANCE METHOD

Augmented Reality Wayfinding

INFORMATION PRESENTATION METHOD, INFORMATION PRESENTATION SYSTEM, AND COMPUTER-READABLE MEDIUM

HUMAN-MACHINE INTERACTION METHOD AND ELECTRONIC DEVICE

Map Display Method and Related Device

SYSTEMS AND METHODS FOR INTERACTIVELY AND VIRTUALLY EXPLORING GEOGRAPHIC AREAS DURING VEHICLE TRAVEL

Parking Slot Annotation

NEAR REAL TIME DRIVER ALERT SYSTEMS AND METHODS

VALIDATION OF MAPPING OUTPUT

Vehicle Navigation System

MAP MANAGEMENT USING AN ELECTRONIC HORIZON

Position Sensor and Method for Redundantly Determining a Position

MAGNETIC SENSOR, MAGNETIC FIELD DETECTION UNIT, POSITION DETECTION UNIT, LENS MODULE, AND IMAGING APPARATUS

Inductive Sensor Arrangement for Detecting the Movement of a Movable Body

MAGNETIC POLE POSITION DETERMINING SYSTEM AND METHOD

METHOD AND DEVICE FOR CONDITIONING A MEASUREMENT SIGNAL

GRADIENT-BASED ABSOLUTE ENCODERS

FLOW RATE MEASUREMENT METHOD FOR SPIRAL THROTTLING COMPONENT

METHOD AND SYSTEM FOR MEASURING PIPE FLOW RATE BY USING A SINGLE ACOUSTIC SENSOR

CORIOLIS FLOWMETER WITH COMPENSATION FOR AN EXTERNAL MAGNETIC FIELD

CONFIGURABLE CONTROL OF UNLOADING RATE BASED ON FILL HEIGHT

METHOD AND DEVICE FOR READING THE WATER METER

MECHANICAL DEVICE FOR WEIGHING AND DISPLAYING THE RESIDUAL GAS IN PORTABLE LIQUID PETROLEUM GAS (LPG) CYLINDERS

Thermoelectric self-charging scale

VIBRATION MEASUREMENT APPARATUS, VIBRATION MEASUREMENT METHOD, AND PROGRAM

WARNING SYSTEM OF SENSOR COUPLING ISSUE FOR FIBER OPTIC-BASED MEASUREMENTS WITH A SOURCE LOCATED ABOVE A DISTRIBUTED ACOUSTIC SENSOR ARRAY

ULTRASONIC WAVEGUIDE MEASUREMENTS OF SPATIALLY DISTRIBUTED PROPERTIES

METHOD AND APPARATUS FOR ACQUIRING AERODYNAMIC NOISE OF COMPRESSOR, MEDIUM, AND PRODUCT

Optical Sensor

DEVICE AND METHOD FOR SPECTRAL IMAGING

SEMICONDUCTOR MODULE

DEVICE AND METHOD OF ESTIMATING JUNCTION TEMPERATURE OF POWER MODULE WHEN DRIVING MOTOR AT LOW SPEED

TEMPERATURE SENSOR CIRCUITS AND CONTROL CIRCUITS AND METHOD FOR TEMPERATURE SENSOR CIRCUITS

THERMOCOUPLE SENSORS AND RELATED METHODS

PLURAL ULTRASONIC WAVEGUIDE MEASUREMENTS OF SPATIALLY DISTRIBUTED PROPERTIES

SENSOR PANEL

FLEXIBLE DEVICES INCORPORATING ELECTRONICALLY-CONDUCTIVE LAYERS, INCLUDING FLEXIBLE WIRELESS LC SENSORS

DESIGN ARCHITECTURE FOR PIEZORESISTIVE PRESSURE SENSOR DRIVERS AND POWER MANAGEMENT

SELF-CHARGING LOAD CELL

CHASSIS DYNAMOMETER APPARATUS

SYSTEM AND METHOD FOR DETECTING LEAKS WITH A LEAK DETECTION CABLE

METHODOLOGY FOR IDENTIFYING LEAKS IN SWIMMING POOLS