JOY MANUFACTURING COMPANY

AUTO SENTRY II

as to Auto Sentry 1961;Controls for Air Compressors Comprising Sensors to Monitor Compressor Functions and Apparatus for Shutting Down the Compressor When Certain Conditions Are Detected, Sold as a Unit with Air Compressors;2;as to Auto Sentry 1961;

DENVER

Laboratory Scale, Electrical, Scientific and Testing Equipment for Laboratory Use Comprising Attrition Scrubbers for Scrubbing, Polishing and Removing Surfaces from Solids; Classifiers for Fine Sizing, Desliming, Grinding, Regrinding, Washing, Dewatering and Densifying; Samplers; Concentration Tables for Concentrating Solids by Size or Weight; Conditioners for Conditioning Pulps and for Conditioning Feed Materials to Filtering Apparatus; Crushers for Crushing Mineral, Coal and Chemical Solids; Mills for Preparing Laboratory Samples; Pulp Density Scales; Sample Splitters; Samplers; Sieves and Sieve Shakers; Solvent Extraction Units; Vanning Plaques; Vibrating Screens; Wet and Dry Feeders; Wet and Dry Screen Analyzers, and Parts Thereof;Machines and Machine Parts for Mineral, Coal and Chemical Processing Comprising Agitators; Thickeners; Classifiers for Fine Sizing, Desliming, Grinding, Regrinding, Washing, Dewatering and Densifying; Conditioners for Conditioning Pulps; Crushers for Crushing Mineral, Coal and Chemical Solids; Distributors, Belt Filters; Disc Filters; Drum Filters; Pressure Filters; Vacuum Filters; Flotation Cells; Gold Placer Extracting Machines; Impellers; Mills; Propellers for Processing Machines; Pumps for Transporting Liquids and Slurries; Attrition Scrubbers for Scrubbing, Polishing and Removing Surfaces from Solids; Slakers for Mineral Processing, and Parts Thereof;Plastics and Rubber in the Form of Shaped Sections for Manufactures-Namely, Pump Insulation, Liners and Seals;Environmental Control Apparatus Comprising Belt Filters; Disc Filters; Drum Filter; Pressure Filters and Vacuum Filters; Clarifiers; Heat Exchangers; Mobile Filtration Stations for Dewatering; and Parts Thereof;

DENVER

as to Denver Mar. 4, 1935;as to Denver Mar. 17, 1935;as to Denver Mar. 17, 1935;Laboratory Scale, Electrical, Scientific and Testing Equipment for Laboratory Use Comprising Attrition Scrubbers for Scrubbing, Polishing and Removing Surfaces from Solids, Classifiers for Fine Sizing, Desliming, Grinding, Regrinding, Washing, Dewatering and Densifying, Samplers, Concentration Tables for Concentrating Solids by Size or Weight, Conditioners for Conditioning Pulps and for Conditioning Feed Materials to Filtering Apparatus, Crushers for Crushing Mineral, Coal and Chemical Solids, Mills for Preparing Laboratory Samples, Pulp Density Scales, Sample Splitters, Samplers, Sieves and Sieve Shakers, Solvent Extraction Units, Vanning Plaques, Vibrating Screens, Wet and Dry Feeders, Wet and Dry Screen Analyzers, and Parts Thereof;Machines and Machine Parts for Mineral, Coal and Chemical Processing Comprising Agitators, Thickeners, Classifiers for Fine Sizing, Desliming, Grinding, Regrinding, Washing, Dewatering and Densifying, Conditioners for Conditioning Pulps, Crushers for Crushing Mineral, Coal and Chemical Solids, Distributors, Belt Filters, Disc Filters, Drum Filters, Pressure Filters, Vacuum Filters, Flotation Cells, Gold Placer Extracting Machines, Impellers, Mills, Propellers for Processing Machines, Pumps for Transporting Liquids and Slurries, Attrition Scrubbers for Scrubbing, Polishing and Removing Surfaces from Solids, Slakers for Mineral Processing, and Parts Thereof;Plastics and Rubber in the Form of Shaped Sections for Manufactures-Namely, Pump Insulation, Liners and Seals;as to Denver May 19, 1961;Sec. 2(f) as to Denver.;as to Denver Mar. 4, 1935;as to Denver May 19, 1961;as to Denver Apr. 26, 1973;as to Denver Apr. 26, 1973;Environmental Control Apparatus Comprising Belt Filters, Disc Filters, Drum Filter, Pressure Filters and Vacuum Filters, Clarifiers, Heat Exchangers, Mobile Filtration Stations for Dewatering, and Parts Thereof;

DENVER ORION

PUMPS AND ASSOCIATED PARTS THEREFOR;

ELECTROSCRUBBER

Electrostatic Moving Bed Granular Filter;

FIN-FLITE

FIN-FLIGHT;HEAT EXCHANGING EQUIPMENT-NAMELY, EQUIPMENT IN WHICH MATERIAL IS CONTINUOUSLY CONVEYED THROUGH A PATH WHILE SIMULTANEOUSLY BEING IN HEAT EXCHANGE RELATIONSHIP WITH THE CONVEYING MEANS AND APPURTENANCES ND PARTS THEREFOR;

FULGRIP

OIL DRILLING EQUIPMENT-NAMELY, TUBING TONGS;FULLGRIP;

HEFTI

FLUID OPERATED IMPACT BREAKERS USED IN MINING FOR CRUSHING ROCK AND ORE, AND COMPONENT PARTS THEREFOR;HEFTY;

HK HILLMAN-KELLEY

Oil Field Tools and Machinery-Namely, Power Tongs and Power Units for Operating Tongs;

JOY

ELECTRICAL AND SCIENTIFIC GOODS COMPRISING ELECTRICAL SWITCHES AND HOUSINGS FOR SINGLE AND MULTIPLE SWITCHING UNITS, ELECTRICAL CONNECTORS BOTH LINE AND TERMINAL TYPES, LAMP SOCKETS, AIR-CRAFT RUNWAY POWER DISTRIBUTION CONNECTORS, HIGHWAY LIGHTING CONNECTORS, ELECTRIC PLUGS AND RECEPTACLES, LOW VOLTAGE POWER DISTRIBUTION BOXES, GROUND FAULT DETECTORS, CIRCUIT CONTINUITY DETECTORS; ELECTRICAL GOODS FOR AIR POLLUTION CONTROL COMPRISING ELECTROSTATIC PRECIPITATORS; AND PARTS THEREOF;MINING MACHINES FOR THE EXTRACTION OF BEDDED MATERIALS COMPRISING CONTINUOUS MINERS, LONGWALL MINING MACHINES, SHORT WALL MINING MACHINES, KERF CUTTERS, SHEARING MACHINES, DRILLING MACHINES, MACHINERYFOR LOADING, HAULING AND DUMPING OF MINERALS, COAL AND OTHER MATERIAL, SUCH MACHINERY COMPRISING CONVEYOR APPARATUS FOR CONTINUOUS TRANSPORTATION OF BULK MATERIALS, ENDLESS BELT CONVEYORS, CONVEYOR SUPPORTS, GATHERING ARM LOADERS, SHUTTLE CAR CONVEYOR; MINE ROOF SUPPORT AND ROOF MAINTENANCE MACHINERY COMPRISING HYDRAULICALLY OPERATED ROOF SUPPORT MACHINES, RF SUPPORT AND ROOF MAINTENANCE MACHINERYRY COMPRISING HYDRAULICALLY OPERATED ROOF SUPPORT MACHINES, ROOF SHIELDS, ROOF CHOCKS, ROOF DRILLING MACHINES, ROOF BOLTGAS SCRUBBERS, MECHANICAL DUST COLLECTORS, AIR CHAMBERS TO HOUSE BAG TYPE FILTERS; FLUID COMPRESSORS COMPRISING AIR COMPRESSORS, ROTARY COMPRESSORS, RECIPROCAL COMPRESSORS, CENTRIFUGAL COMPRESSORS, SCREW COMPRESSORS, RECYCLE GAS COMPRESSORSFUGAL COMPRESSORS, SCREW COMPRESSORS, REPULLEYS, AND BLOCKS; WELL DRILLING MACHINERY COMPRISING PIPE, CASING AND DRILL ROD HANDLING APPARATUS, MAKE-UP AND BREAK CASING AND DRILL ROD HANDLING APPARATUS, KELLY DRIVES, PULSATION STABILIZATING EQUIPMENT, CATHEADS, TONG BLOCKS, BRUSHINGS, ELEVATORS, HOOKS, LINERS, LINKS, SLIPS, SPIDERS, SUBS AND BUMPER SUBS, TONGS, WELL HEADS, MACHINERY FOR MINERAL, COAL AND CHEMICAL PROCESSING COMPRISING THICKENERS, CLARIFIERS, FLOATATION CELLS, PUMPS, BALL MILLS, ROD MILLS, ATTRITION SCRUBBERS, AGITATORS, DISC FILTERS, SAMPLERS, MIXERS, MINERAL JIGS, PULP DISTRIBUTORS, GOLD PLACER APPARATUS, CRUSHERS, PULVERIZERS, PRESSURE AND VACCUUM FILTERS AND PARTS THEREOF;METAL GOODS USED IN WELL DRILLING OPERATIONS COMPRISING CASING BOWLS, CLAMPS, COLLARS, PIPES, AND PARTS THEREOF;CRAWLER AND RUBBER TIRE LAND VEHICLES FOR TRANSPORTING MINING AND EXCAVATION EQUIPMENT AND MATERIAL COMPRISING , CONVEYORS, CUTTERS, ROTARY DRILLS; SHUTTLE CARS; AND PARTS THEREOF;ENVIRONMENTAL CONTROL APPARATUS COMPRISING POLLUTION CONTROL AND GAS CLEANING APPARATUS-NAMELY, BAG HOUSE TYPE FILTERS, DUST VALVES, AND AIR LOCKS; HEAT EXCHANGERS; DISC FILTERS; PRESSURE VACUUM FILTERS; ELECTRIC HEATERS; VENTILATION AND GAS HANDLING APPARATUS COMPRISING FANS, CENTRIFUGAL, VANE AXIAL, TUBE AXIAL AND PROPELLER TYPES; AND PARTS THEREOF;

KELCO

OIL DRILLING TOOLS-NAMELY, POWER SLIPS, CATHEADS AND TUBING TONGS;

LIMBEROLLER

BELT SUPPORTING IDLER STRUCTURE;

MARNICK

MACHINE PRODUCTS-NAMELY, PIPE COUPLINGS, PILE COUPLINGS, CASING COUPLINGS AND TUBING COUPLINGS;

MAVERICK

Power-Operated Mining and Construction Drills Used for Earth and Mineral Boring;

MIL

Machine Parts-Namely, Propellers for Agitators;

MUSTANG

Power-Operated Mining and Construction Drills Used for Earth and Mineral Boring;

OZONE

POTENTIOMETERS AND SOLENOID VALVES; TESTING EQUIPMENT, NAMELY TORQUE AND LOAD FIXTURES AND TEST FIXTURES FOR AIRCRAFT HYDRAULIC AND PNEUMATIC HARDWARE, AND PARTS THEREFOR;SPECIALTY HAND TOOLS FOR ASSEMBLY AND DISASSEMBLY OF AIRCRAFT HYDRAULIC AND PNEUMATIC EQUIPMENT AND PARTS THEREFOR;HYDRAULIC ACCUMULATORS, HYDRAULIC BRAKE VALVES FOR AIRCRAFT, HYDRAULIC AND PNEUMATIC VALVES FOR MACHINERY, HYDRAULIC DAMPERS, HYDRAULIC POWER PACKS, HYDRAULIC ACTUATORS, HYDRAULIC MANIFOLDS, HYDRAULIC RESERVOIRS, HAND PUMPS FOR HYDRAULICS, AND PARTS THEREFOR;HYDRAULIC COUPLINGS, HYDRAULIC SWIVELS, AND PARTS THEREFOR;SHOCK ABSORBERS AND LANDING GEARS FOR AIRCRAFT; AIRCRAFT HYDRAULIC STEERING SYSTEM COMPONENTS-NAMELY, VALVES, LINEAR AND ROTARY MECHANICAL ACTUATORS AND MECHANICAL AND ELECTRO-MECHANICAL SERVO-MECHANISMS; AIRCRAFT COMPONENTS, NAMELY HYDRAULIC SERVO FLIGHT CONTROLS COMPRISED OF VALVES, ACTUATORS AND HYDRAULIC, MECHANICAL AND ELECTRO-MECHANICAL FEEDBACK MECHANISMS FOR AILERONS, SPOILERS, RUDDERS, LEADING EDGE SLATS AND FLAPS AND CANARDS SURFACES, AND PARTS THEREFOR;THE LINING SHOWN IN THE MARK ON THE DRAWING IS A FEATURE OF THE MARK AND DOES NOT INDICATE COLOR.;

PE

FLUID FLOW STABILIZER FOR RECIPROCATING PUMPS USED IN THE OIL DRILLING INDUSTRY;

QUIET POWER

AIR COMPRESSORS AND PUMPS;

SHAKEFLO