You are searching for: distillation

Filing DateMarkGoods & ServicesStatus/
Status Date
4/12/1905 SPIRITTINE
Filed on: 4/12/1905
PINE-WOOD OIL, A PRODUCT OBTAINED BY THE DISTILLATION OF PINE-WOOD AND REMAINING AFTER THE PYROLIGNEOUS ACID AND THE SPIRIT ARE REMOVED EXPIRED
12/27/1988
Apply Now!
9/7/1923 CENCO
Filed on: 9/7/1923
WEIGHING SCALES, BAROMETERS, PRESSURE GAUGES, TITRATION APPARATUSES, HYDROGEN-ION-DETERMINATION APPARATUS, LIGHT-MEASURING APPARATUS, SURFACE-TENSION APPARATUS, LABORATORY DISTILLATION AND EXTRACTION APPARATUS, AIRLIQUEFYING APPARATUS, THERMAL MEASURING AND RECORDING APPARATUS, LABORATORY RACKS, LABORATORY CLAMPS AND SUPPORTS, BURNER STANDS AND BURNERS, ELECTRIC METERS, ELECTRIC WATER BATHS FOR USE IN PHYSICAL CHEMISTRY LABORATORIES, ELECTRIC-LIGHT-PROJECTION APPARATUSES FOR SCIENTIFIC OPTICAL T EXPIRED
1/10/1986
Apply Now!
9/7/1923 CENCO
Filed on: 9/7/1923
ELECTRIC BATTERIES, ELECTRIC MOTORS, ELECTRIC GENERATORS, ELECTRIC RHEOSTATS, ELECTRIC KNIFE SWITCHES AND POINT SWITCHES, AND CLOCK-CONTROLLED ELECTRIC SWITCHES, ELECTRIC STIRRERS, ELECTRIC FURNACES, AND ELECTRIC DISTILLATION APPARATUS EXPIRED
1/10/1986
Apply Now!
11/14/1923 BUFLOVAK
Filed on: 11/14/1923
CALANDRIAS, [ CAUSTICIZERS, ] CONCENTRATORS, CONDENSERS, CRYSTALLIZERS, [ ROTARY HOT AIR, VACUUM DRUM, ] VACUUM SHELF, ATMOSPHERIC SINGLE DRUM, ATMOSPHERIC DOUBLE DRUM AND VACUUM ROTARY DRIERS, EVAPORATORS, FLAKERS, FRACTIONATING COLUMNS, [ IMPREGNATING APPARATUS, MALT-SIRUP PLANT EQUIPMENT, MILK-CONDENSING MACHINERY, MILK-POWDER MACHINERY, PUMPS, ] VACUUM AND EVAPORATING PANS, VACCUM AND STEAM JACKETED KETTLES, [ VALCANIZERS, SALT-PLANT EQUIPMENT, ] SOLVENT-RECOVERY APPARATUS, [ STILLS, BEET AND CANE SUGAR MANUFACTURING APPARATUS, AND WOOD DISTILLATION EQUIPMENT, ] REGISTERED AND RENEWED
11/22/2014
8/2/1926 Mark Words (NOT AVAILABLE)
Filed on: 8/2/1926
[ STEAM ACCUMULATORS, STEAM ENGINES, STEAMHAMMERS, MACHINE PLANTS FOR RIVER STEAMERS AND SEAGOING VESSELS, ] [ STEAM TURBINES, ] [ WATER TURBINES, ] [ STEAM CONDENSERS; ][ PISTON COMPRESSORS FOR COMPRESSING STEAM, AIR, OR OTHER LIQUIDS; ROTARY COMPRESSORS FOR COMPRESSING STEAM, AIR, OR OTHER LIQUIDS; ROAD ROLLERS, LIFTING AND TRANSPORTING MACHINERY, EXCAVATORS, HYDRAULIC PRESSES; AND HYDRAULIC PLANTS, PRINTING PRESSES, BEET DRYERS UTILIZING THE SMOKE GASES OF THE BOILERS, PLANTS FOR FAST DRYING OF SUGAR LOAVES AND CUBES WITH HOT-AIR CIRCULATION, DRYING MACHINES IN THE TEXTILE INDUSTRY, DRYING APPARATUS WITH DRUMS FOR INDUSTRIAL DISTILLERIES, DRYING PLANTS FOR COAL AND DRYING APPARATUS IN PULVERIZED-COAL EQUIPMENT, DRYING PLANTS FOR HOPS; CREAM SEPARATORS; APPARATUS AND PLANTS NECESSARY FOR THE MANYFACTURE AND WORKING OF GREASE-NAMELY, BONE CRUSHERS, GREASE COLLECTORS, COOLERS, GREASE-REFINING APPARATUS; PLANTS FOR LIXIVIATING SOLUTIONS OF GLUE, VACUUM APPARATUS FOR GLUE, REFINING APPARATUS FOR GLUE, COOLINGTABLES FOR SLABS OF GLUE AND DRYING CHAMBERS FOR THE SAME; COPPER AUTOCLAVES, IRON AUTOCLAVES WITH COPPER LINERS, AND ROTATING AUTOCLAVES FOR FAT SPLITTING; SEPARATORS AND WASHING MACHINES FOR FATTY ACIDS, REFINING AND MIXING APPARATUS, MIXING APPARATUS FOR FATTY ACIDS, VACUUM DISTILLATION APPARATUS FOR STEARIN, MELTING AND MIXING APPARATUS FOR PURE STEARIN, HYDRAULIC PRESSES FOR COLD AND HOT STEARIN, EVAPORATING PLANTS FOR GLYCERINE WITH PRECIPITATION AND RECOVERY OF SODIUM CHLORIDE, DISTILLING APPARATUS FOR PURE GLYCERINE, EXTRACTION APPARATUS FOR STEARIN; COOLING MACHINES, CUTTING MACHINES, DRYING CHAMBERS, MACHINES FOR PRODUCING SOAP SHAVINGS, MIXING APPARATUS AND STAMPING MACHINES FOR TOILET SOAP, PRESSES FOR FAT RESIDUES, MACHINES FOR MAKING MARGARINE AND BUTTER, MACHINES FOR PRODUCING LUBRICANTS; APPARATUS FOR MANUFACTURING AND WORKING VEGETABLE AND MINERAL OILS-NAMELY, CLEANING AND SORTING DEVICES FOR SEEDS, MACHINES FOR REMOVING HUSKS AND THE LIKE, ROLLING MILLS FOR SEEDS, ROASTING APPARATUS FOR THE SAME, HYDRAULIC PRESSES FOR OIL, MACHINES FOR MOULDING FODDER, CUTTING MACHINES FOR FODDER, MILLS FOR FODDER, FILTER PRESSES FOR OIL DISTILLING AND REFINING APPARATUS FOR OIL, SOLIDIFYING APPARATUS FOR OIL, REFINING APPARATUS FOR EDIBLE OIL, EXTRACTION APPARATUS FOR SEEDS AND FODDER, DISTILLING APPARATUS FOR CRUDE OIL, REFINING APPARATUS FOR BENZINE, FILTER PRESSES FOR PARAFFIN AND CERESINE, MIXING APPARATUS FOR PARAFFIN, AUTOCLAVES FOR THE DISTILLATION OF PETROLEUM UNDER HIGH PRESSURE HYDRAULIC PRESSES FOR PARAFFIN AND CERESINE, CHAMBERS FOR SEPARATING OIL FROM PARAFFIN DISTILLING APPARATUS FOR TAR RESIDUES FOR THE PRODUCTION OF ASPHALT; APPARATUS NECESSARY FOR WORKING RESIN, RUBBER; AND INORGANIC COLORS-NAMELY, FILTER PRESSES FOR TURPENTINE, GRINDING MACHINES FOR ENAMEL PAINTS; APPARATUS NECESSARY FOR THE CHEMICAL TREATMENT OF WOOD-NAMELY, COPPER PICKLING APPARATUS FOR WOOD IN THE PRODUCTION OF PAPER, IRON PICKLING APPARATUS WITH COPPER LINERS, PLANTS FOR IMPREGNATING THE WOOD OF RAILWAY SLEEPERS, TELEPHONE AND TELEGRAPH POLES WITH TAR OILS AND CYNOGEN COMPOUNDS; DISTILLING VESSELS FOR EXTRACITING ACETIC ACID, DISTILLING AND REFINING APPARATUS FOR PURE ACETIC ACID, MIXING DEVICES FOR CALCIUM ACETATE, MACHINES FOR MANUFACTURING SULPHURIC ACID, VACUUM PLANTS FOR UTILIZING THE WASTE LIQUOR FROM PAPER AND CELLULOSE FACTORIES, VACUUM APPARATUS FOR POTASH LYE; APPARATUS NECESSARY FOR MANUFACTURING EXPLOSIVES-NAMELY, AUTOCLAVES, NITRATION CENTRIFUGES, MIXING APPARATUS, VACUUM DRYING DRUMS, GRAPHITING CYLINDERS, ARRANGEMENTS FOR REMOVING THE WATER FROM NITROCELLULOSE; APPARATUS AND MACHINES FOR EVAPORATING BRINE AND FOR AMMONIUM CARBONATE WORKS-NAMELY, REFINING PLANTS, VACUUM STATIONS WITH SEPARATING APPARATUS FOR SALT CRYSTALS, REFINING AND SORTING APPARATUS, VACUUM APPARATUS FOR CONCENTRATING SODA LYE, AMMONIA COOLER, APPARATUS FOR LEACHING OUT SALTS, MIXING APPARATUS AND CAST-IRON DISTILLING COLUMNS FOR SODA SOLUTIONS; APPARATUS AND MACHINES FOR MANUFACTURING ARTIFICIAL MANURE-NAMELY, SORTING DRUMS, DISSOLVING APPARATUS FOR PHOSPHATES GRINDING AND SORTING DRUMS FOR BONE MEAL, DRYING CHAMBERS FOR LIXIVIATED BONES; APPARATUS NECESSARY FOR MANUFACTURING PASTEBOARD-NAMELY, IMPREGNATING PANS HEATED BY SEAM OR DIRECTLY HEATED BY COAL, DISTILLING VESSELS FOR TAR, REFINING APPARATUS FOR LIGHT AND HEAVY OILS; ALL PLANTS FOR TANNERIES-NAMELY, SORTING DRUMS FOR WOOD CUTIN PIECES, BARK AND ACORNS, COPPER VACUUM APPARATUS FOR CONCENTRATING TANNIN SOLUTIONS, COPPER DRYING DRUMS FOR TANNIN POWDER, VACUUM DRYING CHAMBERS FOR TANNIN POWDER; ALL MACHINERY FOR COAL AND OTHER MINES, GEARING ROLLS FOR ROLLING-MILL DRIVE OF CAST OR FORGED STEEL WITH DOUBLEHELICAL TEETH, LARGE GEARWHEEL DRIVES FOR ROLLING MILLS, REDUCTION GEARS FOR MARINE TURBINES, BEVEL WHEELS WITH CITROEN TEETH FOR WATER TURBINES, GEAR WHEELS WITH HARDENED AND GROUND PINIONS CUT ACCORDING TO THE SYSTEM EMPLOYED FOR TRAMWAY MOTORS, COMPLETE GEAR-WHEEL DRIVES FOR ELECTRIC LOCOMOTIVES; GROUND AND HARDENED DRIVING WHEELS FOR LATHES, PLANING MACHINES, AND ] MILLING MACHINES [ ; REDUCTION GEARING FOR TEXTILE MACHINERY, GAS COOLING AND WASHING APPARATUS, GAS CLEANERS, AND GAS BLOWERS (COMPRESSORS); FINISHED CASTINGS, BEING PARTS FOR GENERAL MACHINE CONSTRUCTION-NAMELY, ROTORS, ROLLS, LEVERS, RIVETING-MACHINE FRAMES, ECCENTRICS, FRAMES, TEMPLATE PIPES, HAMMER MONKEYS, ANVIL BLOCKS, HAMMER RESTS, HAMMER FACES, ANVIL TABLES, SPINDLE COUPLINGS, CLAW COUPLINGS, ROLL-HOUSING BEARERS, CAM ROLLERS WITH CAST DOUBLE-HELICAL TEETH, TABLES, FLYWHEELS, GEAR WHEELS, GROOVED ROLLERS, CALIBRATED ROLLS, CYLINDER FRAMES, CLAY CUTTERS, CONVEYING-WORM ACCESSORIES, CONVEYING WORMS, MILLING RINGS IN HIGH PERCENTAGE VERY TOUGH AND RESISTANT MANGANESE STEEL OR CHROME STEEL; BREAKING JAWS AND SIDE WEDGES IN MANGANESE STEEL; CRUSHER BEDS, TRAYS, ROCKER ARMS, CRUSHING CYLINDERS AND CONES, SMOOTH AND RIBBED CYLINDER CASINGS IN MANGAENSE STEEL; MIXING ROLLS, KNEADING ROLLS, WING ROLLS IN MANGANESE STEEL; SHAFT QUADRANTS, COMPONENT PARTS FOR STEAM TURBINES IN CAST STEEL, ROTORS WITH CAST-IN BLADES, RIVETING-MACHINE BOWS AND UPRIGHTS, PRESS COLUMNS, PRESS CYLINDERS, PILGER ROLLS IN SPECIAL STEEL FOR THE ROLLING OF SEAMLESS TUBES, GEAR WHEELS WITH CAST-TEETH SWITCHES, PARTS OF DREDGERS, PLOUGH BODIES AND SUNDRY CASTINGS FOR AGRICLUTURAL MACHINERY, ROPE FORKS AND ROPE-FORK BEARINGS, COMPONENT PARTS OF ELECTRIC STEEL FOR MOTOR-PLOUGH BUILDING, STEAM CYLINDERS, VALVES FOR STEAM ENGINE CONSTRUCTION, SUPPORTS HAMMER COLUMNS, ANVIL BEDS, FRAMES, CYLINDERS FOR GAS ENGINES, STEAM CYLINDERS, ALL CAST-IRON LOCOMOTIVE PARTS, AUTOMOBILE CYLINDERS, CHILL MOULDS OF EVERY KIND UP TO 85 TONS IN WEIGHT, CROSSHEADS, COMPLETE SHAFTING PISTON RODS FOR SHIPS ENGINES, CRANK SHAFTS FOR COMPRESSORS AND TURBINE WHEELS, DRUMS, AND RINGS UP TO THE LARGEST DIMENSIONS, TURBINES DISCS, TURBINE SHAFTS, ROTORS, ROTOR SHAFTS, FLYWHEEL SHAFTS; SMALL FORGE AND SPINDLE PRESSING PLANT-NAMELY, BUFFERS BUFFER RODS, COUPLINGS, BALLS FOR CEMENT MILLS, CRAMPS, STRIKING CRAMPS, SPANNERS, FORGED VICE STYRIAN TYPE; AND COMPONENT PARTS FOR WATER TURBINES IN CAST STEEL; LATHES, MILLING MACHINES, GRINDING MACHINES, POLISHING MACHINES, DRILLING MACHINES, PLANING MACHINES; PRESSING DIE, STAMPING CUTTING, SHEARING MACHINES; FORGING, CASTING, DIE-CASTING, SCREW-CUTTING, SHAPING MACHINES, REAMING MACHINES, SEWING MACHINES, EXTRUSION MACHINES, SLITTING MACHINES, SOLDERING MACHINES, LAPPING MACHINES, GEAR-CUTTING MACHINES, TAPPING MACHINES, BORING MACHINES, BENDING MACHINES, AND FILLING MACHINES; CRANES, JACKS, ERECTION WRENCHES AND DREDGERS, STEAM NAVVIES; AND WITH EXCEPTION OF USE FOR PURPOSES OF AUTOMOTIVE VEHICLES THE FOLLOWING; EXPLOSION MOTORS OF ALL DESIGNS, PISTONS THEREFOR; TRANSMISSION PARTS-NAMELY, GEARS, SPUR WHEELS AND BEVEL WHEELS WITH STRAIGHT-HELICAL OR DOUBLE-HELICAL TEETH, GEARS WITH INTERNAL TEETH, RACKS, CHAIN WHEELS, GEAR BOXES, DIESEL MOTOR COLUMNS AND FRAMES, CRANK SHA REGISTERED AND RENEWED
6/21/2011
2/6/1933 DOWTHERM
Filed on: 2/6/1933
LIQUID OR LIQUEFIABLE CHEMICAL PRODUCTS CONTAINING OR CONSISTING OF DIPHENYL, DIPHENYL-OXIDE, POLY-PHENYLS, AND HALOGENATED DERIVATIVES THEREOF, USED FOR HEAT TRANSFER AGENTS IN POWER PLANTS, CHEMICAL PROCESSES, OIL DISTILLATION, AND THE LIKE, AND ALSO FOR TRANSFORMER OILS, DIELECTRICS, AND THE LIKE REGISTERED AND RENEWED
3/19/2014
3/20/1936 SNODOTTE
Filed on: 3/20/1936
ACID PRODUCT MADE BY HYDROGENATION AND/OR DISTILLATION OF MARINE AND/OR VEGETABLE OILS AND SUITABLE FOR USE AS AN INGREDIENT IN THE CANDLE, COSMETIC, RUBBER, LEATHER, AND LIKE INDUSTRIES EXPIRED
6/30/1997
Apply Now!
11/2/1942 GLASCOTE
Filed on: 11/2/1942
Acid Tanks, Acid Treating Tanks, Aging Tanks, Blow Off Tanks, Blow Down Tanks, Brewery Tanks, Bottling Tanks, Brine Tanks, Buttermilk Tanks, Coil Tanks, Cooling Tanks, Corrosion Resisting Tanks, Cooking Tanks, Coagulating Tanks, Chocolate Melting Tanks, Chocolate Tanks, Closed Jacketed Tanks, Cream Tanks, Chlorinating Tanks, Concentration Tanks, Crystallizing Tanks, Chemical Tanks, Chemical Processing Tanks, Compounding Tanks, Distillery Tanks, Dairy Tanks, Dye Tanks, Distillation Tanks, Distill CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
6/26/2004
Apply Now!
11/2/1942 GLASCOTE
Filed on: 11/2/1942
Distillation Units, Evaporators, Polymerizers, Acid Heaters, Industrial Alcohol Stills, Continuous Stills, Pot Stills, Pipe Stills, Solvent Recovery Stills, Stills, and Distilling Columns; Sterilizers and Heat Exchange Coils for Use in the Chemical, Pharmaceutical, Distillery, Rubber, Synthetic Rubber, and Plastic Industries; Food Processing Tanks, Pressure Cookers, Starch Cookers, Vacuum Cookers, Pulp Cookers, Sterilizers, Evaporators, and Heat Exchange Coils for Use in the Food Processing and CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
9/4/2004
Apply Now!
5/16/1945 TALLENE
Filed on: 5/16/1945
TALL OIL PITCH, THE RESIDUE FROM TALL OIL DISTILLATION EXPIRED
11/12/1986
Apply Now!
5/30/1945 MECO MECHANICAL EQUIPMENT COMPANY NEW ORLEANS LA. U.S.A.
Filed on: 5/30/1945
APPARATUS FOR THE DISTILLATION OF LIQUIDS COMPRISED OF EVAPORATORS, HEAT EXCHANGERS AND EXHAUST BOILERS AND UNITS ASSEMBLED FROM THE SAME EXPIRED
12/18/1986
Apply Now!
5/26/1947 CENCO
Filed on: 5/26/1947
[ WEIGHING SCALES; BAROMETERS; PRESSURE GAUGES; TITRATION APPARATUS; HYDROGENION-DETERMINATION APPARATUS; LIGHT-MEASURING APPARATUS; APPARATUS FOR DETERMINATION OF SURFACE TENSION OF LIQUIDS; LABORATORY DISTILLATION AND EXTRACTION APPARATUS; AIR LIQUEFYING APPARATUS FOR USE IN PHYSICAL CHEMICAL LABORATORIES; THERMAL MEASURING AND RECORDING APPARATUS; LABORATORY RACKS, CLAMPS AND SUPPORTS; ELECTRIC METERS; ELECTRIC-LIGHT-PROJECTION APPARATUS FOR SCIENTIFIC OPTICAL TESTS AND PICTURE PROJECTION; EL EXPIRED
12/15/2000
Apply Now!
7/1/1947 HORST'S
Filed on: 7/1/1947
OIL OF HOPS COMPRISING A DISTILLATION PRODUCT OF HOPS SOLD IN LIQUID FORM FOR USE IN PREPARING CEREAL MALT BEVERAGES-NAMELY, BEER, ALE, STOUT, AND PORTER, AND COMBINED HOP EXTRACT, COMPRISING A SOLUBLE EXTRACT OF HOPS FOR PREPARING CEREAL MALT BEVERAGES-NAMELY, BEER, ALE, STOUT, AND PORTER EXPIRED
11/3/1992
Apply Now!
11/6/1948 LUMMUS
Filed on: 11/6/1948
CHEMICAL AND PETROLEUM DISTILLATION AND REFINERY APPARATUS AND POWER PLANT EQUIPMENT-NAMELY, OIL HEATERS AND PARTS THEREOF, HEAT EXCHANGERS, CONDENSERS, STEAM GENERATORS [ DISTILLATION COLUMNS AND PATTS THEREOF, FLASH EVAPORATION TANKS, AND STEAM JET EJECTROS ] REGISTERED AND RENEWED
9/22/2010
5/18/1949 YOUNG QUALITY
Filed on: 5/18/1949
HEAT EXCHANGE DEVICES; [ NAMELY, UNIT HEATERS, CONVECTORS, CONVECTOR CABINETS, PARTS FOR THE FOREGOING, BLAST COILS, EVAPORATOR COILS, STEAM DISTRIBUTING COILS, AND WATER COILS FOR SPACE TEMPERATURE CONDITIONING; ] NAMELY, FLUID TEMPERATURE REGULATING RADIATORS AND PARTS THEREFOR, AND SUPERCHARGER INTERCOOLERS AND AFTERCOOLERS FOR USE WITH STATIONARY AND MARINE GAS, GASOLINE, AND DIESEL ENGINES AND AIR COMPRESSORS; AND; NAMELY, HEAT TRANSFER OF THE TUBE AND SHELL TYPE USED IN DISTILLATION, CHEMI EXPIRED
4/19/2003
Apply Now!
5/18/1949 Mark Words (NOT AVAILABLE)
Filed on: 5/18/1949
HEAT EXCHANGE DEVICES; SUCH AS UNIT HEATERS, CONVECTORS, CONVECTOR CABINETS, PARTS FOR THE FOREGOING, BLAST COILS, EVAPORATOR COILS, STEAM DISTRIBUTING COILS, AND WATER COILS FOR SPACE TEMPERATURE CONDITIONING; SUCH AS FLUID TEMPERATURE REGULATING RADIATORS AND PARTS THEREFOR, AND SUPERCHARGER INTERCOOLERS AND AFTERCOOLERS FOR USE WITH STATIONARY AND MARINE GAS, GASOLINE, AND DIESEL ENGINES AND AIR COMPRESSORS; AND SUCH AS HEAT TRANSFER APPARATUS OF THE TUBE AND SHELL TYPE USED IN DISTILLATION, EXPIRED
11/3/1992
Apply Now!
4/24/1951 D & O
Filed on: 4/24/1951
ESSENTIAL OILS; CONCENTRATED CITRUS OILS; TERPENELESS OILS; FLORAL ABSOLUTES-NAMELY, DEWAXED EXTRACTS OF FLOWERS MADE WITH A VOLATILE SOLVENT; FLORAL CONCRETES-NAMELY, EXTRACTS OF FLOWERS MADE WITH A VOLATILE SOLVENT; FLORAL WATERS-NAMELY, WATER FRACTIONS RESULTING FROM THE STEAM DISTILLATION OF FLOWERS FOR RECOVERY OF ESSENTIAL OILS; BALSAMS; OLEO RESINS AND GUMS OF HIGH PURITY AND ADAPTED FOR USE IN THE PREPARATION OF FOODS, BEVERAGES, AND MEDICINES; IMITATION, ARTIFICIAL, AND SYNTHETIC ESSENT EXPIRED
11/1/1993
Apply Now!
6/9/1952 UDEX
Filed on: 6/9/1952
APPARATUS, IN THE NATURE OF A PLANT, FOR TREATMENT OF HYDROCARBON MIXTURES CONTAINING AROMATIC HYDROCARBONS, IN WHICH APPARATUS THE HYDROCARBON MIXTURE IS CONTACTED IN AN EXTRACTION COLUMN WITH A SOLVENT COMPRISING ONE OR MORE GLYCOLS TO FORM A GLYCOL-AROMATIC HYDROCARBON CONTAINING EXTRACT, AND, IN A DISTILLATION COLUMN OF THE APPARATUS, THE EXTRACT IS AT LEAST PARTIALLY VAPORIZED TO RECOVER AN AROMATIC HYDROCARBON PRODUCT EXPIRED
2/6/1995
Apply Now!
12/17/1952 FANSTEEL
Filed on: 12/17/1952
ACID-PROOF CHEMICAL EQUIPMENT-NAMELY, HEAT EXCHANGERS, CONDENSERS, PRESSURE VESSELS OR AUTOCLAVES LINED WITH NON-CORROSIVE MATERIALS FOR CONDUCTING CHEMICAL REACTIONS UNDER PRESSURE, AND DISTILLATION EQUIPMENT-NAMELY, APPARATUS FOR EVAPORATING LIQUIDS AND APPARATUS FOR CONDENSING VAPOR EXPIRED
1/9/1996
Apply Now!
9/23/1954 "LO-CAP"
Filed on: 9/23/1954
HEATERS FOR USE IN LABORATORY DISTILLATION APPARATUS EXPIRED
4/7/1997
Apply Now!