MATHESON TRI-GAS, INC.

ASK...THE GAS PROFESSIONALS

Instruments, namely, gas chromatographs, process analyzers, laboratory analyzers, gas detectors, safety analyzers, spectyophotometers, spectrometers, detection systems primarily comprised of gas detectors, gas monitors, gas calibration kits comprised of pressure regulators and flowmeters for field calibration of gas detection systems or portable instrumentation, and gas analyzers, regulators and gauges, and controls and parts thereof for the controlled dispensing and measuring of gases in laboratory and industrial use; flow and level instrumentation, namely, flow meters, mass flow transducers, blenders, gas standards generators, flow-totalizers, rotameters, and control valves for measuring and controlling the flow of gases and for the monitoring and control of gases; apparatus for the handling, measuring, and controlled dispensing of compressed gases from cylinders, namely, control valves, pressure regulators for regulating the handling, measuring, and controlled dispensing of compresses gases and cryogenic liquids, flow meters, and gauges; equipment for gas containment and distribution, namely, gas panels, gas cabinets, gas manifolds, switchover systems primarily comprised of more than one gas source, two regulators and a common discharge line, point-of-use distribution panels, pressure regulators, flow valves, monitors, pressure transducers, and pressure monitors; gas detectors and monitors; gas hygrometers; welders, in the nature of electric stick metal arc, tungsten inert gas, metal inert gas, plasma, and submerged arc welders, welding electrodes and wire therefor; protective masks, namely, welding masks, gas masks, and dust masks; protective gloves; and mass flow meters for flow sensing of gases;Gases for medical use;Gases used as fuels;Gases for general industrial use, namely, 1,1,1,2-tetrafluoroethane; 1,1,1-trichioro-2,2,2-trifluoroethane; 1,1,1-trichloroethane; 1,1,2,2-tetrachloroethane; 1,1,2-trichloro-1,2,2-trifluoroethane; 1,1,2-trichloroethane; 1,1-dichloroethylene; 1,1-difluoroethane; 1,2-dichiorotetrafluoroethane; 1,3 butadiene; 1-butene; 1-chloro-2-propanol; 1-chloropropane; 1-hexene; 1-octene; 1-pentene; 2,2,4-trimethylpentane; 2,3-dimethylbutane; 2,4-dimethylpentane; 2,5-dimethyithiophene; 2-ethylbutene-1; 2-hexene; 2-methyl butraldehyde; 2-methyl-1-butene; 2-methyl-2-butene; 2-methylbutane; 2-methyihexane; 2-methylpentane; 2-methyithiophene; 2-pentene; 2-propanol; 3,3-dimethyl-1-butene; 3-methyl-1-butene; 3-methylpentane; 4-methyl-1-pentene; 4-vinylcyclohexene; carbon monoxide; carbon dioxide and nitrogen; ethanol in air; acetaldehyde; acetone; acetonitrile; acetylacetone; acetylene; acrolein; acrylonitrile; acrylonitrile; compressed air; allene; ammonia; antimony pentafluoride; argon; argon and carbon dioxide mixture; argon and helium mixture; argon and oxygen mixture; arsenic fluoride; arsenic pentafluoride; arsine; benzene; benzoic acid; benzyl-D7 chionde; bis, 2-methoxyethyl adipate; boron trichloride; boron trifluoride; bromine pentafluoride; bromine trifluoride; bromochiorodifluoromethane; bromotrifluoroethylene; butadiene; butyl benzene; butyl mercaptan; butyl nitrate; calibration gas; carbon dioxide; carbon dioxide in argon and helium mixture; carbon disulfide; carbon monoxide; carbon monoxide in air; carbon monoxide in nitrogen; carbontetrachloride; carbonyl fluoride; carbonyl sulfide; alpha-hydro-omega-hydroxy-poly(oxy-1,2-ethanediyl); chlorine; chlorine trifluoride; multi component mixture containing volatile organics in trace quantities with balance gas nitrogen; chlorobenzene; chlorodifluoromethane; chloroform; chloroiodomethane; chloropentafluoroethane; chlorotrifluoromethane; cinnamaldehyde; cis-1,2-dichloroethylene; cis-2-butene; cis-2-pentene; cumene; cyanogen; cyanogen chloride; cyclohexane; cyclohexanone; cyclopentane; cyclopropane; deuterium; diborane; dibromomethane; dibutyl ether; dichlorodifluoromethane; dichloromethane; dichloromonofluoromethane; dichiorosilane; dichlorotetrafluoroethane; diethyl disufide; diethyl telluride; difluorodibromomethane; difluoromonochloroethane; digermane; dimethyl ether; dimethyl sulfate; dimethyl sulfide; dimethyl sulfoxide; dimethylamine; dimethyl zinc; dipropyl ether; disilane; dodecane; 2-chloro-1-difluoromethoxy-1,1,2-trifluoroethane; ethane; ethanol; ethyl acetate; ethyl acetylene; ethyl acrylate; ethyl alcohol; ethyl benzene; ethyl chloride; ethyl cyclohexane; ethyl ether; ethyl formate; ethyl mercaptan; ethyl methyl sulfide; ethyl sulfide; ethylamine; ethylene; ethylene dichloride; ethylene glycol; ethylene glycol dimethyl ether; ethylene glycol monomethyl ether; ethylene oxide and nitrogen; ethyleneoxide; fluorine; trifluoromethane; fluorotrichloromethane; 2-chloro-2-difluoromethoxy-1,1,1-trifluoroethane; formaldehyde gas; furan; furfuryl alcohol; germanium tetrachloride; germanium etrahydride; trichlorofluoromethane; chlorotrifluoroethylene; trichlorotrifluoroethane; 1,2-dichloro-1,1,2,2-tetrafluoroethane; hexafluoroethane; dichlorodifluoromethane; chlorotrifluoromethane; 1,1,1,2-tetrafluoroethane; bromotrifluoromethane; carbon tetrafluoride; monochlorodifluoromethane; trifluoromethane; octafluorocyclobutane; 1,1,1-trifluoro-2-chloro-2-bromoethane; helium; heptane; hexafluoroethane; hexafluoropropene; hexafluorpropylene; hydriodic acid; hydrogen; hydrogen bromide; hydrogen chloride; hydrogen cyanide; hydrogen fluoride; hydrogen selenide; hydrogen sulfide; hydrogen iodide; iodine pentafluoride; isobutane; isobutene; isobutyl alcohol; isobutyl nitrate; isobutylene; isohexene; isopentane; isoprene; isopropyl alcohol; isopropyl chloride; isopropyl ether; isopropyl mercaptan; krypton; methane; methane in argon, helium and nitrogen or air mixture; methane; methane and hydrogen gas mixture; methanol; methoxyflurane; methyl acetate; methyl acetylene; methyl acrylate; methyl alcohol; methyl bromide; methyl chloride; methyl chloroform; methyl disulfide; methyl ethyl ketone; methyl fluoride; methyl formate; methyl iodide; methyl isobutyl ketone; methyl mercaptan; methyl methacrylate; methyl propionate; methyl salicylate; methyl tert-butyl ether; methyl vinyl ketone; dimethoxymethane; methylamine; methylcyclopentane; methylene bromide; methylene fluoride; monomethylamine; m-xylene; n-amylamine; metal oxides and metal chlorides; metal oxides, metal bromides absorbed hydrogen bromide on compound, and hydrogen bromide vapor; metal oxides, metal chlorides, absorbed hydrogen chloride on compound, and hydrogen chloride vapor; organolithium polymer, lithium amide, and anhydrous ammonia; organolithium, sulfur hexafluoride, and lithium hydride; organolithium polymer and lithium hydride; metal oxides; naphthalene; n-butane; n-butyl acetate; n-butyl alcohol; n-butyl sulfide; n-butyraldehyde; n-decane; neohexane; neon; neopentane; n-heptane; n-hexane; nickel carbonyl; nitric oxide; nitric oxide and nitrogen mixture; nitric oxide and sulfur dioxide and nitrogen gas mixture; nitrogen dioxide; nitrogen trifluoride; nitrosyl chloride; nitrous oxide; n-octane; nonane; n-pentane; n-propyl acetate; n-propyl alcohol; octafluorocyclobutane; octafluorocyclopentene; octane; o-dichlorobenzene; oxides of nitrogen in nitrogen; oxygen in nitrogen; oxygen, compressed gas; oxygen and nitrogen gas mixture; o-xylene; pentane; perfluoro-2-butene; perfluoropropane; permanganate and alkali impregnated diatomaceous earth; phosgene; phosphine; phosphine pentafluoride; phosphorus pentafluoride; phosphorus trifluoride, piperidine; tetraethylene glycol dimethyl ether and sodium naphthalene complex; ethylene glycol dimethyl ether and sodium naphthalene complex; propane; propane in air; propane in nitrogen; propionaldehyde; propyl mercaptan; propylene; propylene oxide; p-xylene; pyridine; arsenic fluoride; arsine; boron trifluoride; germanium tetrafluoride; phosphine; silicon tetrafluoride; sec-butyl alcohol; silane; silicon tetrachloride; silicon tetrafluoride; sodium dichromate; sodium dispersion in mineral spirits; sodium dispersion in naphthalene; sodium dispersion in transformer oil; sodium metal dispersion in organic solvent; sodium metal; sodium methylate; sodium shot; styrene; styrene monomer; sulfur dioxide; sulfur dioxide in air; sulfur dioxide in nitrogen; sulfur dioxide and nitrogen mixture; sulfur hexafluoride; sulfur tetrafluoride; sulfuryl fluoride; tert-butyl chloride; tert-butyl mercaptan; tetrachloroethylene; tetraethylene glycol dimethyl ether; tetraethylorthosilicate; tetrafluoroethylene; tetrafluoromethane; tetrahydrofuran; tetrahydronaplithalene; thiophene; titanium tetrachloride; toluene; trans-1,2-dichloroethylene; trans-2-butene; trans-2-pentene; trans-3-hexene; trans-3-hexene; transition metal salt impregnated diatomaceous earth; trichioroethylene; trichlorsilane; triethyl phosphite; triethylene glycol; trifluorochloroethylene; trifluoromonobromomethane; trimethyl phosphite; trimethylamine; tungsten hexafluoride; undecane; valeraldehyde; vinyl acetate; vinyl bromide; vinyl chloride; vinyl fluoride; vinyl methyl ether; vinylidene chloride; vinylidene fluoride; xenon; zinc arsenide; enriched stable isotopes; stable isotope labeled compounds; and liquefied gases, namely, argon, carbon dioxide, nitrogen oxide, oxygen, and o-dichlorobenzene;Apparatus for the handling, measuring, and controlled dispensing of compressed gases in cylinders, namely, separators for filtering and purifying compressed gases, gas scrubbers and oxygen generators;

AUTO-PURGE LNX

gas control systems and components; namely, gas source controllers, gas distribution controllers and interfaces;AUTO-PURGE;

E-LASSO

Radio frequency identification (RFID) system comprised of electronic hardware, namely, RFID tags and readers, and computer software for use in connection with supply chain management of gases to monitor the location of gas cylinders and to monitor gas pressure, gas liquid level, gas temperature and gas leaks;

E-LASSO

Radio frequency identification (RFID) system comprised of electronic hardware, namely, RFID tags and readers, and computer software for use in connection with supply chain management of gases to monitor the location of gas cylinders and to monitor gas pressure, gas liquid level, gas temperature and gas leaks;

GASSCANNER

Gas detection product;GAS SCANNER;

GASSCANNER

Gas detectors for detecting the presence of gas;GAS SCANNER;

LABGAS SYSTEMS

high purity modular gas distribution panel system comprised of regulator section(s), purifier section(s), single and/or multi-gas outlet section(s), gas alert section(s), zero air section(s), expansion section(s) and/or generator section(s);LAB GAS SYSTEMS;SYSTEM;

LAR-GO

Gases, namely, liquid argon and liquid oxygen;

LAR-GO

Gases, namely, liquid argon and liquid oxygen for industrial purposes;

LASERPRO

Electronic switchover devices, namely, electronic switches for switching between gas supply units, for use in connection with the supply of gases used for welding purposes; mechanical switches being parts of laser welding devices;LASER PRO;Gas regulators for use in connection with the supply of gases used for welding and cutting purposes;

LASERPRO

Apparatus and instruments for conducting, switching, transforming, distributing, accumulating, transmitting, regulating or controlling gases and fluids, namely, regulators and gauges, and controls and parts thereof for the controlled dispensing and measuring of gases, flow meters, rotameters, control valves, gas panels, gas manifolds, switchover systems, distribution panels, pressure regulators, and flow valves;LASER PRO;

LASSO

Radio frequency identification (RFID) system comprised of electronic hardware, namely, RFID tags and readers, and computer software for use in connection with supply chain management of gases to monitor the location of gas cylinders and to monitor gas pressure, gas liquid level, gas temperature and gas leaks;

LINWELD ASK ... THE GAS PROFESSIONALS

Manufacture of liquefied and compressed gases, namely, oxygen, nitrogen and argon, for industrial and medical use for the specification of others;The mark consists of the stylized, underlined term LINWELD. Below this term appears the wording ASK¿THE GAS PROFESSIONALS. To the left of the wording is a design of overlapping circles.;Color is not claimed as a feature of the mark.;Wholesale distributorship and retail store services featuring welding supplies, air cleaning equipment, speciality gases and liquid, industrial and medical gases, industrial and medical liquid, automated cutting and welding equipment, industrial supplies, safety equipment and supplies; distributorship in the field of liquefied and compressed gases, namely, oxygen, nitrogen and argon, for industrial and medical use;

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[ GASES FOR LABORATORY AND INDUSTRIAL USE ];INSTRUMENTS AND CONTROLS, AND PARTS THEREOF, FOR THE CONTROLLED DISPENSING AND/OR MEASURING OF GASES IN LABORATORY AND INDUSTRIAL USE;

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instruments and controls, and parts thereof; for the controlled dispensing and/or measuring of gases in laboratory and industrial use;M;[ gases for laboratory and industrial use ];

MATHESON

APPARATUS FOR THE HANDLING, MEASURING AND CONTROLLED DISPENSING OF COMPRESSED GASES IN CYLINDERS-NAMELY, VALVES, REGULATORS, FLOW METERS, FILTERS AND GAUGES; AND HYDROGEN GENERATORS AND TOXIC GAS DETECTORS;

MATHESON ASK...THE GAS PROFESSIONALS

The mark consists of the words MATHESON ask...The Gas Professionals and an overlapping circles design.;Gases for medical use;Gases used as fuel;Color is not claimed as a feature of the mark.;Gases for general industrial use, namely, 1,1,1,2-tetrafluoroethane; 1,1,1-trichioro-2,2,2-trifluoroethane; 1,1,1-trichloroethane; 1,1,2,2-tetrachloroethane; 1,1,2-trichloro-1,2,2-trifluoroethane; 1,1,2-trichloroethane; 1,1-dichloroethylene; 1,1-difluoroethane; 1,2-dichiorotetrafluoroethane; 1,3 butadiene; 1-butene; 1-chloro-2-propanol; 1-chloropropane; 1-hexene; 1-octene; 1-pentene; 2,2,4-trimethylpentane; 2,3-dimethylbutane; 2,4-dimethylpentane; 2,5-dimethyithiophene; 2-ethylbutene-1; 2-hexene; 2-methyl butraldehyde; 2-methyl-1-butene; 2-methyl-2-butene; 2-methylbutane; 2-methyihexane; 2-methylpentane; 2-methyithiophene; 2-pentene; 2-propanol; 3,3-dimethyl-1-butene; 3-methyl-1-butene; 3-methylpentane; 4-methyl-1-pentene; 4-vinylcyclohexene; carbon monoxide; carbon dioxide and nitrogen; ethanol in air; acetaldehyde; acetone; acetonitrile; acetylacetone; acetylene; acrolein; acrylonitrile; acrylonitrile; compressed air; allene; ammonia; antimony pentafluoride; argon; argon and carbon dioxide mixture; argon and helium mixture; argon and oxygen mixture; arsenic fluoride; arsenic pentafluoride; arsine; benzene; benzoic acid; benzyl-D7 chionde; bis, 2-methoxyethyl adipate; boron trichloride; boron trifluoride; bromine pentafluoride; bromine trifluoride; bromochiorodifluoromethane; bromotrifluoroethylene; butadiene; butyl benzene; butyl mercaptan; butyl nitrate; calibration gas; carbon dioxide; carbon dioxide in argon and helium mixture; carbon disulfide; carbon monoxide; carbon monoxide in air; carbon monoxide in nitrogen; carbontetrachloride; carbonyl fluoride; carbonyl sulfide; alpha-hydro-omega-hydroxy-poly(oxy-1,2-ethanediyl); chlorine; chlorine trifluoride; multi component mixture containing volatile organics in trace quantities with balance gas nitrogen; chlorobenzene; chlorodifluoromethane; chloroform; chloroiodomethane; chloropentafluoroethane; chlorotrifluoromethane; cinnamaldehyde; cis-1,2-dichloroethylene; cis-2-butene; cis-2-pentene; cumene; cyanogen; cyanogen chloride; cyclohexane; cyclohexanone; cyclopentane; cyclopropane; deuterium; diborane; dibromomethane; dibutyl ether; dichlorodifluoromethane; dichloromethane; dichloromonofluoromethane; dichiorosilane; dichlorotetrafluoroethane; diethyl disufide; diethyl telluride; difluorodibromomethane; difluoromonochloroethane; digermane; dimethyl ether; dimethyl sulfate; dimethyl sulfide; dimethyl sulfoxide; dimethylamine; dimethyl zinc; dipropyl ether; disilane; dodecane; 2-chloro-1-difluoromethoxy-1,1,2-trifluoroethane; ethane; ethanol; ethyl acetate; ethyl acetylene; ethyl acrylate; ethyl alcohol; ethyl benzene; ethyl chloride; ethyl cyclohexane; ethyl ether; ethyl formate; ethyl mercaptan; ethyl methyl sulfide; ethyl sulfide; ethylamine; ethylene; ethylene dichloride; ethylene glycol; ethylene glycol dimethyl ether. ethylene glycol monomethyl ether; ethylene oxide and nitrogen; ethyleneoxide; fluorine; trifluoromethane; fluorotrichloromethane; 2-chloro-2-difluoromethoxy-1,1,1-trifluoroethane; formaldehyde gas; furan; furfuryl alcohol; germanium tetrachloride; germanium tetrahydride; trichlorofluoromethane; chlorotrifluoroethylene; trichlorotrifluoroethane; 1,2-dichloro-1,1,2,2-tetrafluoroethane; hexafluoroethane; dichlorodifluoromethane; chlorotrifluoromethane;1,1,1,2-tetrafluoroethane; bromotrifluoromethane; carbon tetrafluoride; monochlorodifluoromethane; trifluoromethane; octafluorocyclobutane; 1,1,1-trifluoro-2-chloro-2-bromoethane; helium; heptane; hexafluoroethane; hexafluoropropene; hexafluorpropylene; hydriodic acid; hydrogen; hydrogen bromide; hydrogen chloride; hydrogen cyanide; hydrogen fluoride; hydrogen selenide; hydrogen sulfide; hydrogen iodide; iodine pentafluoride; isobutane; isobutene; isobutyl alcohol; isobutyl nitrate; isobutylene; isohexene; isopentane; isoprene; isopropyl alcohol; isopropyl chloride; isopropyl ether; isopropyl mercaptan; krypton; methane; methane in argon, helium and nitrogen or air mixture; methane; methane and hydrogen gas mixture; methanol; methoxyflurane; methyl acetate; methyl acetylene; methyl acrylate; methyl alcohol; methyl bromide; methyl chloride; methyl chloroform; methyl disulfide; methyl ethyl ketone; methyl fluoride; methyl formate; methyl iodide; methyl isobutyl ketone; methyl mercaptan; methyl methacrylate; methyl propionate; methyl salicylate; methyl tert-butyl ether; methyl vinyl ketone; dimethoxymethane; methylamine; methylcyclopentane; methylene bromide; methylene fluoride; monomethylamine; m-xylene; n-amylamine; metal oxides and metal chlorides; metal oxides, metal bromides absorbed hydrogen bromide on compound, and hydrogen bromide vapor; metal oxides, metal chlorides, absorbed hydrogen chloride on compound, and hydrogen chloride vapor; organolithium polymer, lithium amide, and anhydrous ammonia; organolithium, sulfur hexafluoride, and lithium hydride; organolithium polymer and lithium hydride; metal oxides; naphthalene; n-butane; n-butyl acetate; n-butyl alcohol; n-butyl sulfide; n-butyraldehyde; n-decane; neohexane; neon; neopentane; n-heptane; n-hexane; nickel carbonyl; nitric oxide; nitric oxide and nitrogen mixture; nitric oxide and sulfur dioxide and nitrogen gas mixture; nitrogen dioxide; nitrogen trifluoride; nitrosyl chloride; nitrous oxide; n-octane; nonane; n-pentane; n-propyl acetate; n-propyl alcohol; octafluorocyclobutane; octafluorocyclopentene. octane; o-dichlorobenzene; oxides of nitrogen in nitrogen; oxygen in nitrogen; oxygen, compressed gas; oxygen and nitrogen gas mixture; o-xylene; pentane; perfluoro-2-butene; perfluoropropane; permanganate and alkali impregnated diatomaceous earth; phosgene; phosphine; phosphine pentafluoride; phosphorus pentafluoride; phosphorus trifluoride, piperidine; tetraethylene glycol dimethyl ether and sodium naphthalene complex; ethylene glycol dimethyl ether and sodium naphthalene complex; propane; propane in air; propane in nitrogen; propionaldehyde; propyl mercaptan; propylene; propylene oxide; p-xylene; pyridine; arsenic fluoride; arsine; boron trifluoride; germanium tetrafluoride; phosphine; silicon tetrafluoride; sec-butyl alcohol; silane; silicon tetrachloride; silicon tetrafluoride; sodium dichromate; sodium dispersion in mineral spirits; sodium dispersion in naphthalene; sodium dispersion in transformer oil; sodium metal dispersion in organic solvent; sodium metal; sodium methylate; sodium shot; styrene; styrene monomer; sulfur dioxide; sulfur dioxide in air; sulfur dioxide in nitrogen; sulfur dioxide and nitrogen mixture; sulfur hexafluoride; sulfur tetrafluoride; sulfuryl fluoride; tert-butyl chloride; tert-butyl mercaptan; tetrachloroethylene; tetraethylene glycol dimethyl ether; tetraethylorthosilicate; tetrafluoroethylene; tetrafluoromethane; tetrahydrofuran; tetrahydronaplithalene; thiophene; titanium tetrachloride; toluene; trans-1,2-dichloroethylene; trans-2-butene; trans-2-pentene; trans-3-hexene; trans-3-hexene; transition metal salt impregnated diatomaceous earth; trichioroethylene; trichlorsilane; triethyl phosphite; triethylene glycol; trifluorochloroethylene; trifluoromonobromomethane; trimethyl phosphite; trimethylamine; tungsten hexafluoride; undecane; valeraldehyde; vinyl acetate; vinyl bromide; vinyl chloride; vinyl fluoride; vinyl methyl ether; vinylidene chloride; vinylidene fluoride; xenon; zinc arsenide; enriched stable isotopes; stable isotope labeled compounds; and liquefied gases, namely, argon, carbon dioxide, nitrogen oxide, oxygen, and o-dichlorobenzene;