73217891
May 31, 1979
May 5, 1981
Active Trademark
Electrostatic Air Filters; Electrical, Mechanical, and Pneumatic Controls for Heating and Air Conditioning Equipment; Electrical Controls for Controlling the Charge in Refrigeration Systems; and Parts Therefor
Electrical and Scientific ApparatusRefrigeration Units; Fluid, Air, and Water Heaters and Coolers for Domestic, Commercial, and Industrial Uses; Air Delivery and Handling Units for Cooling; Heating, and Ventilating Domestic, Commercial, and Industrial Buildings, and for Use in Commercial Process Applications; Air Induction Units; Air Filters, Humidifiers, Ventilators, Diffusers, Blenders, and Convectors; Refrigerant Condensers, Evaporators, and Absorbers; Fans and Blowers; Boilers; Electric, Gas, and Oil Furnaces; Heat Pumps; Hydrocarbon Fuel Burners, Incinerators; Heat Exchangers for Use in Heat Transfer for Industrial and Commercial Uses; Shell and Tube, Fin and Tube, and Plate and Fin Heat Exchangers; and Parts Therefor REFRIGERATION UNITS; FLUID, AIR, AND WATER HEATERS AND COOLERS FOR DOMESTIC, COMMMERCIAL, AND INDUSTRIAL USES; AIR DELIVERY AND HANDLING UNITS FOR COOLING; HEATING, AND VENTILATING DOMESTIC, COMMERCIAL, AND INDUSTRIAL BUILDINGS, AND FOR USE IN COMMERCIAL PROCESS APPLICATIONS; AIR INDUCTION UNITS; AIR FILTERS, HUMIDIFIARS, VENTILATORS, DIFFUSERS, BLENDERS, AND CONVECTORS; REFRIGERANT CONDENSERS, EVAPORATORS, AND ABSORBERS; FRANS AND BLOWERS; ((BOILERS;)) ELECTRIC, GAS, AND OIL FURNACES; HEAT PUMPS; HYDROCARBON FUEL BURNERS, INCINERATORS; HEAT EXCHANGERS FOR USE IN HEAT TRANSFER FOR INDUSTRIAL AND COMMERCIAL USES; SHELL AND TUBE, FIN AND TUBE, AND PLATE AND FIN HEAT EXCHANGERS; AND PARTS THEREFOR
Environmental Control ApparatusRental of Tools for the Repair of Heating and Air Conditioning Equipment; Chemical and Metallurgical Analysis of Heating and Air Conditioning Equipment; Analyzing the Heating and Air Conditioning Requirements of Others by Means of a Computer; and Consulting Services in the Field of Heating and Air Conditioning Requirements
Computer and Scientific