Metal hardware, namely, metal spring bearings intended to be inserted on damper blades for the purpose of regulating and adjusting the flow of air in HVAC ducts, sold separately
metal parts, namely, a cleat for creating a secure seal between ducts, along the flange located between the bolted corner portions of the flange, for joining ducts; "CLEAT"
A system for structurally reinforcing lengths of a duct conduit, the system comprising primarily metal bolts, and a pair of metal friction-fit threaded inserts for the ends of an internal reinforcing tube or pipe, which tube or pipe extends across the interior of the conduit
adhesive backed metal fasteners namely, a pin bendably secured to an adhesive backed metal plate with a metal washer for securing insulation to heating, ventilating and air conditioning
Metal flange connecting system comprised of flanges, corners and cleats, nosing and hanging straps, S-locks, vanes and rails, [ corner injector tool, ] cleat tool and crimping tool and non-metal gasket material for the metal flange, for connecting ducts
STOCK MATERIAL FOR FORMING VIBRATION DAMPING CONNECTORS FOR CONNECTING AIR DUCT SEGMENTS FORMING VENTILATION, HEATING AND AIR CONDITIONING SYSTEMS; NAMELY SPACED METAL STRIPS CONNECTED BY A TUBULAR FABRIC CONFIGURATION, AND INTENDED TO BE CONNECTED THROUGH THE METAL STRIPS TO ADJACENT DUCT SEGMENTS SOLD TO HEATING AND AIR CONDITIONING SUPPLY WHOLESALERS, SHEET METAL SHOPS AND HEATING AND AIR CONDITIONING CONTRACTORS
Vibration isolators, made primarily of metal, for duct work namely, connector material for coupling spaced heating and air conditioning ducts while damping transmission of vibration between the ducts
AIR CONDITIONING AND HEATING APPARATUS, NAMELY, DAMPERS AND PARTS AND FITTINGS THEREFOR; DRIVES, INDICATORS, BEARINGS AND BRACKETS EXCLUSIVELY DESIGNED FOR USE IN CONJUNCTION WITH AIR CONDITIONING AND HEATING SYSTEM DAMPERS
DAMPERS AND DAMPER REGULATORS AND PARTS THEREOF FOR USE IN HEATING AND AIR CONDITIONING SYSTEMS AND CONTROL HARDWARE AND CLIPS FOR ASSEMBLING THE SAME IN DUCTS
Thermostats, Motor Activated Damper Regulators, Relays, Control Panels for Air Circulating Systems, Transformers, Switches, Electrical Welding Equipment-Namely, Welding Transformers, Welding Pins and Clips, Welding Electrodes; Electrical Welding Cables and Clamps; Air Conditioning and Heating Regulating and Control Systems-Namely, Combination Packages Including Control Panels, Thermostats, Motorized Dampers, Transformers and Circuitry for the Control of Blower and Heating Elements; Hand Tool Parts-Namely, Drill Bits, Rivet Setters, Chucks for Driving Conventional and Hex Headed Sheet Metal Screws but Not Including Mechanics Hand Tools; Manual and Automatic Machines for Fabrication of Ducts and Duct Components-Namely, Coating Machines for Applying Insulation to Ducts, Welding Machines for Securing Welding Pins to Ducts, Insulation Cutting Machines,[ Cleat Forming Machines, Angle Iron Production Machines, ] Stapling Machines, Pneumatic Rivet Setting Machines; Metal Hardware for Air Conditioning, Heating and Ventilating Systems for Use in Metal and Fiberglass Duct Systems-Namely, Air Flow Regulator and Control Hardware for Air Conditioning, Heating and Ventilating Systems for Use in Metal and Fiberglass Duct Systems-Namely, Flexible Duct Connector Stock Strips Packaged in Coils and Extended Lengths and Duct Fabric Therefor, Mounting Fixtures of Air Turning Vane Assemblies, Louver Turning Brackets, Louver Blades, and Unassembled Component Sets for Damper Blades Comprising Bushings, Bearing Pins, Bearing Straps, Brackets, Damper Blades, Pins, Rods, Multi-Blade Damper Linkage Sets, Dampers and Component Part Sets Therefor, Plain Damper and Dial Damper Regulators and Unassembled Component Part Sets, Damper Quadrants and Part Sets, Connectors and Clips for Attachment to Fiberglass Ducts, Hinges, Sheet Metal Screws, Self-Tapping Screws, Self-Drilling Screws, Rivets-Namely, Blind Rivets, Damper Rod Clips, Heat Fusible Links for Dampers, Duct Access Door Assemblies and Latches Therefor, Staples, Welding Clips and Pins; Liquid Duct Sealer, Duct Sealer Membranes, Caulking Material for Duct Joints, Adhesive Backed Gasketting Material for Ducts; Fiberglass Air Turning Vanes, [ Sealing Tape for Fiberglass Ducts, ] Insulating Access Doors for Fiberglass Ducts and Flexible Duct Connector Material in the Form of Fabric Strip for Sealing Spaces Between Adjacent Duct Sections; Fabric in Strip Form for Use in Sealing Spaces Between Adjacent Air Conduit Ducts; Adhesive for Attaching Insulation Materials to Air Conditioning and Heating Ducts, Packaged in Bulk and in Spray Cans
THERMOSTATIC CONTROL UNITS FOR HOT AND COLD AIR SYSTEMS; CONTROL MECHANISM FOR HOT AND COLD AIR SYSTEMS-NAMELY, DAMPERS, DAMPER BLADES, AND MOTOR DRIVEN DAMPER CONNECTORS
Air Conditioning, Heating and Ventilating Accessory Parts-Namely, Flexible Duct Connector Stock Strips Packaged in Coils and Extended Lengths and Duct Fabric Therefor, Mounting Fixtures of Air Turning Vane Assemblies, Louver Turning Brackets, Louver Blades, and Unassembled Component Sets for Damper Blades Comprising Bushings, Bearing Pins, Bearing Straps, Brackets, Damper Blades, Pins, Rods, Multi-Blade Damper Linkage Sets, Dampers and Component Part Sets Therefor, Plain Damper and Dial Damper Regulators and Unassembled Component Part Sets, Damper Quadrants and Part Sets
Air Conditioning, Heating, and Ventilating Installation Parts-Namely, Flexible Duct Connector Stock of Strips of Duct Fabric Clinched to Sheet Metal, Packaged in Coils and Extended Lengths
Air Conditioning, Heating, and Ventilating Installation Parts-Namely, Flexible Duct Connector Stock of Strips of Duct Fabric Clinched to Sheet Metal, Packaged in Coils and Extended Lengths
Thermostats for hot and cold air systems as part of heating and cooling installations; Mechanical control mechanism for hot and cold air systems, namely, dampers, damper blades, and motor driven damper connectors
