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Roofing system

Stoves and furnaces – Solar heat collector – Solar collector forms part of building roof
Patent

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Roofing system for solar heat collection and method for fabricat

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Roofing tile with thermal conduction device

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Roofing torch

Stoves and furnaces – Heaters – Surface
Patent

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Roofing torch

Stoves and furnaces – Heaters – Surface
Patent

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Rooftop grease containment system and methods of making and...

Stoves and furnaces – Stove hoods
Reexamination Certificate

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Rooftop solar energy collector panel

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Room air recirculating heater with utility compartments and door

Stoves and furnaces – Liquid heater
Patent

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Room exhaust duct

Stoves and furnaces – Stove hoods
Patent

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Room heating apparatus for small spaces

Stoves and furnaces – Stoves – Heating
Patent

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Room heating apparatus using combustion

Stoves and furnaces – Hot-air furnaces – Compressed air
Patent

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Room-heating stove with a retractable fire-prevention spacer

Stoves and furnaces – Fenders
Patent

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Rotary body room air heater

Stoves and furnaces – Hot-air furnaces – Compressed air
Patent

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Rotary continuous ash discharge stoker

Stoves and furnaces – Grates – Rotary
Patent

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Rotary grate

Stoves and furnaces – Grates – Feeding air
Patent

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Rotatable cooker

Stoves and furnaces – Liquid heater – Steam chamber for food
Patent

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Rotatable solar collection system

Stoves and furnaces – Solar heat collector – With control means energized in response to actuator...
Patent

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Rotatable solar-heated water container

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Rotatable, hermetically sealed, tubular, solar heat collecting s

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Rotating air draft fireplace

Stoves and furnaces – Liquid heater
Patent

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