4. Cleaning and liquid contact with solids
  5. Processes
  6. Including work heating or contact with combustion products

Lutz Riefenstein

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Apparatus for the heat treatment of substances, in...

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate

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Heat exchanger device

Stoves and furnaces – Stoves – Cooking
Reexamination Certificate

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Method of automatic cleaning of cooking cavities

Cleaning and liquid contact with solids – Processes – Including work heating or contact with combustion products
Reexamination Certificate

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Suspension or rack frame for apparatus for the heat...

Stoves and furnaces – Stove shelves – Oven shelf or rack
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2919408

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