HPD Heat Producing Diode

Class [11]
Environmental Control Instrument Products (lighting,heating,cooling,cooking)

Heating elements;Elements (Heating -);Electric heating elements;Electrical heating elements;Tubular heating elements;Flat heating elements;Electrical heating elements in the form of foil;Electrical heating elements in the form of cables;Apparatus for heating;Heating apparatus;Underfloor heating apparatus;Electric trace heating;Central heating radiators;Heating apparatus incorporating flues;Air heating apparatus;Solar heating apparatus;Heating apparatus, electric;Electric heating apparatus;Radiators [heating];Central heating apparatus;Electric water heating apparatus;Electric radiant heating apparatus;Electric central heating boiler systems;Heating apparatus for oil;Heat sinks for use in heating apparatus;Central heating boilers;Heating apparatus for solid fuels;Coils for heating;Dampers [heating];Stoves [heating apparatus];Hot air heating apparatus;Steam heating apparatus;Catalytic combustion heating apparatus;Heat exchangers for central heating purposes;Gas boilers for central heating;Hot water heating apparatus;Flexible heating elements for automobile seats;Underfloor heating apparatus and installations;Warm air heating apparatus;Thermoelectric apparatus for heating foodstuffs;Furnaces for central heating;Heating apparatus for use in the treatment of metal;Radiators for central heating installations;Apparatus for controlling temperature in central heating radiators [valves];Temperature controlling apparatus [valves] for central heating radiators;Radiators for central heating systems;Heating boilers;Apparatus for heating foodstuffs;Heating apparatus for foodstuffs;Heating apparatus for furnaces;Temperature responsive control apparatus [thermostatic valves] for central heating radiators;Heating apparatus for liquid fuels;Heating apparatus for gaseous fuels;Heating units;Temperature control apparatus [valves] for central heating radiators;Heating apparatus for use in the home;Filters for use with apparatus heating;Space heating apparatus;Industrial heating apparatus;Apparatus for heating milk;Installations for central heating;Central heating installations;Thermoelectric apparatus for heating beverages;Appliances for heating;Thermal storage apparatus [solar energy] for heating;Electric strip heating units;Saunas (Apparatus for heating -);Combined heating and air conditioning apparatus;Stoves for heating;Underfloor heating installations;Thermal radiators for the heating of buildings;Heating armatures;Coils [parts of distilling, heating or cooling installations];Apparatus and installations for heating;Heating apparatus and installations;Prefabricated furnace elements;Heating rings;Floor heating apparatus;Electric heating installations;Electric radiators for heating buildings;Air heating furnaces;Boilers for central heating installations;Heating installations;Installations for heating;Heating installations [water];Water heating installations;Feeding apparatus for heating boilers;Heating rods;Heating, ventilating, and air conditioning and purification equipment (ambient);Air heating installations;Heating frames;Heaters for heating irons;Filaments, electric (Heating -);Electric heating filaments;Heating filaments, electric;Mobile heating apparatus;Electric space heating apparatus for household use;Heating plates;Cylinders for the heating of water;Water distributor armatures for heating;Heating apparatus for ponds;Heating installations for use with gaseous fuels;Solar energy powered heating apparatus;Flat radiators for central heating installations.