|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

LIGHTING AND HEATING

|  | F24 |
HEATING; RANGES; VENTILATING (protecting plants by heating in gardens, orchards, or forests Fulltext... Hierarchy... Expanded...A01G 13/06; baking ovens and apparatus Fulltext... Hierarchy... Expanded...A21B; cooking devices other than ranges Fulltext... Hierarchy... Expanded...A47J; specially adapted for vehicles, see the relevant sub-classes of classes Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...B60-B64; combustion apparatus in general Fulltext... Hierarchy... Expanded...F23; drying Fulltext... Hierarchy... Expanded...F26B; ovens in general Fulltext... Hierarchy... Expanded...F27; electric heating elements and arrangements Fulltext... Hierarchy... Expanded...H05B)

|  | F24 |
Note(s) In this class, the following words are used with the meanings indicated: "Stove" includes an open fire. "Range" means an apparatus for cooking having elements that perform different cooking operations or cooking and heating operations.

|  | F24B |
DOMESTIC STOVES OR RANGES FOR SOLID FUELS

|  | F24C |
OTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES AND RANGES, OF GENERAL APPLICATION (radiator stoves of the fluid-circulating type Fulltext... Hierarchy... Expanded...F24H)

|  | F24D |
DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS (preventing corrosion Fulltext... Hierarchy... Expanded...C23F; water supply in general Fulltext... Hierarchy... Expanded...E03; elements and components of the systems Fulltext... Hierarchy... Expanded...F24H; combined heating and refrigeration systems Fulltext... Hierarchy... Expanded...F25B; removing furring Fulltext... Hierarchy... Expanded...F28G; control in general Fulltext... Hierarchy... Expanded...G05)

|  | F24F |
AIR-CONDITIONING; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (devices for ventilating greenhouses Fulltext... Hierarchy... Expanded...A01G; disinfecting or sterilising of air Fulltext... Hierarchy... Expanded...A61L; devices for reconditioning breathing air in sealed rooms or for ventilating gas-proof shelters Fulltext... Hierarchy... Expanded...A62B; filtering, washing or drying of gases Fulltext... Hierarchy... Expanded...B01D; humidifying gases Fulltext... Hierarchy... Expanded...B01F 3/02; Fulltext... Hierarchy... Expanded...B01F 3/04; spraying Fulltext... Hierarchy... Expanded...B05B; removing dirt or fumes from areas where they are produced Fulltext... Hierarchy... Expanded...B08B 15/00; production of ozone Fulltext... Hierarchy... Expanded...C01B 13/10; chimneys or flues Fulltext... Hierarchy... Expanded...E04F 17/02, Fulltext... Hierarchy... Expanded...E04H 12/28, Fulltext... Hierarchy... Expanded...F23J 11/00, Fulltext... Hierarchy... Expanded...F23L 17/02; air ducts or conduits Fulltext... Hierarchy... Expanded...E04F 17/04, Fulltext... Hierarchy... Expanded...F16L; ventilation in doors or windows Fulltext... Hierarchy... Expanded...E06B 7/02; fans, blowers Fulltext... Hierarchy... Expanded...F04; noise-absorbing in pipes or pipe systems Fulltext... Hierarchy... Expanded...F16L; tops for chimneys or ventilating shafts Fulltext... Hierarchy... Expanded...F23L; cooling Fulltext... Hierarchy... Expanded...F25; ventilation or air-conditioning specially adapted for vehicles, see the relevant vehicle classes)

|  | F24F |
Note(s) In this sub-class: The following terms are used with the meanings indicated: "Air-conditioning" means the supply of air to rooms or spaces by means which provide for the treatment of the air in at least two of the following ways: heating, cooling, any other kind of treatment, e.g. humidification. "Ventilation" means the supply of air to, or its extraction from, rooms or spaces, and systems for circulating air within rooms or spaces, but does not cover the mere heating of rooms or spaces by the supply of heated air. The supply or circulation systems may include means for cooling the air or for treating the air in any other way than cooling or heating.

|  | F24H |
WATER HEATERS; AIR HEATERS OR CONVECTION TYPES; ELEMENTS OR COMPONENTS OF DOMESTIC-HEATING OR HOT-WATER SUPPLY SYSTEMS (control valves per se Fulltext... Hierarchy... Expanded...F16K; steam traps or the like air venting Fulltext... Hierarchy... Expanded...F16T; steam boilers Fulltext... Hierarchy... Expanded...F22; combustion apparatus Fulltext... Hierarchy... Expanded...F23; construction of radiator or other heat-exchange elements Fulltext... Hierarchy... Expanded...F28F; control devices per se Fulltext... Hierarchy... Expanded...G05; electric heating elements or arrangements Fulltext... Hierarchy... Expanded...H05B)

|  | F24H |
Note(s) In this sub-class: The term "heater" refers not only to the heat-producing apparatus but also includes the apparatus by which heat is transferred to water or air.

|  | F24J |
PRODUCING HEAT, USING HEAT, OR HEATING, NOT OTHERWISE PROVIDED FOR (engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. Fulltext... Hierarchy... Expanded...F03G for using solar energy)