Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters

Introduced: September 1968

Last revised: January 2022

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: HEATING; RANGES; VENTILATING
Subclass:: FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL

Steam boilers

Domestic stoves or ranges with additional provisions for heating water ,

water BOILER(S)water heaters for heating CENTRALGEYSERS for heating waterHEATING of waterwater-heating STOVESWATER heaters

8 direct subcodes

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F24H 1/06 Portable or mobile, e.g. collapsible
F24H 1/08 Packaged or self-contained boilers, i.e. water heaters with control devices and pump in a single unit
F24H 1/1 Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
F24H 1/18 Water-storage heaters
F24H 1/22 Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
F24H 1/46 Water heaters having plural combustion chambers
F24H 1/48 Water heaters for central heating incorporating heaters for domestic water
F24H 1/54 Water heaters for bathtubs or pools; Water heaters for reheating the water in bathtubs or pools

Top 10 applicants by patent filingsfor class F24, 2013–2023, worldwide · Source: EPO PATSTAT