| 1/00 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) |
| 1/06 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Portable or mobile, e.g. collapsible |
| 1/08 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Packaged or self-contained boilers, i.e. water heaters with control devices and pump in a single unit |
| 1/10 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) 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 1/5 takes precedence) |
| 1/12 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) 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 1/5 takes precedence) in which the water is kept separate from the heating medium |
| 1/14 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) 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 1/5 takes precedence) in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form |
| 1/16 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) 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 1/5 takes precedence) in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled |
| 1/18 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water-storage heaters (F24H 1/5 takes precedence; combined with water-heating stoves for central heating F24H 1/22) |
| 1/20 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water-storage heaters (F24H 1/5 takes precedence; combined with water-heating stoves for central heating F24H 1/22) with immersed heating elements, e.g. electric elements or furnace tubes |
| 1/22 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) |
| 1/24 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water mantle surrounding the combustion chamber or chambers (F24H 1/4, F24H 1/44 take precedence) |
| 1/26 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water mantle surrounding the combustion chamber or chambers (F24H 1/4, F24H 1/44 take precedence) the water mantle forming an integral body |
| 1/28 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water mantle surrounding the combustion chamber or chambers (F24H 1/4, F24H 1/44 take precedence) the water mantle forming an integral body including one or more furnace or fire tubes |
| 1/30 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water mantle surrounding the combustion chamber or chambers (F24H 1/4, F24H 1/44 take precedence) the water mantle being built-up from sections |
| 1/32 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water mantle surrounding the combustion chamber or chambers (F24H 1/4, F24H 1/44 take precedence) the water mantle being built-up from sections with vertical sections arranged side by side |
| 1/34 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side (F24H 1/24, F24H 1/44 take precedence) |
| 1/36 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side (F24H 1/24, F24H 1/44 take precedence) the water chamber including one or more fire tubes |
| 1/38 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water contained in separate elements, e.g. radiator-type element (F24H 1/4, F24H 1/44 take precedence) |
| 1/40 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water tube or tubes (F24H 1/44 takes precedence) |
| 1/41 | Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater (F24H 7/00, F24H 8/00 take precedence; details F24H 9/00; steam boilers F22B; domestic stoves or ranges with additional provisions for heating water F24B 9/00, F24C 13/00) Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating (F24H 1/5 takes precedence) with water tube or tubes (F24H 1/44 takes precedence) in serpentine form |
