158561 ⎘
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters; 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 in which the water is kept separate from the heating medium using fluid fuel
Sub-classes:HEATING MEDIUM CIRCULATION APPARATUS
#2CONDENSING BOILER FOR USE WITH NON-CONDENSING STACKS
#3Water Heating System
#4HOT WATER SUPPLY APPARATUS AND HOT WATER CONTROL METHOD THEREFOR
#5BURNER VESSEL AND FLUID HEATER
#6HOT WATER APPARATUS
#7NATURAL GAS FLUID HEATING PRE-START SYSTEM
#8Heat exchanger and water heater
#9Heat exchanger and water heater
#10COMBUSTION CHAMBER AND GAS APPARATUS
#11Tankless water heater manifold system
#12Hybrid heater
#13Carryover burners for fluid heating systems and methods thereof
#14Systems and methods for heater control in fluid heating systems
#15TRAPEZOIDAL AIR DISTRIBUTION BAFFLE
#16Gas manifold
#17Water heating apparatus and method for controlling the apparatus
#18Heating and hot water supply system
#19Tankless water heaters and related methods for recreational vehicles
#20HEAT EXCHANGER
#21Heat exchanger for gas appliance and method for manufacturing heat exchanger for gas appliance
#22Water heating apparatus with immediate hot water supply function and water heating system
#23Hot-water supply device
#24Hybrid heater
#25HEAT EXCHANGER AND HOT WATER APPARATUS
#26Combustion apparatus
#27Heat exchanger unit
#28Heat exchanger
#29Gas water heating apparatus
#30Heat exchanger and hot water apparatus
#31Hot water apparatus
#32Hybrid heater
#33PLATE-TYPE HEAT EXCHANGER, HOT WATER APPARATUS, AND METHOD FOR MANUFACTURING PLATE-TYPE HEAT EXCHANGER
#34Hybrid homogenous-catalytic combustion system
#35FLOW CONTROL FOR A CONTINUOUS-FLOW WATER HEATER
#36HEAT EXCHANGER AND MANUFACTURING METHOD FOR UNIT PLATE CONSTITUTING HEAT EXCHANGER
#37Fan assembly and water heater
#38Hybrid heater
#39Vehicle heater
#40Water heater
#41METHOD OF PROVIDING HEAT TO A HEAT EXCHANGER APPARATUS VIA A BURNER
#42BURNER
#43Hot water supply system
#44WATER HEATER AND A METHOD OF PREVENTING THE WATER HEATER FROM EMPTY BOILING
#45Circulating-type hot-water supply device
#46FLOW CONTROL FOR A CONTINUOUS-FLOW WATER HEATER
#47HEATING DEVICE
#48Coil and serpentine bent fin tube condensing heat exchanger
#49Exhaust case and combustion apparatus provided with the same
#50Heat exchanger arrangement, especially for a vehicle heater
#51Heat exchanger arrangement, especially for a vehicle heater
#52Control apparatus for water heater
#53LATENT HEAT RECOVERY TYPE WATER HEATER
#54CONTINUOUS FLOW WATER HEATER THAT MITIGATES THE EFFECT OF ALTITUDE
#55DEVICE AND METHOD FOR PRODUCING GREEN ENERGY
#56Apparatus and control method for a hybrid tankless water heater
#57Gas control method for a hybrid tankless water heater
#58Water heater
#59Heat exchanger arrangement, especially for a fuel-operated vehicle heater
#60Control system methods for networked water heaters
#61Submetering hydrocarbon fueled water heaters with energy manager systems
#62FRESH WATER HEATING SYSTEM FOR MOBILE APPLICATIONS
#63Control system methods for networked water heaters
#64Apparatus and control method for a hybrid tankless water heater
#65Gas heating system for a parts washing machine, and to the method of converting an electric parts washing machine to a gas parts washing machine