158623 ⎘
Air heaters with forced circulation using fluid fuel
VARIABLE-FREQUENCY HEATER
#2SYSTEMS AND METHODS FOR HYBRID HEATING SYSTEM CONTROL
#3Systems and Methods for Detecting Pressure in a Gas Furnace
#4HYBRID FIREPLACE WITH DISPLAY
#5VARIABLE CAPACITY FURNACE
#6Heat exchanger transfer tubes
#7Heater
#8Failsafe gas leak detection and mitigation system and method
#9Firebox assembly for a gas fireplace and gas heating appliance
#10Burner assembly having a baffle
#11ULTRA-LOW NOx BURNER
#12PORTABLE HEATING SYSTEM
#13METHOD AND SYSTEM FOR PROTECTING A SINGLE-STAGE FURNACE IN A MULTI-ZONE SYSTEM
#14GAS FURNACE
#15Gas furnace
#16Heat exchanger transfer tubes
#17Parametrically optimized flameless heater system to generate heat
#18FORCED AIR HEATER INCLUDING MULTIPLE ON-BOARD SOURCES OF ELECTRIC ENERGY
#19Mobile heating apparatus and method
#20SYSTEM AND METHOD FOR OPERATING A PORTABLE AIR HEATER
#21Heater with Flame Display
#22Vehicle heater
#23FORCED AIR HEATER INCLUDING MULTIPLE ON-BOARD SOURCES OF ELECTRIC ENERGY
#24Carrier device
#25Forced air heater including multiple on-board sources of electric energy
#26Multiple stage modulating gas fired heat exchanger
#27HEATING CONVECTORS PROVIDED WITH GAS HEATERS
#28Coupling structure of a case and an air heater body in an air heater
#29Flameless heater
#30VENTURI DISK NON-EXPOSED FLAME AND ELECTRONIC CONTROLS HEATER
#31Heater with flame display
#32Multi-component system for treating enclosed environments
#33Forced air heater including multiple on-board sources of electric energy
#34Dual bypass direct fired heating system with pressure control
#35Forced Air Heater Including On-Board Source of Electric energy
#36Fuel/air furnace mixer
#37Adaptive heating system with exchangeable heat sources
#38Heating device
#39Hot air heater and blower assembly
#40Gas-Fired Portable Unvented Infrared Heater
#41Induced-draft low swirl burner for low NOx emissions
#42Cascading set point burner control system for paint spray booths
#43Thermos at algorithm for fully modulating furnaces
#44Forced air heater including on-board source of electric energy
#45Furnace vent with water-permeable inner pipe
#46Methods and apparatus providing flame-less heat
#47Direct-fired heating system