155942 ⎘
Special features of, or arrangements for combustion apparatus using solid fuels; Combustion processes therefor Combustion chambers with integrated fuel hopper
Control mechanism and method of a hybrid heating system
#2Forced primary and forced secondary air biomass internal combustion top-lid updraft cook stove
#3Combi stove and use of a combi stove
#4Cooking grill using pellet fuel
#5Biomass pellet stove
#6Highly efficient wood stove/heater
#7Wood pellet burner unit with sliding floor hopper