Metal screen solar heat collector wall

Method and a device for the generation of hot air

Method and adaptor for installing flue liner to a fireplace inse

Method and an installation for the air-conditioning of greenhous

Method and apparatus for adjusting airflow in draft inducer

Method and apparatus for automatic furnace

Method and apparatus for burning gas in the combustion chamber o

Method and apparatus for burning solid fuels in a combustion cha

Method and apparatus for burning stacked newspapers in a firepla

Method and apparatus for burning stacked newspapers in a firepla

Method and apparatus for circulating interior gases in an oven

Method and apparatus for clamping incinerator grate bars

Method and apparatus for cleaning a barbecue grill

Method and apparatus for collecting and domestic use of solar he

Method and apparatus for collecting solar energy

Method and apparatus for collecting, intensifying and storing so

Method and apparatus for collecting, storing and transmitting so

Method and apparatus for combined removal and in-situ biodegrada

Method and apparatus for concentrating, harvesting and storing o

Method and apparatus for construction of a solar collector