Means for exchange and storage of heat or cold from residual...
Means for heating by wood burning
Means for maintaining and controling a sub-atmospheric...
Means for retarding the spread of fire from a space in an...
Means for washing gases
Means of increasing efficiency of cpc solar energy collector
Measuring use of heat or the like at individual zones...
Meat cooking apparatus and method
Meat griller
Mechanical smoke and heat evacuation system
Media filter cabinet for gas furnace
Media microwave oven
Media sampling device
Medical fluid warming system
Megwaheater
Menu driven control system for a cooking appliance
Menu driven control system for a cooking appliance
Metal sheet ventilation/smoke duct section and manufacturing...
Metallurgical smoke filter
Method and a boiler for heating the heat-transfer medium in...