Device for absorbing radiant heat energy
Device for adjusting reflecting angles of grill reflectors in a
Device for air conditioning a closed space
Device for automatically charging a woodburning stove
Device for capturing solar energy and transferring it onto a rec
Device for changing temperature of material therein
Device for changing temperature of material therein
Device for changing temperature of material therein
Device for collecting emissions from kerosene heaters
Device for collecting solar energy
Device for collecting solar energy
Device for collecting solar energy
Device for collecting solar energy and transferring it to a rece
Device for collecting solar heat
Device for collecting solor energy with mat of intermingled fibe
Device for collecting, transmitting and using solar energy
Device for converting solar energy into process heat
Device for de-humidifying a cooking chamber in an apparatus...
Device for extracting heat from a fireplace
Device for fireplace cooking