Phase change material heat exchanger with heat energy...
Rechargeable phase change material unit and food warming device
Thermal energy storage and exchanger device
Thermal retention device with outer covering receiving a warmer
Thermal retention-device
Thermally insulating jacket under reversible vacuum utilizing hy
Ventilation—heating apparatus
Water heating apparatus and refrigerator having the same
Water heating unit with integral thermal energy storage
Water heating unit with integral thermal energy storage
Water heating unit with integral thermal energy storage