Securement of heat exchanger surfaces to tubes by lock seaming a
Serpentine heat exchanger
Shell with integral internal passage and method of making same
Single phase porous layer heat exchanger
Solar absorber plate design
Solar collector-type heat transfer apparatus
Solar heat exchange panel and method of fabrication
Solar heating panel
Strip fin and tube heat exchanger
Substantially flat enamelled metal heat exchanger
Support surface for heating food articles and method of...
System for recovery and utilization of exhaust heat from a refor