Corrugated panel solar collector
Cosmic and solar ray hot water heater
Cost-effective solar heating system
Coupled toroidal solar collector
Cover for solar heat collector
Cremation apparatus and method
Curtain assembly
Curved heat exchange apparatus for solar heating and air-conditi
Curvilinear solar energy collector
Cylindrical rotary controller for a solar heat system
Cylindrical solar energy collector
Cylindro-parabolical solar energy collector
Damper for solar heating systems and the like
Demountable solar oven
Design of hydraulic circuits for the automatic operation of heli
Detachable insert for solar absorber
Device at heating a liquid by solar energy
Device for collecting solar energy
Device for collecting solar heat
Device for collecting solor energy with mat of intermingled fibe