Machine for softening an asphalt road surface
Manifold arrangement
Means and methods of preventing the loss of solar heat
Means of increasing efficiency of CPC solar energy collector
Method and apparatus for heating a fluid medium by means of sola
Method and apparatus for heating a liquid using solar energy
Method and apparatus for heating the ground, roads or the like
Method and apparatus for providing differential temperature ther
Method and device for collecting solar energy
Method and system for utilizing a flexible tubing solar collecto
Method for rapidly igniting combustible material on a field
Method for the controlled heating of a liquid reservoir, and res
Method of heating a liquid and solar heating panel therefor
Method of storing and releasing thermal energy
Mobile rail heater and method for expanding rails
Modular solar collector system
Modular solar radiation collector
Modular tubular solar energy collector apparatus
Multi purpose heater for ice fishing
Multi-layered solar energy collector