Parabolic solar concentrator employing flat plate collector

Passive sealed flat plate solar heat collector with an attached

Perforated heat transfer sheet

Photochemical thermal-energy process and generator

Photon energy converter

Pipe joint for radiator element of thin material

Portable barbecue grill and tables for mounting on a trailer hit

Portable propane cooking trailer

Portable solar cooker and the solar panel used therein

Portable solar oven and grill

Prefabricated ventilating panel including heat transfer means

Prismatic solar reflector apparatus and method of solar tracking

Process of and apparatus for solar heating and the like

Pyramidal solar heater