Pool heating system
Portable end heater for plastic hose
Portable heater for golf balls
Portable heating/cooling and dispensing devices
Portable type solar heat cooker assembly
Pre-assembled pre-wire-connected photovoltaic arrays made of...
Probe for collecting thermal energy from the ground for a...
Process and apparatus for solar energy collection and retrieval
Process and device for dual stage concentration of solar rays
Process and devices for concentrating and converting solar...
Process and devices for concentrating solar radiation in...
Process and plant for improved heat efficiency by...
Process for causing air circulation and convection in a heat...
Process for manufacturing combined solar panels of...
Process for the energy-saving recovery of useful or...
Process for using energy potentials, in particular with...