Method for heating a road by means of geothermally fed heating i
Method for stabilizing an area of the earth's surface
Method for using geothermal energy
Method of and system for warming road surface
Modified annual cycle energy system
Multi-zone cooling/warming garment
Multiple-completion geothermal energy production systems
Multiple-completion geothermal energy production systems
Non-freezing watering dish for animals
Parallel piping installation with air by-pass apparatus
Passive, thermocycling column heat-exchanger system
Permafrost stabilizing heat pipe assembly
Permafrost structural support with integral heat pipe means
Piping apparatus for melting snow and ice
Power equipment for use underwater
Prefabricated ground coil assembly
Refrigeration apparatus
Rock channel heat storage
Soil heat exchanger
Solar efficient structure