Heat generating body

Heat generator apparatus

Heat generator for a circulating heating system

Heat pack

Heat pack apparatus

Heat pack resistant to saddle-bagging

Heat pack using super-cooled aqueous salt solutions

Heat pack with expansion capability

Heat producing tear strip container

Heat retentive food service base

Heat retentive food service base

Heat source for rail expansion

Heat storage dish

Heat storage food container

Heat storage tank

Heat store and installation for the utilization of solar energy

Heat transfer element

Heat transfer sleeve for chemical heaters

Heat transfer system particularly applicable to solar heating in

Heat-conserving cooking utensil