Steam engine reaction chamber, fuel composition therefore, and m
Steam generator
Steam-generating heating sheet for the eyes
Stethoscope warmer
Structure of warmer
Structure of warmer
Subaqueous heater apparatus
Therapeutic self-generating moist heat pad
Thermal cell having an oxygen permeable top sheet and a method o
Tray for selectably heating or cooling the contents
Trigger device for heat pack
Trigger for a portable heat pack
Trigger to activate aqueous salt solution for use in a heat pack
Trigger to activate supercooled aqueous salt solution for use in
Trigger to activate supercooled aqueous salt solution for use in
Trigger to initiate crystallization
Warmer for a sporting element
Warming device for generating heat by controlled exothermic oxid
Water-activated chemical heater with suppressed hydrogen