Portable quartz heater

Portable radiant heater with two reflectors

Portable thermal-stratifying space heater and powerplant...

Quickly-mountable securing structure for electric heating elemen

Radiant electric space heater

Radiant electric space heater with angular adjustment support br

Radiant electric space heater with capillary tube thermostat

Radiant heater

Radiant heater with halogen lamp

Radiant heater with subsidiary reflecting plate adjacent...

Refrigerator having an apparatus for thawing frozen food

Secure mounting arrangement for U-shaped bolts and other device

Secure mounting arrangement for U-shaped bolts and other device

Space heater and enclosure

Space heater mounted to ceiling fan

Space heater with pretreated heat exchanger

Space heaters

Stationary ceramic glass electric baseboard heater

Stationary ceramic glass electric baseboard heater

Structure of cooler-heater fan