Safety device for electric cooking stove

Safety shut off for a portable cooker

Safety temperature circuit including zero crossing detector

Sandwich construction for current limiting positive temperature

Sanitary device

Sauna heater control

Seal wire heat control system

Sealing construction

Self heating thermal protector

Self heating thermal protector

Self-calibrating temperature controller

Self-healing parallel heating tape

Self-heating thermal protector

Self-regulating cable assembly

Self-regulating electric heating element for heaters shaped as c

Self-regulating electrical heater system and method

Self-regulating heater

Self-regulating heater with a semiconductor heating element...

Self-regulating heater with a semiconductor heating element...

Self-regulating heating element