Selective excitation of heating electrodes for oil wells

Self-compensatory water heater sensitively responsive to tempera

Self-contained pressurized water delivery system

Self-monitoring flow-through heater

Self-regulating heat source for subsea equipment

Semiconductor electrical heater and method for making same

Semiconductor processing technique, including pyrometric measure

Semiconductor processing technique, including pyrometric measure

Semiconductor wafer baking apparatus

Semiconductor wafer heater with infrared lamp module with light

Sensor block and automatic fill valve for water heater with...

Sensor block and automatic fill valve for water with...

Sensor controlled water heater and method of use

Serial evaporator for vacuum vapor depositing apparatus

Series evaporator

Series evaporator for vacuum vapor-deposition apparatus

Series evaporator for vacuum vapor-deposition apparatus

Short arc lamp soldering device

Short-wave infrared surface radiator assembly with angled connec

Shower heating device