Safety device for apparatus having relatively movable members

Scanning potentiometer, particularly for a rapid-...

Sealed variable resistor

Secondary arrester for compact polyphase protection

Seismic recording sensitivity control

Self-compressive surge arrester module and method of making...

Self-limiting conductive extrudates and methods therefor

Self-regulating electrical heating device

Self-regulating heating element and a process for the...

Self-regulating ptc devices having shaped laminar conductive...

Self-resetting overcurrent protection element

Semiconductive glaze compositions

Servomotor

Sic thin-film thermistor

Silicon carbide junction thermistor

Single and multi-layer variable voltage protection devices...

Single knob rotary oven control apparatus providing...

Single setting variable resistor

Single turn potentiometer

Slidable variable resistor of electric shock prevention type