System, method and apparatus for protecting consumer...

Systems and methods for controlling energy consumption of...

Uninterruptible power supply

Uninterruptible power supply system with removable front panel d

Uninterruptible power supply system with removable front panel d

Unitary electrical plug with multiple inlets and voltage convert

Universal adapter

Universal linear power supply

Universal serial bus voltage transformer

Universal, voltage variable, safety enhanced electric connector

Voltage converter

Voltage converter with selectable DC output voltage level

Voltage converter with selectable output voltage levels

Voltage convertor for a portable electronic device

Voltage transformer having a wire-winding mechanism

Voltage-transforming device having a wire-winding mechanism

Wall mounted electrical outlet receptacle for providing low...

Wall outlet with direct current output

Wall outlet with direct current output