Dual induction heating pressure welding control circuit

Dual mode light source for aircraft external lighting

Dual mode solid state inverter circuit for starting and...

Dual mode windshield heater control

Dual surface heaters

Dual switch and/or dimmer system illuminated with single...

Dual tube direct and bounce flash apparatus

Dual use power supply configuration for the double pulsed...

Dual voltage and current control feedback loop for an...

Dual voltage infinite temperature control for an electric...

Dual wave high frequency sterilization

Dual-element heater control

Dual-feed microwave oven

Dual-gas shielding method

Dual-range hydraulic thermostatic control device

Dual-use electronic transceiver set for wireless data networks

Duration of alerts and scanning of large data stores

Dusk-to-dawn switch

Dynamic reactorless high frequency vapor lamp ballast