Power controllers; Matching units that transmit power from a power source to a plasma process chamber, namely, impedance conversion electrical circuits for radio frequency power used for semiconductor manufacturing machines and systems

Electric transformers; power distribution or control machines and apparatus, namely, power distributing boxes, electric switches, electric transformers, power controllers, plug boards, circuit breakers, electric relays; high pressure power receiving apparatus for wireless power transfer; power transmission apparatus for wireless power transfer; high-frequency and low-frequency power supply; impedance matching units; electrical control apparatus for wireless power transfer; power receiving app...

Electric controllers and power supplies for industrial working machines; electric controllers for welding apparatus; electric welding power supplies; electric controllers and power supplies for arc welding machines; electric controllers welding wire feeding apparatus; welding torches; electric controllers and power supplies for are welding machines;[ electric controllers and power supplies for arc cutting machines;] electric controllers and power supplies for arc cutting machines; off-line te...