Air conditioners; Air purifiers; Air filters for air conditioning units; Electric fans; Refrigerator condensers; Washing machine water treatment device connected to the cold water inlet to eliminate need for detergent; Water bed heaters; Electric coffee makers; Filters for air conditioning; Gas water heater for bathtub consisting of circulation pump with thermostat to fill, re-heat water and keep water warm; Hybrid water heater; Sauna heater rocks

Ultrasonic sensors for use in tank level inventory monitoring and control

Medical instruments, namely, devices with a piezo actuator driving circuit and circuitry for neuromuscular stimulation