| IN PORTABLE HEATERS & ELECTRONIC CONTROLS | |
| Over 150 Patent/Countries | |
| IN DC FAN AND MOTOR CONTROLS | |
| DC Motor Bridge Coil Driver: #6,664,750 DC Motor Constant Speed PWM Control: #6,731,082 SBS (Sealed Bearing System) # CN1831353A | |
| MOST RECENT PATENT IN DC FANS/MOTORS | |
| Hub-Less DC Fan Motor (MICROTURBO) # CN1832305A |