Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10665405 | Protective circuit for an apparatus | — | 2020-05-26 |
| 9899170 | Protective circuit for an apparatus | — | 2018-02-20 |
| 9200842 | Dryness detection method for clothes dryer based on pulse width | — | 2015-12-01 |
| 8707580 | Dryness detection method for clothes dryer based on charge rate of a capacitor | — | 2014-04-29 |
| 8653801 | Wide input voltage range power factor correction circuit | Jianwen Shao | 2014-02-18 |
| 8549771 | Dryness detection method for clothes dryer based on pulse width | — | 2013-10-08 |
| 8436593 | Wide input voltage range power factor correction circuit | Jianwen Shao | 2013-05-07 |
| 8412965 | PWM timer for power supply | — | 2013-04-02 |
| RE44101 | Fluorescent lamp assembly having multiple settings and method | — | 2013-03-26 |
| 8310293 | PWM signal generator for digital controlled power supply | — | 2012-11-13 |
| 8140870 | PWM timer for power supply | — | 2012-03-20 |
| 8041052 | Circuit for priority selection of audio signals | — | 2011-10-18 |
| 7541745 | Fluorescent lamp assembly having multiple settings and method | — | 2009-06-02 |
| 7323823 | Fluorescent lamp assembly having multiple settings and method | — | 2008-01-29 |
| 7242175 | Determining rotation of a freewheeling motor | Jianwen Shao | 2007-07-10 |
| 7233125 | System and method for controlling an induction motor | Ramesh Ramamoorthy | 2007-06-19 |
| 6698452 | Cycle reversing valve for use in heat pumps | Gregory E. Sisk, George J. Sciuto, Glenn Edison Walters | 2004-03-02 |
| 6633145 | Circuit for improved back EMF detection | Jianwen Shao, Dennis C. Nolan, Kwan A. Haughton | 2003-10-14 |
| 6547353 | Thermal ink jet printhead system with multiple output driver circuit for powering heating element and associated method | — | 2003-04-15 |
| 6289931 | Cycle reversing valve for use in heat pumps | Gregory E. Sisk, George J. Sciuto | 2001-09-18 |
| 6008740 | Electronic speed limit notification system | — | 1999-12-28 |
| 5898329 | Programmable pulse width modulation circuit | — | 1999-04-27 |
| 5770959 | Circuit for providing the power-up state of an electrical device | Giorgio Pedrazzini | 1998-06-23 |
| 5633639 | Successive approximation analog to digital converter with automatic offset | — | 1997-05-27 |
| 5614902 | Ratiometric analog to digital converter with automatic offset | — | 1997-03-25 |