Issued Patents All Time
Showing 226–250 of 307 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9203321 | Non-isolated resonant DC-DC converter with boost-type voltage doubler output | — | 2015-12-01 |
| 9190830 | Overcurrent protection circuit and method for an LED driver | — | 2015-11-17 |
| 9173256 | Dimmable LED driver based on parallel resonant current fed self-oscillating topology | — | 2015-10-27 |
| 9136054 | Reduced leakage inductance transformer and winding methods | Donald Folker, Christopher Radzinski | 2015-09-15 |
| 9125250 | Constant current control based on indirect current sensing for critical conduction mode buck converter | — | 2015-09-01 |
| 9125259 | Constant current drive circuit for multi-channel LED lighting | — | 2015-09-01 |
| 9095022 | Constant current driver based on critical condition mode buck converter | — | 2015-07-28 |
| 9085076 | Surface-mediated cell-driven power tools and methods of operating same | Aruna Zhamu, Guorong Chen, Bor Z. Jang, Yanbo Wang, Qing Fang | 2015-07-21 |
| 9069135 | Optical depolarizer | Maxim A. Bolshtyansky | 2015-06-30 |
| 9066406 | LED driver and protection circuit for output short conditions | — | 2015-06-23 |
| 8947020 | End of life control for parallel lamp ballast | — | 2015-02-03 |
| 8947015 | Indirect line voltage conduction angle sensing for a chopper dimmed ballast | — | 2015-02-03 |
| 8922131 | Series resonant inverter with capacitive power compensation for multiple lamp parallel operation | — | 2014-12-30 |
| 8896213 | Adaptive lamp warm up control for dimming ballast based on lamp impedance sensing | John J. Dernovsek, Candice Ungacta, Danny Pugh | 2014-11-25 |
| 8847512 | Program start ballast having resonant filament heating circuit with clamped quality factor | — | 2014-09-30 |
| 8834737 | Method for making carbon nanotube composite films | Jia-Ping Wang, Kai-Li Jiang, Shou-Shan Fan | 2014-09-16 |
| 8823361 | Electrical current sensor device | Ming Gao Yao, Koyu Yamanoi | 2014-09-02 |
| 8778216 | Slow release anti-icing material for bituminous pavement and preparation method thereof | Fan Zhao, Youkui Wang, CHONG DUAN, Song Liu | 2014-07-15 |
| 8749717 | Method, apparatus and remote control for annular-selector based television interaction | Zhi-Guo Wang, Si-Hua Huang, Rong Shen, Wei Lv, Wei-Ji Chen +3 more | 2014-06-10 |
| 8721549 | Frame averaging circuit for use in an ultrasound imaging system | Yong Li, Jianyong Wang | 2014-05-13 |
| 8698424 | Power line dimming controller and receiver | Christopher Radzinski | 2014-04-15 |
| 8699244 | Electronic ballast with load-independent and self-oscillating inverter topology | — | 2014-04-15 |
| 8679339 | Refuse landfill leachate wastewater treatment system and technology | Zhiping Kuang, Bin Lu | 2014-03-25 |
| 8622546 | Method of locating valid light spots for optical measurement and optical measurement instrument employing method of locating valid light spots | Stephen W. Farrer, Thomas D. Raymond, John G. Dixson, Daniel R. Neal | 2014-01-07 |
| 8610366 | Lighting ballast and method for balancing multiple independent resonant tanks | Danny Pugh, Candice Ungacta | 2013-12-17 |