Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10128101 | Dimmable induction RF fluorescent lamp with reduced electromagnetic interference | John R. Goscha, Walter P. Lapatovich, Zeng Zhi Yu, Felix I. Alexandrov | 2018-11-13 |
| 9129792 | Fast start induction RF fluorescent lamp with reduced electromagnetic interference | John R. Goscha, Walter P. Lapatovich, David Alan Goodman, Zeng Zhi Yu, David Wentzel | 2015-09-08 |
| 8872426 | Arrangements and methods for triac dimming of gas discharge lamps powered by electronic ballasts | Felix I. Alexandrov, Jakob Maya | 2014-10-28 |
| 8698413 | RF induction lamp with reduced electromagnetic interference | Valery Godyak, Jakob Maya | 2014-04-15 |
| 8076865 | Ignition for ceramic metal halide high frequency ballasts | Andrew Johnsen | 2011-12-13 |
| D384173 | Electrodeless compact fluorescent lamp | Valery Godyak, Benjamin Alexandrovich | 1997-09-23 |
| 5475284 | Ballast containing circuit for measuring increase in DC voltage component | William J. Roche | 1995-12-12 |
| 5089925 | Protection device for electronic circuit | — | 1992-02-18 |
| D322135 | Infrared luminaire for security system or the like | Julian J. Wierzbicki | 1991-12-03 |
| 4998046 | Synchronized lamp ballast with dimming | — | 1991-03-05 |
| 4724362 | High frequency lamp igniter using a spiral line pulse generator in combination with a series inductor-switch circuit | — | 1988-02-09 |
| 4713587 | Multipulse starting aid for high-intensity discharge lamps | Wojciech W. Byszewski, Charles N. Fallier, Jr. | 1987-12-15 |
| 4680509 | Method and apparatus for starting high intensity discharge lamps | Charles N. Fallier, Jr. | 1987-07-14 |
| 4678968 | High intensity discharge lamp starting and operating apparatus | — | 1987-07-07 |
| 4549178 | Energy control system with transmitter having channel multiplexing and frequency modulation | — | 1985-10-22 |
| 4392089 | Isolator for use with frequency responsive switching circuit | Lee A. Prager | 1983-07-05 |