Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172550 | Dual-control LED dimming system and method | — | 2021-11-09 |
| 10681829 | Electrical junction box with removable sealing cover | James Dorenkamp, Ravindranath Naiknaware | 2020-06-09 |
| 9763360 | Serviceable electrical box thermal management | James Dorenkamp, Ravindranath Naiknaware | 2017-09-12 |
| 9419438 | Power-line communication coupling | Vincenzo DiTommaso, Ravindranath Naiknaware, Jorell A. Olson | 2016-08-16 |
| 9342088 | Power point tracking | Robert Batten, Vincenzo DiTommaso, Gary B. Baker, Adam Heiberg, Triet Tu Le +1 more | 2016-05-17 |
| 9101082 | Junction box thermal management | James Dorenkamp, Ravindranath Naiknaware | 2015-08-04 |
| 8860242 | Power-line communication coupling | Vincenzo DiTommaso, Ravindranath Naiknaware, Jorell A. Olson | 2014-10-14 |
| RE44279 | Lamp power pulse modulation in color sequential projection displays | Steven E. Stark | 2013-06-11 |
| 7880396 | Projector device employing ballast with flyback converter | — | 2011-02-01 |
| 7633245 | Light-emitting device driver circuit | — | 2009-12-15 |
| 7372883 | Light emitting device driver circuit | — | 2008-05-13 |
| 7091670 | Safety interlock apparatus and method | Gerald E. Duffy | 2006-08-15 |
| 6853152 | Electric power supply safety interlock system | Gerald E. Duffy | 2005-02-08 |
| 6639365 | Ultra-compact arc discharge lamp system with an additional electrode | — | 2003-10-28 |
| 6628094 | Method and apparatus for canceling ripple current in a lamp | — | 2003-09-30 |
| 6624585 | Ultra-compact igniter circuit for arc discharge lamp | — | 2003-09-23 |
| 6520648 | Lamp power pulse modulation in color sequential projection displays | Steven E. Stark | 2003-02-18 |
| 6476566 | Method and apparatus for canceling ripple current in a lamp | — | 2002-11-05 |
| 6472828 | Control for projector lamp heat dissipation | Fred T. Parker, Roger E. Yaffe, Jeff Gohman, Cathy Biber | 2002-10-29 |
| 6424097 | Projection lamp safety interlock apparatus and method | Gerald E. Duffy | 2002-07-23 |
| 5861718 | ARC lamp igniter apparatus and method | — | 1999-01-19 |
| 5855488 | Protection lamp safety interconnect apparatus and method | Brian G. Heintz | 1999-01-05 |
| 5731665 | Power regulator for fluorescent lamp | — | 1998-03-24 |
| 5727863 | Aircraft wing inspection light system | — | 1998-03-17 |