Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8633653 | Lighting control system with improved efficiency | Bruce Richard Roberts, Jeffrey Plaskon, Lazlo Balazs, Istvan Maros, Avi Shertok | 2014-01-21 |
| 8405324 | Hospital lighting with solid state emitters | William Winder Beers | 2013-03-26 |
| 6741013 | Shrouded electric lamp having functionally distinguishable center supports | James T. Dakin, Curtis E. Scott | 2004-05-25 |
| 5879215 | Crimp length gauge for ceramic metal halide electrodes | Raymond A. Heindl | 1999-03-09 |
| 5866982 | Arctube for high pressure discharge lamp | Curtis E. Scott, Charles D. Greskovich, George Eric Coxon | 1999-02-02 |
| 5676579 | Patterned optical interference coatings for electric lamps | Thomas G. Parham, Frederick W. Dynys, Carl Gunter, John M. Davenport, Thomas Golz +4 more | 1997-10-14 |
| 5675677 | Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp | John M. Davenport, Richard L. Hansler, Kenneth S. King, William J. Cassarly, Thomas G. Parham +3 more | 1997-10-07 |
| 5587626 | Patterned optical interference coatings for only a portion of a high intensity lamp envelope | Thomas G. Parham, Frederick W. Dynys, Carl Gunter, John M. Davenport, Thomas Golz +4 more | 1996-12-24 |
| 5479102 | Simulated load circuit for simulating the arc impedance of an electrodless discharge lamp | Sayed-Amr El-Hamamsy, Michael M. Secen, Gerald E. Duffy | 1995-12-26 |
| 5479072 | Low mercury arc discharge lamp containing neodymium | James T. Dakin, Tommie Edward Berry, Timothy D. Russell | 1995-12-26 |
| 5440199 | Base for electrodeless discharge lamp | Raymond A. Heindl, Frederick Hetzel, David J. Marks, Lawrence T. Mazza, Curtis E. Scott +1 more | 1995-08-08 |
| 5378965 | Luminaire including an electrodeless discharge lamp as a light source | James T. Dakin, Lawrence W. Speaker, Raymond A. Heindl | 1995-01-03 |
| 5373216 | Electrodeless arc tube with stabilized condensate location | James T. Dakin | 1994-12-13 |
| 5363015 | Low mercury arc discharge lamp containing praseodymium | James T. Dakin, Tommie Edward Berry, Timothy D. Russell | 1994-11-08 |
| 5332970 | Method for measuring the impedance of an electrodeless arc discharge lamp | Sayed-Amr El-Hamamsy, Michael M. Secen, Gerald E. Duffy | 1994-07-26 |
| 5306987 | Acoustic resonance arc stabilization arrangement in a discharge lamp | James T. Dakin | 1994-04-26 |
| 5248918 | Starting aid for an electrodeless high intensity discharge lamp | James T. Dakin, Raymond A. Heindl | 1993-09-28 |
| 5214357 | Low-loss L-C drive circuit for an electrodeless high intensity discharge lamp | James T. Dakin, Raymond A. Heindl, Victor A. Levand, Jr. | 1993-05-25 |
| 5151633 | Self-extinguishing gas probe starter for an electrodeless high intensity discharge lamp | George A. Farrall, John P. Cocoma, James T. Dakin, Tommie Edward Berry | 1992-09-29 |
| 5150015 | Electrodeless high intensity discharge lamp having an intergral quartz outer jacket | Raymond A. Heindl, James T. Dakin, Harald L. Witting, Richard C. Nagle, Lawrence T. Mazza | 1992-09-22 |
| 5140227 | Starting aid for an electrodeless high intensity discharge lamp | James T. Dakin, Raymond A. Heindl | 1992-08-18 |
| 5095249 | Gas probe starter for an electrodeless high intensity discharge lamp | Victor D. Roberts, James T. Dakin, Raymond A. Heindl | 1992-03-10 |
| 4891554 | Arc discharge lamp having improved performance | Victor A. Levand, Jr. | 1990-01-02 |