Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9773659 | Metal halide lamp with ceramic discharge vessel | Tom Steere, Junming Tu | 2017-09-26 |
| 7344427 | 150W-1000W MasterColor® ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications | Andrew D. Jackson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2008-03-18 |
| 7331837 | Coil antenna/protection for ceramic metal halide lamps | Andrew D. Jackson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2008-02-19 |
| 6861805 | Coil antenna/protection for ceramic metal halide lamps | Andrew D. Jackson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2005-03-01 |
| 6833677 | 150W-1000W mastercolor ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications | Andrew D. Jackson, Sarah A. Carleton, Shiming Wu, Louis N. Kowalczyk, Thomas Steere +4 more | 2004-12-21 |
| 6555962 | Ceramic metal halide lamp having medium aspect ratio | Andrew D. Jackson, Sarah A. Carleton | 2003-04-29 |
| 6172462 | Ceramic metal halide lamp with integral UV-enhancer | Samuel A. Carleton, Andrew D. Jackson | 2001-01-09 |
| 6049169 | Electric lamp having optical interference filter of alternating layers of SiO.sub.2 and Nb.sub.2 O.sub.5 --Ta.sub.2 O.sub.5 | Eduardus J. E. Cottaar, Wolfgang Doetter | 2000-04-11 |
| 4977346 | High pressure sodium discharge lamp having gas filled outer envelope | Joseph S. Droho | 1990-12-11 |
| 4963791 | High pressure sodium discharge tube support structure | Jagannathan Ravi | 1990-10-16 |
| 4939408 | High pressure sodium discharge reflector lamp | — | 1990-07-03 |
| 4926092 | Stem with molded back-fill gas directional diffuser | Albert E. Kowal | 1990-05-15 |