|
| US3989970 | 19 Dec 1974 | 2 Nov 1976 | General Electric Company | Metal halide high-intensity discharge lamp having improved restart capability |
| US4047067 | 5 Jun 1974 | 6 Sep 1977 | General Electric Company | Sodium halide discharge lamp with an alumina silicate barrier zone in fused silica envelope |
| US4161672 | 5 Jun 1978 | 17 Jul 1979 | General Electric Company | High pressure metal vapor discharge lamps of improved efficacy |
| US4528478 | 9 Jun 1983 | 9 Jul 1985 | GTE Products Corporation | Single-ended metal halide discharge lamp with minimal color separation |
| US4594529 | 11 Sep 1985 | 10 Jun 1986 | U.S. Philips Corporation | Metal halide discharge lamp |
| US4612000 | 1 May 1985 | 16 Sep 1986 | GTE Products Corporation | Single-ended metal halide discharge lamps and process of manufacture |
| US4766346 | 27 Apr 1987 | 23 Aug 1988 | Patent Treuhand Gesellschaft fur elektrische Glulampen mbH | Lamp with low-toxicity, molybdenum-compatible sealing glass |
| US4766348 | 9 Jun 1983 | 23 Aug 1988 | GTE Products Corporation | Single-ended metal halogen lamp and fabrication process employing ionization potential selection of additive gases |
| US4891553 | 28 Jun 1988 | 2 Jan 1990 | Wolfram, Inc. | Lead metallizing process to avoid seal oxidation |
| US4910432 | 28 Mar 1988 | 20 Mar 1990 | Thorn EMI plc | Ceramic metal halide lamps |
| US4937496 | 13 Jan 1989 | 26 Jun 1990 | W. C. Heraeus GmbH | Xenon short arc discharge lamp |
| US4992700 | 10 Mar 1989 | 12 Feb 1991 | General Electric Company | Reprographic metal halide lamps having high blue emission |
| US5013968 | 10 Mar 1989 | 7 May 1991 | General Electric Company | Reprographic metal halide lamps having long life and maintenance |
| US5144201 | 23 Feb 1990 | 1 Sep 1992 | Welch Allyn, Inc. | Low watt metal halide lamp |
| US5184044 | 13 Aug 1990 | 2 Feb 1993 | Welch Allyn, Inc. | Dental curing lamp |
| US5864210 | 22 Aug 1996 | 26 Jan 1999 | Matsushita Electric Industrial Co., Ltd. | Electrodeless hid lamp and electrodeless hid lamp system using the same |
| US6501231 | 9 Jul 2001 | 31 Dec 2002 | Amglo Kemlite Laboratories, Inc. | Metal halide lightbulb strobe system |
| US6653801 | 12 May 2000 | 25 Nov 2003 | Matsushita Electric Industrial Co., Ltd. | Mercury-free metal-halide lamp |
| US7352132 | 30 Nov 2004 | 1 Apr 2008 | Harison Toshiba Lighting Corp. | Metal halide lamp and metal halide lamp lighting device with improved emission power maintenance ratio |