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1964-10-20 |
1967-07-18 |
Sylvania Electric Prod |
High pressure electric discharge device having a fill including vanadium
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1965-11-24 |
1968-08-20 |
Westinghouse Electric Corp |
High pressure vapor discharge lamp having a fill including sodium iodide and a free metal
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1967-03-17 |
1969-06-17 |
Gen Electric |
Mercury bismuth halide photochemical arc lamp light sources
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1967-05-31 |
1969-05-20 |
Duro Test Corp |
Metal vapor lamp with metal additive for improved color rendition and internal self-ballasting filament used to heat arc tube
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1967-12-21 |
1968-10-22 |
Sylvania Electric Prod |
High pressure electric discharge device containing mercury, halogen, scandium and alkalimetal
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1969-04-01 |
1971-11-09 |
Sylvania Electric Prod |
Arc discharge lamp including means for cooling envelope surrounding an arc tube
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1969-07-07 |
1975-04-08 |
Gen Electric |
Selective spectral output metal halide lamp
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1971-09-30 |
1976-05-18 |
Wolfgang W. Bode |
Addition of buffering agent to gaseous medium of gas discharge device
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1971-11-22 |
1975-05-06 |
Gen Electric |
Metal halide discharge lamp containing tin and sodium halides
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1971-11-26 |
1974-08-27 |
Gte Sylvania Inc |
Heavily loaded metal halide discharge lamp
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1972-06-05 |
1977-05-10 |
Scott Anderson |
High pressure light emitting electric discharge device
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1973-07-05 |
1975-06-11 |
Thorn Electrical Ind Ltd |
Discharge lamps
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1974-02-07 |
1975-10-07 |
Matsushita Electronics Corp |
High-pressure metal-vapor discharge lamp
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1974-12-09 |
1977-10-11 |
Gte Sylvania Incorporated |
Arc discharge lamp comprising mercury, scandium and lithium iodide, scandium emission being suppressed
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1977-11-02 |
1979-05-04 |
Philips Nv |
LOW-PRESSURE MERCURY DISCHARGE LAMP.
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1978-08-10 |
1980-04-22 |
General Electric Company |
Fill gas for miniature high pressure metal vapor arc lamp
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1980-03-03 |
1982-01-12 |
Gte Products Corporation |
Arc discharge lamp containing scandium and scandium halide
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1981-03-30 |
1983-06-07 |
General Electric Company |
Metal halide lamp containing ScI3 with added cadmium or zinc
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1982-05-28 |
1986-01-29 |
Gen Electric Co Plc |
Lamp stems
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1984-08-20 |
1987-11-24 |
Gte Products Corporation |
Low wattage metal halide lamp
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1984-11-29 |
1986-08-12 |
General Electric Company |
High pressure sodium iodide arc lamp with excess iodine
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1985-06-26 |
1988-11-08 |
General Electric Company |
Electrodeless high pressure sodium iodide arc lamp
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1985-10-03 |
1987-11-10 |
The United States Of America As Represented By The United States Department Of Energy |
Very high efficacy electrodeless high intensity discharge lamps
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1997-10-13 |
2001-11-26 |
松下電器産業株式会社 |
Metal halide lamp
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2004-11-03 |
2010-08-31 |
Koninklijke Philips Electronics N.V. |
Quartz metal halide lamp with improved lumen maintenance
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