Inventor · disambiguated record
William M. Keeffe
Also filed as: KEEFFE WILLIAM M
40 granted patents·597 citations·filing 1974–1991
98Inventor score
Top patents by PatentIndex Score
40 records- 0195US4499396AMetal halide arc discharge lamp with means for suppressing convection currents within the outer envelope and methods of operating sameGTE PROD CORP·Filed 1982·Granted Feb 12, 1985·51 cites·11 claims
- 0291US4818915AArc discharge lamp with ultraviolet radiation starting sourceGTE PROD CORP·Filed 1987·Granted Apr 4, 1989·53 cites·14 claims
- 0388US4709184ALow wattage metal halide lampGTE PROD CORP·Filed 1986·Granted Nov 24, 1987·40 cites·22 claims
- 0487US4888517ADouble-enveloped lamp having a shield surrounding a light-source capsule within a thick-walled outer envelopeGTE PROD CORP·Filed 1989·Granted Dec 19, 1989·41 cites·52 claims
- 0583US4672267AHigh intensity discharge device containing oxytrihalidesGTE LABORATORIES INC·Filed 1986·Granted Jun 9, 1987·35 cites·20 claims
- 0682US5057743AMetal halide discharge lamp with improved color rendering propertiesGTE PROD CORP·Filed 1991·Granted Oct 15, 1991·41 cites·17 claims
- 0780US4386292AProjection lamp comprising single ended arc discharge lamp and an interference filterGTE PROD CORP·Filed 1980·Granted May 31, 1983·19 cites·4 claims
- 0879US4580989AMetal halide arc discharge lamp with means for suppressing convection currents within the outer envelope and methods of operating and constructing sameGTE PROD CORP·Filed 1984·Granted Apr 8, 1986·19 cites·6 claims
- 0978US4721876ALight-source capsule containment device and lamp employing such deviceGTE PROD CORP·Filed 1986·Granted Jan 26, 1988·23 cites·12 claims
- 1077US4812714AArc discharge lamp with electrodeless ultraviolet radiation starting sourceGTE PROD CORP·Filed 1987·Granted Mar 14, 1989·22 cites·9 claims
- 1175US4321504ALow wattage metal halide arc discharge lampGTE PROD CORP·Filed 1980·Granted Mar 23, 1982·16 cites·5 claims
- 1274US4320322AElectrode geometry to improve arc stabilityGTE PROD CORP·Filed 1980·Granted Mar 16, 1982·16 cites·3 claims
- 1371US4056751AMetal halide discharge lamp having optimum electrode locationGTE SYLVANIA INC·Filed 1976·Granted Nov 1, 1977·14 cites·1 claims
- 1470US4859899AMetal-halide lamp having heat redistribution meansGTE PROD CORP·Filed 1988·Granted Aug 22, 1989·16 cites·11 claims
- 1569US4791334AMetal-halide lamp having heat redistribution meansGTE PROD CORP·Filed 1987·Granted Dec 13, 1988·15 cites·10 claims
- 1668US4415829ADirect current operable arc lampGTE PROD CORP·Filed 1981·Granted Nov 15, 1983·12 cites·5 claims
- 1767US4308483AHigh brightness, low wattage, high pressure, metal vapor discharge lampGTE PROD CORP·Filed 1980·Granted Dec 29, 1981·12 cites·5 claims
- 1866US4044276AHigh pressure mercury vapor discharge lamp having improved electrodesGTE SYLVANIA INC·Filed 1976·Granted Aug 23, 1977·11 cites·3 claims
- 1965US4620125ALow wattage metal halide lamp with inverted domed sleeveGTE PROD CORP·Filed 1984·Granted Oct 28, 1986·11 cites·8 claims
- 2064US3959524AMetal halide discharge lamp having heat reflective coatingGTE SYLVANIA INC·Filed 1974·Granted May 25, 1976·9 cites·1 claims
- 2163US4625141ALow wattage metal halide discharge lamp electrically biased to reduce sodium lossGTE PROD CORP·Filed 1984·Granted Nov 25, 1986·10 cites·13 claims
- 2261US4302699ALow wattage metal halide arc discharge lamp having optimum efficacyGTE PROD CORP·Filed 1980·Granted Nov 24, 1981·9 cites·5 claims
- 2359US5003214AMetal halide lamp having reflective coating on the arc tubeGTE PROD CORP·Filed 1990·Granted Mar 26, 1991·14 cites·16 claims
- 2458US4277714AMetal halide arc discharge lamp having coiled coil electrodesGTE PROD CORP·Filed 1979·Granted Jul 7, 1981·8 cites·4 claims
- 2557US5021703AMetal halide lampGTE PROD CORP·Filed 1989·Granted Jun 4, 1991·9 cites·9 claims
- 2657US4850499AMethod to reduce color temperature variation in metal halide arc tubesGTE PROD CORP·Filed 1986·Granted Jul 25, 1989·9 cites·9 claims
- 2757US3946262AHigh pressure electric discharge device with hafnium getterGTE SYLVANIA INC·Filed 1974·Granted Mar 23, 1976·7 cites·20 claims
- 2854US4454450AVertical running, high brightness, low wattage metal halide lampGTE PROD CORP·Filed 1983·Granted Jun 12, 1984·7 cites·3 claims
- 2951US4825127AMetal halide discharge lamp for plant growingGTE PROD CORP·Filed 1987·Granted Apr 25, 1989·7 cites·9 claims
- 3051US4636687AElectrode alignment and capsule design for single-ended low wattage metal halide lampsGTE PROD CORP·Filed 1984·Granted Jan 13, 1987·6 cites·4 claims
- 3147US5159229AMetal halide lamp having CO in gas fillGTE PROD CORP·Filed 1990·Granted Oct 27, 1992·8 cites·8 claims
- 3247US4890030AMetal halide discharge lamp with arc tube temperature equalizing meansGTE PROD CORP·Filed 1984·Granted Dec 26, 1989·5 cites·8 claims
- 3346US4278910AHigh pressure arc discharge lamp having concave shaped outer jacketGTE PROD CORP·Filed 1979·Granted Jul 14, 1981·4 cites·1 claims
- 3445US4383197AMetal halide arc discharge lamp having shielded electrodeGTE PROD CORP·Filed 1978·Granted May 10, 1983·4 cites·1 claims
- 3540US4620130AElectrode alignment and capsule design for single-ended low wattage metal halide lampsGTE PROD CORP·Filed 1984·Granted Oct 28, 1986·3 cites·8 claims
- 3639US4321501ALow wattage, high pressure metal vapor discharge lamp for minimizing detrimental glow timeGTE PROD CORP·Filed 1980·Granted Mar 23, 1982·3 cites·2 claims
- 3738US4850500ADimpled arc tube having no internal end pockets and a lamp employing sameGTE PROD CORP·Filed 1988·Granted Jul 25, 1989·3 cites·10 claims
- 3836US4614890AHigh intensity discharge lamp alkali metal loss reduction meansGTE PROD CORP·Filed 1984·Granted Sep 30, 1986·2 cites·13 claims
- 3934US4916351AArc tube having crystalline press seal penetration suppression means and lamp employing sameGTE PROD CORP·Filed 1988·Granted Apr 10, 1990·2 cites·40 claims
- 4029US5086276AMethod of determining condensate location in an HID lampGTE LABORATORIES INC·Filed 1991·Granted Feb 4, 1992·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →