Assignee
THORN ELECTRICAL IND LTD
26 granted patents·460 citations·filing 1974–1980
Top patents by PatentIndex Score
26 records- 0194US4155758ALamps and discharge devices and materials thereforTHORN ELECTRICAL IND LTD·Filed 1976·Granted May 22, 1979·79 cites·15 claims
- 0287US4316936ASealing of ceramic and cermet parts, sealing material therefor and ceramic seal obtainedTHORN ELECTRICAL IND LTD·Filed 1979·Granted Feb 23, 1982·24 cites·6 claims
- 0383US3944320ACold-light mirrorTHORN ELECTRICAL IND LTD·Filed 1974·Granted Mar 16, 1976·67 cites·5 claims
- 0477US4278908AHeating of dosing capsuleTHORN ELECTRICAL IND LTD·Filed 1979·Granted Jul 14, 1981·17 cites·9 claims
- 0576US4001623AArc tube for high-pressure mercury/metal halide lampTHORN ELECTRICAL IND LTD·Filed 1975·Granted Jan 4, 1977·22 cites·5 claims
- 0676US3983440ADischarge lamp componentTHORN ELECTRICAL IND LTD·Filed 1975·Granted Sep 28, 1976·16 cites·15 claims
- 0775US4165475ADischarge lamp with starter circuitTHORN ELECTRICAL IND LTD·Filed 1978·Granted Aug 21, 1979·35 cites·21 claims
- 0875US4155757AElectric lamps and components and materials thereforTHORN ELECTRICAL IND LTD·Filed 1976·Granted May 22, 1979·24 cites·12 claims
- 0975US4100594ASuppression of color fringing in lampsTHORN ELECTRICAL IND LTD·Filed 1976·Granted Jul 11, 1978·39 cites·13 claims
- 1070US4019078AMethod of electrode mounting in high-pressure sodium discharge lampTHORN ELECTRICAL IND LTD·Filed 1975·Granted Apr 19, 1977·15 cites·6 claims
- 1168US4204137AFluorescent lamp with refractory metal electrode supports and glass flare seal structureTHORN ELECTRICAL IND LTD·Filed 1977·Granted May 20, 1980·11 cites·6 claims
- 1266US4012658AElectric lamps mounted in a flanged capTHORN ELECTRICAL IND LTD·Filed 1975·Granted Mar 15, 1977·17 cites·3 claims
- 1355US4096088AMethod of preparing cerium and terbium activated aluminate phosphorsTHORN ELECTRICAL IND LTD·Filed 1977·Granted Jun 20, 1978·15 cites·10 claims
- 1454US4026816ACerium and terbium activated aluminate phosphorsTHORN ELECTRICAL IND LTD·Filed 1975·Granted May 31, 1977·15 cites·7 claims
- 1547US4135110AElectrical discharge lampTHORN ELECTRICAL IND LTD·Filed 1977·Granted Jan 16, 1979·5 cites·9 claims
- 1646US3944808ALamp mounting assemblyTHORN ELECTRICAL IND LTD·Filed 1974·Granted Mar 16, 1976·9 cites·4 claims
- 1740US4366411AElectric filament lampsTHORN ELECTRICAL IND LTD·Filed 1980·Granted Dec 28, 1982·11 cites·12 claims
- 1839US4099081AElectric lamps and their productionTHORN ELECTRICAL IND LTD·Filed 1977·Granted Jul 4, 1978·4 cites·6 claims
- 1937US4145332AAdhesivesTHORN ELECTRICAL IND LTD·Filed 1976·Granted Mar 20, 1979·6 cites·3 claims
- 2037US3983449ADischarge lamp ballast circuitsTHORN ELECTRICAL IND LTD·Filed 1975·Granted Sep 28, 1976·10 cites·14 claims
- 2134US4156889AMirror lampTHORN ELECTRICAL IND LTD·Filed 1977·Granted May 29, 1979·5 cites·6 claims
- 2230US4105931AInductor structures for electrical discharge lamp circuitsTHORN ELECTRICAL IND LTD·Filed 1976·Granted Aug 8, 1978·6 cites·4 claims
- 2326US4090101AManufacture of electric lampsTHORN ELECTRICAL IND LTD·Filed 1977·Granted May 16, 1978·2 cites·3 claims
- 2425US4027189ATungsten halogen lampTHORN ELECTRICAL IND LTD·Filed 1975·Granted May 31, 1977·0 cites·8 claims
- 2524US4155061AInductor casingTHORN ELECTRICAL IND LTD·Filed 1977·Granted May 15, 1979·4 cites·8 claims
- 2621US4305637ACap assemblies for lampsTHORN ELECTRICAL IND LTD·Filed 1979·Granted Dec 15, 1981·2 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →