Assignee
MC GRAW EDISON CO
283 granted patents·9,121 citations·filing 1973–2005
Top patents by PatentIndex Score
283 records- 0199US4651156AIntegrated radio location and communication systemMC GRAW EDISON CO·Filed 1985·Granted Mar 17, 1987·372 cites·24 claims
- 0298US6313623B1High precision rogowski coilMC GRAW EDISON CO·Filed 2000·Granted Nov 6, 2001·189 cites·29 claims
- 0398US4229782AHigh efficiency lighting units with beam cut-off angleMC GRAW EDISON CO·Filed 1977·Granted Oct 21, 1980·105 cites·13 claims
- 0497US4517562AFM Communication systemMC GRAW EDISON CO·Filed 1982·Granted May 14, 1985·103 cites·24 claims
- 0597US4513415ABroadcast synchronization and supervision systemMC GRAW EDISON CO·Filed 1982·Granted Apr 23, 1985·120 cites·56 claims
- 0697US4475147AAdjustable wall wash reflector assembly for a recess mounted lighting fixtureMC GRAW EDISON CO·Filed 1982·Granted Oct 2, 1984·174 cites·15 claims
- 0797US4391485AIn-line fuse holder for miniature plug-in fuseMC GRAW EDISON CO·Filed 1981·Granted Jul 5, 1983·100 cites·10 claims
- 0897US4250540AMounting arrangement for recessed light fixture housingMC GRAW EDISON CO·Filed 1979·Granted Feb 10, 1981·111 cites·7 claims
- 0997US4224592AMiniature plug-in fuse assembly and method of manufactureMC GRAW EDISON CO·Filed 1978·Granted Sep 23, 1980·95 cites·21 claims
- 1096US4419619AMicroprocessor controlled voltage regulating transformerMC GRAW EDISON CO·Filed 1981·Granted Dec 6, 1983·180 cites·23 claims
- 1196US4293895AMounting arrangement for recessed light fixture housingMC GRAW EDISON CO·Filed 1979·Granted Oct 6, 1981·103 cites·6 claims
- 1296USD256273SPortable electric heaterMC GRAW EDISON CO·Filed 1978·Granted Aug 5, 1980·66 cites·1 claims
- 1395US4249120AVariable speed induction motor control systemMC GRAW EDISON CO·Filed 1979·Granted Feb 3, 1981·64 cites·5 claims
- 1495US4232361AAdjustable light fixtureMC GRAW EDISON CO·Filed 1978·Granted Nov 4, 1980·144 cites·5 claims
- 1594US4617963AControl valve with anticavitation trimMC GRAW EDISON CO·Filed 1985·Granted Oct 21, 1986·100 cites·17 claims
- 1694US4535409AMicroprocessor based recloser controlMC GRAW EDISON CO·Filed 1981·Granted Aug 13, 1985·90 cites·9 claims
- 1794US4467434ASolid state watt-hour meterMC GRAW EDISON CO·Filed 1981·Granted Aug 21, 1984·82 cites·4 claims
- 1894US4450512AArrangement for mounting a thermal protective device in a recess mounted lighting fixtureMC GRAW EDISON CO·Filed 1982·Granted May 22, 1984·116 cites·15 claims
- 1994US4223365AAuto resetting switchgear trip indicator circuitsMC GRAW EDISON CO·Filed 1979·Granted Sep 16, 1980·76 cites·9 claims
- 2093US6744255B1Grounding device for electric power distribution systemsMC GRAW EDISON CO·Filed 2002·Granted Jun 1, 2004·67 cites·23 claims
- 2193US6279811B1Solder application techniqueMC GRAW EDISON CO·Filed 2000·Granted Aug 28, 2001·27 cites·20 claims
- 2293US4492208ALiquid propane gas fuel systemMC GRAW EDISON CO·Filed 1983·Granted Jan 8, 1985·41 cites·11 claims
- 2393US4408262APlaster frame for recessed lightingMC GRAW EDISON CO·Filed 1982·Granted Oct 4, 1983·102 cites·9 claims
- 2493US4325734AMethod and apparatus for forming compact bodies from conductive and non-conductive powdersMC GRAW EDISON CO·Filed 1980·Granted Apr 20, 1982·94 cites·52 claims
- 2593US4124790AProtective switch device and operating mechanism thereforMC GRAW EDISON CO·Filed 1975·Granted Nov 7, 1978·108 cites·14 claims
- 2693US4041435AProtector for electric circuitMC GRAW EDISON CO·Filed 1974·Granted Aug 9, 1977·45 cites·72 claims
- 2792US7148441B2Solid dielectric encapsulated interrupter with reduced corona levels and improved BILMC GRAW EDISON CO·Filed 2005·Granted Dec 12, 2006·23 cites·16 claims
- 2892US6680608B2Measuring current through an electrical conductorMC GRAW EDISON CO·Filed 2002·Granted Jan 20, 2004·54 cites·25 claims
- 2992US4349804AFuse assembly for a miniature plug-in fuseMC GRAW EDISON CO·Filed 1981·Granted Sep 14, 1982·43 cites·15 claims
- 3092US4226325AConveyor lubricating and washing apparatusMC GRAW EDISON CO·Filed 1979·Granted Oct 7, 1980·54 cites·8 claims
- 3192US3955167AEncapsulated vacuum fuse assemblyMC GRAW EDISON CO·Filed 1975·Granted May 4, 1976·56 cites·7 claims
- 3291US6810069B2Electrical arc furnace protection systemMC GRAW EDISON CO·Filed 2003·Granted Oct 26, 2004·57 cites·28 claims
- 3391US4466074APower outage timerMC GRAW EDISON CO·Filed 1981·Granted Aug 14, 1984·64 cites·7 claims
- 3491US4423336AElectromechanically controlled automatic transfer switch and bypass switch assemblyMC GRAW EDISON CO·Filed 1982·Granted Dec 27, 1983·117 cites·23 claims
- 3591USD262914SLens for luminaireMC GRAW EDISON CO·Filed 1979·Granted Feb 2, 1982·27 cites·1 claims
- 3691US4241373ASwitchgear voltage sensorMC GRAW EDISON CO·Filed 1979·Granted Dec 23, 1980·94 cites·26 claims
- 3791US4200978AShield for grass trimmerMC GRAW EDISON CO·Filed 1978·Granted May 6, 1980·52 cites·10 claims
- 3891US4129277ARetractable roller support for use with flexible rolling support for conductors or conduitsMC GRAW EDISON CO·Filed 1977·Granted Dec 12, 1978·71 cites·17 claims
- 3991US4118865AAssembly for removably attaching flexible cutting line element in grass trimmerMC GRAW EDISON CO·Filed 1977·Granted Oct 10, 1978·68 cites·28 claims
- 4091US4105878AVacuum interrupter and disconnect combinationMC GRAW EDISON CO·Filed 1977·Granted Aug 8, 1978·50 cites·12 claims
- 4191US4006334ASafety switch for power toolMC GRAW EDISON CO·Filed 1975·Granted Feb 1, 1977·48 cites·4 claims
- 4290USD256769SHandle for a cordless electric lawn edger, trimmer or similar articleMC GRAW EDISON CO·Filed 1978·Granted Sep 9, 1980·25 cites·1 claims
- 4389US4453197ADielectric fluid tankMC GRAW EDISON CO·Filed 1981·Granted Jun 5, 1984·41 cites·11 claims
- 4489US4154996APositive break snap action switchMC GRAW EDISON CO·Filed 1977·Granted May 15, 1979·33 cites·14 claims
- 4589US4113291ASecurity locking systemMC GRAW EDISON CO·Filed 1977·Granted Sep 12, 1978·49 cites·4 claims
- 4688US6940702B2Electrical protection systemMC GRAW EDISON CO·Filed 2003·Granted Sep 6, 2005·48 cites·24 claims
- 4788US4542551ARotary floor maintenance deviceMC GRAW EDISON CO·Filed 1983·Granted Sep 24, 1985·33 cites·2 claims
- 4888US4454557ANon-linear alternating current transducerMC GRAW EDISON CO·Filed 1982·Granted Jun 12, 1984·45 cites·15 claims
- 4988US4383236AHeat limiters and method of manufactureMC GRAW EDISON CO·Filed 1981·Granted May 10, 1983·32 cites·12 claims
- 5088US4296002AMetal oxide varistor manufactureMC GRAW EDISON CO·Filed 1979·Granted Oct 20, 1981·43 cites·6 claims
Showing the top 50 of 283 patent records by PatentIndex Score.
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