Assignee
COOPER POWER SYST
US·50 granted patents·1,238 citations·filing 1985–1995
Top patents by PatentIndex Score
50 records- 0196US5220480ALow voltage, high energy surge arrester for secondary applicationsCOOPER POWER SYST·Filed 1990·Granted Jun 15, 1993·142 cites·26 claims
- 0294US5277605AElectrical connectorCOOPER POWER SYST·Filed 1992·Granted Jan 11, 1994·86 cites·13 claims
- 0392US5175403ARecloser means for reclosing interrupted high voltage electric circuit meansCOOPER POWER SYST·Filed 1991·Granted Dec 29, 1992·95 cites·25 claims
- 0492US5113306ANon-fragmenting arrester with staged pressure relief mechanismCOOPER POWER SYST·Filed 1989·Granted May 12, 1992·39 cites·44 claims
- 0590US5221220AStandoff bushing assemblyCOOPER POWER SYST·Filed 1992·Granted Jun 22, 1993·72 cites·14 claims
- 0689US4857021AElectrical connector assembly and method for connecting the sameCOOPER POWER SYST·Filed 1988·Granted Aug 15, 1989·88 cites·26 claims
- 0785US5274349ACurrent limiting fuse and dropout fuseholder for interchangeable cutout mountingCOOPER POWER SYST·Filed 1992·Granted Dec 28, 1993·33 cites·52 claims
- 0882US5191179ATap selector anti-arcing systemCOOPER POWER SYST·Filed 1990·Granted Mar 2, 1993·53 cites·1 claims
- 0981US5225005AMethod of annealing/magnetic annealing of amorphous metal in a fluidized bed and apparatus thereforCOOPER POWER SYST·Filed 1991·Granted Jul 6, 1993·17 cites·42 claims
- 1080US5608596ASurge arrester with spring clip assemblyCOOPER POWER SYST·Filed 1995·Granted Mar 4, 1997·39 cites·59 claims
- 1178US5331304AAmorphous metal transformer coreCOOPER POWER SYST·Filed 1992·Granted Jul 19, 1994·32 cites·8 claims
- 1278US5021615AOn/off loadbreak switchCOOPER POWER SYST·Filed 1989·Granted Jun 4, 1991·25 cites·20 claims
- 1375US5230142AOperating and torque toolCOOPER POWER SYST·Filed 1992·Granted Jul 27, 1993·37 cites·11 claims
- 1469US4972049ABushing and gasket assemblyCOOPER POWER SYST·Filed 1987·Granted Nov 20, 1990·44 cites·27 claims
- 1568US4821143ASwitchgear enclosure with improved supporting frame and improved access doorCOOPER POWER SYST·Filed 1987·Granted Apr 11, 1989·25 cites·13 claims
- 1667US4839622ATransformer core clamping structureCOOPER POWER SYST·Filed 1988·Granted Jun 13, 1989·19 cites·27 claims
- 1765US5300914ADropout expulsion fuseCOOPER POWER SYST·Filed 1992·Granted Apr 5, 1994·23 cites·19 claims
- 1863US5213298AMounting bracket assemblyCOOPER POWER SYST·Filed 1990·Granted May 25, 1993·17 cites·22 claims
- 1961US4837543ATransformer core and coil support assemblyCOOPER POWER SYST·Filed 1988·Granted Jun 6, 1989·16 cites·28 claims
- 2061US4818967AFused high voltage bushingCOOPER POWER SYST·Filed 1987·Granted Apr 4, 1989·12 cites·16 claims
- 2160US5405122AApparatus for annealing/magnetic annealing amorphous metal in a fluidized bedCOOPER POWER SYST·Filed 1993·Granted Apr 11, 1995·8 cites·7 claims
- 2260US5097380ASectionalizer controlCOOPER POWER SYST·Filed 1989·Granted Mar 17, 1992·18 cites·11 claims
- 2358US5355111ANested contact and cap assembly for fuseholderCOOPER POWER SYST·Filed 1993·Granted Oct 11, 1994·12 cites·22 claims
- 2458US5062993AProcess for fabricating doped zinc oxide microsphere gelCOOPER POWER SYST·Filed 1990·Granted Nov 5, 1991·13 cites·21 claims
- 2558US5041004AElectrical connector with means for limiting the torque applied during threaded engagementCOOPER POWER SYST·Filed 1990·Granted Aug 20, 1991·30 cites·29 claims
- 2657US5041027ACable spliceCOOPER POWER SYST·Filed 1989·Granted Aug 20, 1991·19 cites·27 claims
- 2756US4949060AFuse-isolator - actuatorCOOPER POWER SYST·Filed 1989·Granted Aug 14, 1990·10 cites·25 claims
- 2853US5179776AMethod of restraining an amorphous metal coreCOOPER POWER SYST·Filed 1991·Granted Jan 19, 1993·15 cites·12 claims
- 2950US4870742ACoil winding machineCOOPER POWER SYST·Filed 1987·Granted Oct 3, 1989·19 cites·26 claims
- 3049US4946394AConnection mechanism for connecting a cable connector to a bushingCOOPER POWER SYST·Filed 1987·Granted Aug 7, 1990·13 cites·17 claims
- 3148US5406448ACapacitor hanger and attachment methodCOOPER POWER SYST·Filed 1993·Granted Apr 11, 1995·16 cites·32 claims
- 3247US5124678AInterrupter actuatorCOOPER POWER SYST·Filed 1991·Granted Jun 23, 1992·12 cites·19 claims
- 3347US4883930ASwitch mechanism operating rodCOOPER POWER SYST·Filed 1987·Granted Nov 28, 1989·7 cites·7 claims
- 3446US4878143ALine current to time interpolatorCOOPER POWER SYST·Filed 1987·Granted Oct 31, 1989·17 cites·18 claims
- 3545US4912591ADistribution line switchgear control employing a precision rectifierCOOPER POWER SYST·Filed 1985·Granted Mar 27, 1990·13 cites·19 claims
- 3643US5426846AMethod of breaking interlaminar bonds of an amorphous metal coreCOOPER POWER SYST·Filed 1994·Granted Jun 27, 1995·8 cites·8 claims
- 3742US5272442AElectrical feed-through bushing cavity insulation detectorCOOPER POWER SYST·Filed 1992·Granted Dec 21, 1993·12 cites·18 claims
- 3842US5213750AMethod to straighten cross linked polyethylene high voltage power cableCOOPER POWER SYST·Filed 1992·Granted May 25, 1993·14 cites·11 claims
- 3941US5309627AApparatus for making a transformer core of non-circular cross-sectionCOOPER POWER SYST·Filed 1990·Granted May 10, 1994·8 cites·23 claims
- 4041US4845324AInterrupter operating mechanismCOOPER POWER SYST·Filed 1987·Granted Jul 4, 1989·5 cites·12 claims
- 4140US5119060ADropout expulsion fuseCOOPER POWER SYST·Filed 1991·Granted Jun 2, 1992·7 cites·12 claims
- 4240US5092798AElectrical bushingCOOPER POWER SYST·Filed 1991·Granted Mar 3, 1992·9 cites·12 claims
- 4335USD342936SAngled bushingCOOPER POWER SYST·Filed 1992·Granted Jan 4, 1994·2 cites·1 claims
- 4435US5146678AProcess for electrically connecting an end of a power cable to a cable spliceCOOPER POWER SYST·Filed 1991·Granted Sep 15, 1992·7 cites·4 claims
- 4534US5140270AElectrical feed-through bushing cavity insulation detectorCOOPER POWER SYST·Filed 1991·Granted Aug 18, 1992·8 cites·19 claims
- 4633US5225630ATransformer assembly having cooling fins and method of providing sameCOOPER POWER SYST·Filed 1991·Granted Jul 6, 1993·4 cites·16 claims
- 4731US5216801ATool for assisting in the installation and removal of an electrical terminator relative to an electrical bushingCOOPER POWER SYST·Filed 1991·Granted Jun 8, 1993·2 cites·11 claims
- 4831US5073765ARetaining band for a transformer coreCOOPER POWER SYST·Filed 1990·Granted Dec 17, 1991·5 cites·9 claims
- 4931US4982310ASwitchgear enclosure with improved electronic control access door and lockCOOPER POWER SYST·Filed 1987·Granted Jan 1, 1991·4 cites·25 claims
- 5025US4921433AVariable portable feedthru deviceCOOPER POWER SYST·Filed 1988·Granted May 1, 1990·7 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when COOPER POWER SYST files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →