Cooper Power Systems, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 787
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 4129
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5608596 Surge arrester with spring clip assemblyApr 25, 95Mar 04, 97[H02H]
5604474 Full range current limiting fuse to clear high and low fault currentsMar 10, 95Feb 18, 97[H01H]
5463366 Current limiting fuse and dropout fuseholderDec 27, 93Oct 31, 95[H01H]
5406448 Capacitor hanger and attachment methodJan 21, 93Apr 11, 95[H02G]
5355111 Nested contact and cap assembly for fuseholderMay 24, 93Oct 11, 94[H01H]
5309627 Apparatus for making a transformer core of non-circular cross-sectionDec 28, 90May 10, 94[H01F]
5300914 Dropout expulsion fuseJun 01, 92Apr 05, 94[H01H]
5277605 Electrical connectorSep 10, 92Jan 11, 94[H01R]
5274349 Current limiting fuse and dropout fuseholder for interchangeable cutout mountingSep 17, 92Dec 28, 93[H01H]
5272442 Electrical feed-through bushing cavity insulation detectorJul 14, 92Dec 21, 93[G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5426846 Method of breaking interlaminar bonds of an amorphous metal coreExpiredMar 23, 94Jun 27, 95[H01F]
5405122 Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bedExpiredFeb 12, 93Apr 11, 95[C21D]
5331304 Amorphous metal transformer coreExpiredSep 11, 92Jul 19, 94[H01F]
D342936 Angled bushingExpiredApr 09, 92Jan 04, 94[]
5220480 Low voltage, high energy surge arrester for secondary applicationsExpiredOct 16, 90Jun 15, 93[H02H]
5216801 Tool for assisting in the installation and removal of an electrical terminator relative to an electrical bushingExpiredDec 11, 91Jun 08, 93[H05K]
5213298 Mounting bracket assemblyExpiredDec 26, 90May 25, 93[A47K]
5159319 Faulted circuit detector having an isolated indicator for an electrical transformerExpiredJun 25, 90Oct 27, 92[G08B]
5146678 Process for electrically connecting an end of a power cable to a cable spliceExpiredJul 01, 91Sep 15, 92[B23P, H02G]
5119060 Dropout expulsion fuseExpiredJan 23, 91Jun 02, 92[H01H]
5113306 Non-fragmenting arrester with staged pressure relief mechanismExpiredNov 14, 89May 12, 92[H02H]
5097380 Sectionalizer controlExpiredAug 25, 89Mar 17, 92[H02H]
5073765 Retaining band for a transformer coreExpiredNov 07, 90Dec 17, 91[H01F]
5062993 Process for fabricating doped zinc oxide microsphere gelExpiredAug 29, 90Nov 05, 91[H01B, H01C]
5056377 Tap selector anti-arcing systemExpiredNov 09, 89Oct 15, 91[F16H, H01H]
5055818 Flagged blown fuse indicatorExpiredNov 30, 89Oct 08, 91[H01H]
5041004 Electrical connector with means for limiting the torque applied during threaded engagementExpiredFeb 13, 90Aug 20, 91[H01R]
5041027 Cable spliceExpiredJul 21, 89Aug 20, 91[H01R]
5021615 On/off loadbreak switchExpiredSep 29, 89Jun 04, 91[H01H]
4982310 Switchgear enclosure with improved electronic control access door and lockExpiredOct 30, 87Jan 01, 91[H02B, H05K]

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