FERRAZ SHAWMUT, LLC

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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 292

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6642833 High-voltage current-limiting fuseJan 26, 01Nov 04, 03[H01H]
5134382 Support for mounting cylindrical electrical componentsAug 12, 91Jul 28, 92[H01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5670926 High-voltage fuse having a core of bound silica sand about which fusible elements are woundExpiredJun 08, 95Sep 23, 97[H01H]
5406438 Apparatus for triggering chemically augmented electrical fusesExpiredMay 24, 94Apr 11, 95[H01H]
5227758 Bayonet-type fuse and fuseholder assemblyExpiredSep 22, 92Jul 13, 93[H01H]
4963850 Thermal withstand capability of a filament wound epoxy fuse body in a current-limiting fuseExpiredMar 30, 89Oct 16, 90[H01H]
4807082 Current surge protector for power fusesExpiredMay 14, 87Feb 21, 89[H02H]
4638283 Exothermically assisted electric fuseExpiredNov 19, 85Jan 20, 87[H01H]
4573032 Inductively compensated trigger circuit for a chemically augmented fuseExpiredJan 05, 84Feb 25, 86[H01H]
4489301 High voltage, high current fuse with combustion assisted operationExpiredMar 07, 83Dec 18, 84[H01H]
4486734 High voltage electric fuseExpiredApr 08, 83Dec 04, 84[H01H]
4419651 High voltage current limiting fuse having a fuse element susceptible to oxidation and especially suited for high operating temperaturesExpiredJun 24, 82Dec 06, 83[H01H]
4375629 Fuse with aluminum fuse element having tin-plated copper terminalsExpiredJun 26, 81Mar 01, 83[H01H]
4358747 Current-limiting fuse with improved means for interrupting low overcurrentsExpiredJul 01, 81Nov 09, 82[H01H]
4357588 High voltage fuse for interrupting a wide range of currents and especially suited for low current interruptionExpiredJun 03, 81Nov 02, 82[H01H]
4339742 High voltage fuse having mounted gas evolving members and method of forming suchExpiredJun 04, 81Jul 13, 82[N01H]
4275373 Combination expulsion fuseExpiredDec 26, 79Jun 23, 81[H01H]
4253080 Fuse with helical fuse elementExpiredJun 21, 78Feb 24, 81[H01H]

Top Inventors for This Owner

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