ELIN HOLEC HIGH VOLTAGE B.V.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6271493 High voltage disconnector with fixed and locking members secure under Lorentz forcesExpiredNov 09, 99Aug 07, 01[H02B, H01H]
6175486 Switch gear for medium voltage with separately connectable multiple phasesExpiredMay 07, 99Jan 16, 01[H02B, H01H]
5811734 Bus-bar conductor system for high voltage systemsExpiredMay 25, 93Sep 22, 98[H02G]
4644442 Three-phase isolating disconnector for use in a high-voltage switchgear arrangementExpiredNov 08, 85Feb 17, 87[H02B]
4184058 Polyphase isolator switchesExpiredJul 12, 77Jan 15, 80[H01H]

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