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Superconducting fault current limiter
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Patent number 5,617,280
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Issue date Apr 1, 1997
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The Tokyo Electric Power Company, Incorporated
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Tsukushi Hara
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Magnet lead assembly
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Patent number 4,625,193
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Issue date Nov 25, 1986
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GA Technologies Inc.
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John R. Purcell
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H01 - BASIC ELECTRIC ELEMENTS
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Spacer in concentric tube systems
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Patent number 4,259,990
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Issue date Apr 7, 1981
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Kabel- und Metallwerke, Gutehoffnungshutte AG
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Peter Rohner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Spacer for coaxial tube systems
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Patent number 4,220,179
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Issue date Sep 2, 1980
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Kabel-und Metallwerke Gutehoffnungshutte Aktiengesellschaft
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Ernst Scheffler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3919677
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Patent number 3,919,677
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Issue date Nov 11, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3900809
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Patent number 3,900,809
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Issue date Aug 19, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3864508
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Patent number 3,864,508
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Issue date Feb 4, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3781733
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Patent number 3,781,733
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Issue date Dec 25, 1973
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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3416111
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Patent number 3,416,111
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Issue date Dec 10, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3389353
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Patent number 3,389,353
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Issue date Jun 18, 1968
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H01 - BASIC ELECTRIC ELEMENTS