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Switchgear
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Patent number 12,033,819
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Issue date Jul 9, 2024
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Siemens Energy Global GmbH & Co. KG
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Frank Ehrlich
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H01 - BASIC ELECTRIC ELEMENTS
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Switching device arrangement
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Patent number 10,650,994
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Issue date May 12, 2020
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Siemens Aktiengesellschaft
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Sascha Bauer
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H01 - BASIC ELECTRIC ELEMENTS
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Vacuum circuit interrupter
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Patent number 6,559,404
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Issue date May 6, 2003
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Mitsubishi Denki Kabushiki Kaisha
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Yoshihiro Ookawa
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H01 - BASIC ELECTRIC ELEMENTS
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Gas-insulated switchgear
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Patent number 6,529,368
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Issue date Mar 4, 2003
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Mitsubishi Denki Kabushiki Kaisha
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Hiromi Koga
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Gas-insulated switchgear
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Patent number 6,518,531
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Issue date Feb 11, 2003
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Mitsubishi Denki Kabushiki Kaisha
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Masahiro Arioka
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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-
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Generator switch
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Patent number 5,985,628
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Issue date Nov 16, 1999
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ABB Patent GmbH
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Ahmed Sherif Adel
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Gas circuit breaker
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Patent number 5,298,703
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Issue date Mar 29, 1994
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Hitachi, Ltd.
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Hirohiko Yatsuzuka
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H01 - BASIC ELECTRIC ELEMENTS
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Vacuum circuit breaker
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Patent number 4,587,390
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Issue date May 6, 1986
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Golden Gate Switchboard Co.
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Keith I. Gray
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H01 - BASIC ELECTRIC ELEMENTS
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High voltage corona shield
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Patent number 4,506,110
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Issue date Mar 19, 1985
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Brown Boveri Electric Inc.
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Keith I. Gray
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H01 - BASIC ELECTRIC ELEMENTS
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-
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3870845
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Patent number 3,870,845
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Issue date Mar 11, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3814881
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Patent number 3,814,881
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Issue date Jun 4, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3670123
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Patent number 3,670,123
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Issue date Jun 13, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3305657
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Patent number 3,305,657
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Issue date Feb 21, 1967
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3071670
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Patent number 3,071,670
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Issue date Jan 1, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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2906841
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Patent number 2,906,841
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Issue date Sep 29, 1959
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H01 - BASIC ELECTRIC ELEMENTS
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1768961
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Patent number 1,768,961
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Issue date Jul 1, 1930
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H01 - BASIC ELECTRIC ELEMENTS