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Angel Mihaylov
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Plovdiv, BG
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Patents Grants
last 30 patents
Information
Patent Grant
Switching system for an on-load tap changer, on-load tap changer an...
Patent number
12,165,825
Issue date
Dec 10, 2024
HITACHI ENERGY LTD
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Switching system for an on-load tap changer, on-load tap changer an...
Patent number
12,033,825
Issue date
Jul 9, 2024
HITACHI ENERGY LTD
Georgi Manev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact unit and contact system for an on-load tap changer and on-l...
Patent number
12,020,886
Issue date
Jun 25, 2024
HITACHI ENERGY LTD
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Switching system for an on-load tap changer, on-load tap changer an...
Patent number
11,996,256
Issue date
May 28, 2024
HITACHI ENERGY LTD
Georgi Manev
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
DRIVING SYSTEM FOR AN ON-LOAD TAP CHANGER
Publication number
20240079190
Publication date
Mar 7, 2024
Hitachi Energy Ltd
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTACT UNIT AND CONTACT SYSTEM FOR AN ON-LOAD TAP CHANGER AND ON-L...
Publication number
20240006132
Publication date
Jan 4, 2024
Hitachi Energy Switzerland AG
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCHING SYSTEM FOR AN ON-LOAD TAP CHANGER, ON-LOAD TAP CHANGER AN...
Publication number
20230411088
Publication date
Dec 21, 2023
Hitachi Energy Switzerland AG
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCHING SYSTEM FOR AN ON-LOAD TAP CHANGER, ON-LOAD TAP CHANGER AN...
Publication number
20230411089
Publication date
Dec 21, 2023
Hitachi Energy Switzerland AG
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTACT UNIT AND CONTACT SYSTEM FOR AN ON-LOAD TAP CHANGER AND ON-L...
Publication number
20230395333
Publication date
Dec 7, 2023
Hitachi Energy Switzerland AG
Borislav Vasilev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCHING SYSTEM FOR AN ON-LOAD TAP CHANGER, ON-LOAD TAP CHANGER AN...
Publication number
20230230781
Publication date
Jul 20, 2023
Hitachi Energy Switzerland AG
Georgi Manev
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCHING SYSTEM FOR AN ON-LOAD TAP CHANGER, ON-LOAD TAP CHANGER AN...
Publication number
20230230782
Publication date
Jul 20, 2023
Hitachi Energy Switzerland AG
Georgi Manev
H01 - BASIC ELECTRIC ELEMENTS