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Shanghai, CN
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Patents Grants
last 30 patents
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Patent Grant
Disconnection and switch-over device for overvoltage protection, pa...
Patent number
11,159,013
Issue date
Oct 26, 2021
DEHN SE + CO KG
Hongjun (Better) Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
DISCONNECTION AND SWITCH-OVER DEVICE FOR OVERVOLTAGE PROTECTION, PA...
Publication number
20200059089
Publication date
Feb 20, 2020
DEHN SE + CO KG
Hongjun (Better) Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
OVERVOLTAGE PROTECTION ARRANGEMENT HAVING A PLURALITY OF PLANAR VAR...
Publication number
20190295792
Publication date
Sep 26, 2019
DEHN + SOHNE GmbH + Co. KG
Hongjun Li
H01 - BASIC ELECTRIC ELEMENTS