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Neuenhof, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Spliced optical fiber with splice protection, current sensor with s...
Patent number
11,966,079
Issue date
Apr 23, 2024
HITACHI ENERGY LTD
Xun Gu
G01 - MEASURING TESTING
Information
Patent Grant
Interferometric voltage sensor with error compensation
Patent number
11,193,959
Issue date
Dec 7, 2021
Hitachi Energy Switzerland AG
Xun Gu
G01 - MEASURING TESTING
Information
Patent Grant
Sensor device having an integrated beam splitter
Patent number
11,047,885
Issue date
Jun 29, 2021
ABB Power Grids Switzerland AG
Klaus Bohnert
G01 - MEASURING TESTING
Information
Patent Grant
Interferometric sensor
Patent number
10,725,073
Issue date
Jul 28, 2020
ABB Power Grids Switzerland AG
Xun Gu
G01 - MEASURING TESTING
Information
Patent Grant
Gas-tight compartment and optical voltage sensor with coated electr...
Patent number
10,416,198
Issue date
Sep 17, 2019
ABB Schweiz AG
Sergio Vincenzo Marchese
G01 - MEASURING TESTING
Information
Patent Grant
Fiber-optic current sensor with spun fiber and temperature compensa...
Patent number
10,345,345
Issue date
Jul 9, 2019
ABB Research Ltd.
Georg Mueller
G01 - MEASURING TESTING
Information
Patent Grant
Closed-loop interferometric sensor using loop gain for determining...
Patent number
10,302,411
Issue date
May 28, 2019
ABB Schweiz AG
Xun Gu
G01 - MEASURING TESTING
Information
Patent Grant
Temperature compensated fiber-optic current sensor
Patent number
9,581,622
Issue date
Feb 28, 2017
ABB Research Ltd.
Georg Mueller
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SPLICED OPTICAL FIBER WITH SPLICE PROTECTION, CURRENT SENSOR WITH S...
Publication number
20210116641
Publication date
Apr 22, 2021
ABB Power Grids Switzerland AG
Xun Gu
G02 - OPTICS
Information
Patent Application
SENSOR DEVICE HAVING AN INTEGRATED BEAM SPLITTER
Publication number
20190154738
Publication date
May 23, 2019
ABB Schweiz AG
Klaus Bohnert
G01 - MEASURING TESTING
Information
Patent Application
ASSEMBLY OF GAS-TIGHT COMPARTMENT AND OPTICAL VOLTAGE SENSOR
Publication number
20180080958
Publication date
Mar 22, 2018
ABB Schweiz AG
Sergio Vincenzo Marchese
G01 - MEASURING TESTING
Information
Patent Application
CLOSED-LOOP INTERFEROMETRIC SENSOR USING LOOP GAIN FOR DETERMINING...
Publication number
20180066932
Publication date
Mar 8, 2018
ABB Schweiz AG
Xun Gu
G01 - MEASURING TESTING
Information
Patent Application
INTERFEROMETRIC VOLTAGE SENSOR WITH ERROR COMPENSATION
Publication number
20180067147
Publication date
Mar 8, 2018
ABB Schweiz AG
Xun Gu
G01 - MEASURING TESTING
Information
Patent Application
INTERFEROMETRIC SENSOR
Publication number
20160356823
Publication date
Dec 8, 2016
ABB Schweiz AG
Xun Gu
G01 - MEASURING TESTING
Information
Patent Application
Fiber-optic current sensor with spun fiber and temperature compensa...
Publication number
20160033556
Publication date
Feb 4, 2016
ABB Research Ltd.
Georg Mueller
G01 - MEASURING TESTING
Information
Patent Application
Temperature Compensated Fiber-Optic Current Sensor
Publication number
20150115934
Publication date
Apr 30, 2015
Georg Mueller
G01 - MEASURING TESTING