The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2026
Filed:
Nov. 25, 2020
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Ansgar Dais, Obfelden, CH;
Jens Rocks, Freienbach, CH;
Assignee:
Hitachi Energy Ltd, Zürich, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B 17/00 (2006.01); G01R 31/62 (2020.01); H01B 17/34 (2006.01);
U.S. Cl.
CPC ...
H01B 17/005 (2013.01); G01R 31/62 (2020.01); H01B 17/34 (2013.01);
Abstract
Electrical bushing for medium and high voltage, the bushing including a fluid filled insulation volume; a sensor unit in contact with the fluid in the fluid filled insulation volume; wherein the sensor unit is configured to measure a breakdown voltage of the fluid.