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:
Sep. 08, 2026
Filed:
Mar. 22, 2023
Applicant:
Schneider Electric Usa, Inc., Andover, MA (US);
Inventors:
Kenneth Riehl, Cedar Rapids, IA (US);
Juan Ignacio Melecio, North Liberty, IA (US);
Jeremy D. Schroeder, Cedar Rapids, IA (US);
Assignee:
Schneider Electric USA, Inc., Boston, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/42 (2006.01); H01F 27/02 (2006.01); H01F 27/36 (2006.01); H01F 30/16 (2006.01);
U.S. Cl.
CPC ...
H01F 27/427 (2013.01); H01F 27/027 (2013.01); H01F 27/366 (2020.08); H01F 30/16 (2013.01);
Abstract
A current transformer for a ground fault circuit interrupter (GFCI) can include a core having a closed loop shape having a first side, a second side, and a core opening, and a sense coil wrapped around the core configured to magnetically couple to a plurality of conductors passing through the core opening. The current transformer can include a first magnetic shield disposed on the first side of the core over the sense coil, and a second magnetic shield disposed on a second side of the core over the sense coil.