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:
May. 17, 2011
Filed:
Sep. 24, 2009
Applicants:
George William Roscoe, West Hartford, CT (US);
Thomas Frederick Papallo, Jr., Farmington, CT (US);
Cecil Rivers, Jr., West Hartford, CT (US);
Inventors:
George William Roscoe, West Hartford, CT (US);
Thomas Frederick Papallo, Jr., Farmington, CT (US);
Cecil Rivers, Jr., West Hartford, CT (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/14 (2006.01); H02H 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device and method to determine the presence of a ground fault that distinguishes between the capacitive portion of the currents to ground, and the resistive portion of the currents to ground by ascertaining aspects of the voltage and residual current waveforms.