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. 01, 2009
Filed:
Dec. 05, 2006
Applicant:
Hugh G. Hutchison, Rugby, GB;
Inventor:
Hugh G. Hutchison, Rugby, GB;
Assignees:
Geist Manufacturing, Inc., Lincoln, NE (US);
Aphel, Ltd., West Midlands, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 15/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is a subtractive current measuring system for a power receptacle. The system may comprise one or more of the following features: (a) a power receptacle; (b) a current carrying input wire; (c) a current carrying output wire; (d) a current transformer; (e) an electrical measuring device; and (f) interconnecting circuitry linking the current transformer and the electrical measuring device.