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:
Dec. 08, 2009
Filed:
Jan. 18, 2007
Applicants:
Davide Parachini, Cassano Magnago, IT;
Paolo Crosta, Gavirate, IT;
Inventors:
Davide Parachini, Cassano Magnago, IT;
Paolo Crosta, Gavirate, IT;
Assignee:
Whirpool Corporation, Benton Harbor, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 23/00 (2006.01); G01R 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an apparatus to measure water level in a water reservoir by measuring electrical conductivity between electrodes, including a reference electrode, at least one measuring electrode projecting into the water reservoir, and at least one electronic detection circuit to detect a presence of water based on the conductivity measurement.