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:
Nov. 29, 2016
Filed:
Aug. 29, 2013
Ralph Lipsey Barnett, Wilmette, IL (US);
James R. Wingfield, Crystal Lake, IL (US);
Ralph Lipsey Barnett, Wilmette, IL (US);
James R. Wingfield, Crystal Lake, IL (US);
Triodyne Safety Systems, L.L.C., Glenview, IL (US);
Abstract
An improved heating pad which minimizes or eliminates skin burns due to improper uses in three ways: by monitoring an absolute temperature of each surface of the heating pad; by monitoring a temperature difference between each surface of the heating pad, where a small temperature difference indicates that both sides of the heating pad are covered; and by monitoring the duty cycle of a heating element, where a large off portion of the duty cycle indicates both sides of the heating pad are covered.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile