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. 14, 2019
Filed:
Oct. 17, 2013
Ford Global Technologies, Llc, Dearborn, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A heated steering wheel having a first electrical circuit including, in series, a first heating element disposed adjacent to a 3 o'clock of the wheel, a second heating element disposed adjacent to a 9 o'clock position of the wheel, and a positive temperature coefficient thermistor heated by one of the first and second heating elements; and a second electrical circuit including, in series, a third heating element disposed at a 6 o'clock position of the wheel, a fourth heating element disposed at a 12 o'clock position of the wheel, and a negative temperature coefficient thermistor heated by one of the first and second heating elements. The flow of electricity through the second electrical circuit is delayed until after electricity has flowed through the first electrical circuit warm those portions of the wheel to a desired temperature.