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.

Date of Patent:
Sep. 10, 2019

Filed:

May. 15, 2017
Applicant:

Carter-hoffmann Llc, Mundelein, IL (US);

Inventors:

Robert Cooper Bohn, Arlington Heights, IL (US);

Richard Joseph Paddock, Jr., Antioch, IL (US);

Jeffrey S. Erber, Edwardsville, IL (US);

Robert C. Fortmann, Grayslake, IL (US);

Assignee:

Carter-Hoffmann LLC, Mundelein, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47J 39/02 (2006.01); G01R 31/371 (2019.01); F24C 7/08 (2006.01); H05B 1/02 (2006.01); A47J 39/00 (2006.01); G08B 5/36 (2006.01); G01R 31/385 (2019.01); G01R 31/3835 (2019.01);
U.S. Cl.
CPC ...
G01R 31/371 (2019.01); A47J 39/003 (2013.01); A47J 39/006 (2013.01); A47J 39/02 (2013.01); F24C 7/087 (2013.01); G08B 5/36 (2013.01); H05B 1/0236 (2013.01); H05B 1/0252 (2013.01); G01R 31/386 (2019.01); G01R 31/3835 (2019.01); H05B 2203/028 (2013.01); H05B 2203/035 (2013.01);
Abstract

A method of displaying a battery life for a warming cart battery is provided. The method includes the steps of detecting with a processor that a warming cart battery voltage is out of range of a predetermined threshold, determining with a processor an operation state of each of a plurality of periphery warming cart devices, and automatically setting a battery scale of a warming cart battery based on which of the plurality of periphery warming cart devices are in an active operation state.


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