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. 22, 2011
Filed:
Feb. 29, 2008
Applicants:
Donald W. Wisner, Grand Haven, MI (US);
Dennis V. Rupar, Spring Lake, MI (US);
Terry L. Plumert, Grand Haven, MI (US);
Inventors:
Donald W. Wisner, Grand Haven, MI (US);
Dennis V. Rupar, Spring Lake, MI (US);
Terry L. Plumert, Grand Haven, MI (US);
Assignee:
Track Corp., Spring Lake, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47J 37/00 (2006.01); A47J 39/00 (2006.01); H05B 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for heating food includes a housing and a plurality of heated shelves or trays supported on the housing. Each tray includes a heater and a temperature sensor. The heater is operable to heat the tray and the temperature sensor is capable of sensing the temperature of the tray. A controller is coupled to each heater and each temperature sensor, and the controller is configured to operate the heater as a function of the tray temperature.