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. 20, 2003
Filed:
Jun. 14, 2001
Applicant:
Inventors:
Stephen B. Boyd, Merrimac, MA (US);
Douglas A. Johnson, Groveland, MA (US);
Assignee:
Wilmington Research and Development Corporation, Newburyport, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 6/12 ;
U.S. Cl.
CPC ...
H05B 6/12 ;
Abstract
An induction heating system having an induction source, a heating element heated from the induction source and a circuit energized by the induction source. The circuit can be a controller which includes a temperature sensor for measuring a temperature of the heating element, and a feedback loop formed between the temperature sensor and the induction source. The heating element can be mounted within a housing to form an induction heated container for holding items to be heated. Such a container can be used in commercial food warming and holding.