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:
Oct. 18, 2011
Filed:
Nov. 26, 2001
Jeffrey R. Thomas, Appleton, WI (US);
Randall G. Baxter, Black Creek, WI (US);
Mark A. Ulrich, New London, WI (US);
Paul D. Verhagen, Appleton, WI (US);
Jeffrey R. Thomas, Appleton, WI (US);
Randall G. Baxter, Black Creek, WI (US);
Mark A. Ulrich, New London, WI (US);
Paul D. Verhagen, Appleton, WI (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
A method and apparatus for heating a workpiece. An induction heating system is used to induce magnetic fields in a workpiece to inductively heat the workpiece. The induction heating system may comprise a portable power source, a portable power source controller, a fluid-cooled induction heating cable, and a portable cooling unit. The induction heating system may be used to perform a variety of induction heating operations, including: annealing, surface hardening, heat treating, stress-relieving, curing, shrink-fitting, etc.