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:
Aug. 12, 2014
Filed:
Dec. 14, 2010
Applicant:
Lee Stratford, Cheltenham, GB;
Inventor:
Lee Stratford, Cheltenham, GB;
Assignee:
Ameritherm, Inc., Scottsville, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/09 (2006.01); H05B 6/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one aspect, the invention relates to induction heating systems and methods for producing an object having a varying hardness along the length of the object. In some embodiments, the induction heating system comprises a radio frequency (RF) power source and a work coil electrically coupled to the RF power source, wherein the work coil is a helical conical coil.