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:
Dec. 29, 2009
Filed:
May. 07, 2003
Applicants:
Satyendra Kumar, Troy, MI (US);
Devendra Kumar, Rochester Hills, MI (US);
Michael L. Dougherty, Rochester Hills, MI (US);
Inventors:
Satyendra Kumar, Troy, MI (US);
Devendra Kumar, Rochester Hills, MI (US);
Michael L. Dougherty, Rochester Hills, MI (US);
Assignee:
BTU International Inc., N. Billerica, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 10/00 (2006.01); H05H 1/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus for plasma-assisted heat treatments are provided. The method can include initiating a heat treating plasma within a cavity () by subjecting a gas to electromagnetic radiation in the presence of a plasma catalyst (), heating the object by exposing the object to the plasma, and maintaining exposure of the object to the plasma for a sufficient period to alter at least one material property of the object.