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:
Sep. 19, 2006
Filed:
Dec. 04, 2003
Applicant:
Ralph M. Samodell, Willoughby Hills, OH (US);
Inventor:
Ralph M. Samodell, Willoughby Hills, OH (US);
Assignee:
Lincoln Global, Inc., Santa Fe Springs, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B23K 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electric arc welder comprising a power source driven by a main input transformer with a secondary winding creating an output pulsating current across the electrode and workpiece of a welding operation is provided with a background current circuit including a full-wave rectifier with AC input and a rectified DC output connected in parallel with the power source across the welding operation wherein the full-wave rectifier is connected in parallel with the secondary winding.