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:
Nov. 25, 2014
Filed:
Jun. 20, 2011
Timothy M O'donnell, Chesterland, OH (US);
Stephen R Cole, University Heights, OH (US);
Alonzo P. O. Yost, North Canton, OH (US);
Timothy M O'Donnell, Chesterland, OH (US);
Stephen R Cole, University Heights, OH (US);
Alonzo P. O. Yost, North Canton, OH (US);
Lincoln Global, Inc., City of Industry, CA (US);
Abstract
An electric arc welding system for depositing weld metal along a groove between two edges of a metal workpiece where the system contains a first power supply and a second power supply, each providing a welding waveform to respective welding electrodes. The positive output terminals of both power supplies are coupled to the same contact tip and the negative output terminal of one of the power supplies is not coupled to the workpiece.