Patents by Inventor Johan Tolling

Johan Tolling has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Welding process and a welding arrangement
    Patent number: 8884183
    Abstract: A welding arrangement and a welding process for forming a weld seam between two edge portions, wherein the edge portions form a Y joint having a root portion and a bevel portion, said root portion being welded by a hybrid laser electric arc welding process including directing a laser beam and an electric arc in a single interaction zone of plasma and molten metal. A hybrid laser electric arc welding head and welding submerged arc welding head are arranged on a common carrier structure for welding the Y joint.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: November 11, 2014
    Assignee: ESAB AB
    Inventors: Johan Tolling, Kari Erik Lahti
  • WELDING PROCESS AND A WELDING ARRANGEMENT
    Publication number: 20120325786
    Abstract: A welding arrangement and a welding process for forming a weld seam between two edge portions, wherein the edge portions form a Y joint having a root portion and a bevel portion, said root portion being welded by a hybrid laser electric arc welding process including directing a laser beam and an electric arc in a single interaction zone of plasma and molten metal. A hybrid laser electric arc welding head and welding submerged arc welding head are arranged on a common carrier structure for welding the Y joint.
    Type: Application
    Filed: December 16, 2009
    Publication date: December 27, 2012
    Applicant: ESAB AB
    Inventors: Johan Tolling, Kari Erik Lahti