Patents by Inventor Engbert Jan De Wit

Engbert Jan De Wit 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).

  • Patent number: 7842900
    Abstract: A process for joining a first metal component to a second metal component at a joining region including the steps of: projecting a laser beam onto one or the components for providing a melt pool on the joining region; providing a metal filler wire into the melt pool while substantially simultaneously providing a substantially laminar flow of a substantially inert process shielding gas to the location of the melt pool wherein the process shielding gas flows substantially coaxially around the filler wire; and solidifying the melt pool thereby forming a joint at the joining.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: November 30, 2010
    Assignee: Aleris Aluminum Koblenz GmbH
    Inventors: Nicholas Peter Longfield, Engbert Jan De Wit
  • Publication number: 20080257870
    Abstract: A process for joining a first metal component to a second metal component at a joining region including the steps of: projecting a laser beam onto one or the components for providing a melt pool on the joining region; providing a metal filler wire into the melt pool while substantially simultaneously providing a substantially laminar flow of a substantially inert process shielding gas to the location of the melt pool wherein the process shielding gas flows substantially coaxially around the filler wire; and solidifying the melt pool thereby forming a joint at the joining.
    Type: Application
    Filed: July 19, 2007
    Publication date: October 23, 2008
    Applicant: Aleris Aluminum Koblenz GmbH
    Inventors: Nicholas Peter Longfield, Engbert Jan De Wit