Patents by Inventor David Bickel

David Bickel 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).

  • Method and apparatus for welding
    Publication number: 20010025847
    Abstract: A method and system for system for welding a workpiece is disclosed. The workpiece is preheated while the weld is being performed. The preheating is performed fast enough that it can be done on-the fly- immediately in advance of the weld. The preheating is preferably accomplished with an induction heating system. The induction coil is mounted with the welding torch such that as the torch is moved along the weld path, the coil precedes it, preheating the weld path.
    Type: Application
    Filed: February 13, 2001
    Publication date: October 4, 2001
    Applicant: Illinois Tool Works Inc.
    Inventors: David Bickel, Mark Ulrich, Donald Wiseman
  • Method and apparatus for inductive preheating and welding along a weld path
    Patent number: 6265701
    Abstract: A method and system for system for welding a workpiece is disclosed. The workpiece is preheated while the weld is being performed. The preheating is performed fast enough that it can be done on-the fly-immediately in advance of the weld. The preheating is preferably accomplished with an induction heating system. The induction coil is mounted with the welding torch such that as the torch is moved along the weld path, the coil precedes it, preheating the weld path.
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: July 24, 2001
    Assignee: Illinois Tool Works Inc.
    Inventors: David Bickel, Mark Ulrich, Donald Wiseman