Patents by Inventor Olaf Welland

Olaf Welland 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).

  • Fuel container
    Patent number: 6715626
    Abstract: The invention concerns a fuel container of plastic material such as a motor vehicle fuel tank, having one or more welded seams as seam locations for the body of the container and/or as connecting or sealing seams between the container wall in the region of openings and closure elements or covers welded thereto. At least some of the welded seams are at least partially penetrated by a duct which extends in the longitudinal direction in the seam and which can be filled with air and vented.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: April 6, 2004
    Assignee: SIG Kautexc GmbH & Co., KG
    Inventors: Martin Balzer, Karsten Friedrichs, Werner Daubenbuechel, Olaf Welland, Peter Kluesener
  • Fuel container
    Publication number: 20020053566
    Abstract: The invention concerns a fuel container of plastic material such as a motor vehicle fuel tank, comprising one or more welded seams as seam locations for the body of the container and/or as connecting or sealing seams between the container wall in the region of openings and closure elements or covers welded thereto. At least some of the welded seams are at least partially penetrated by a duct which extends in the longitudinal direction in the seam and which can be filled with air and vented.
    Type: Application
    Filed: November 6, 2001
    Publication date: May 9, 2002
    Applicant: SIG Blowtec GmbH & Co., KG
    Inventors: Martin Balzer, Karsten Friedrichs, Werner Daubenbuechel, Olaf Welland, Peter Kluesener