Patents by Inventor David T. Zwolinski

David T. Zwolinski 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: 7356967
    Abstract: A weatherseal has a backbone, which is curvilinear in cross section to define a flange engaging channel and a window receiving channel, wherein the backbone is free of structural metal. The backbone is sufficiently curvilinear to sufficiently distribute stress loading within the cross section to allow unsupported lengths of the weatherseal to operably retain, locate and direct the glass panel. The flange engaging channel can include an arcuate closed end.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: April 15, 2008
    Assignee: Schlegel Corporation
    Inventors: David T. Zwolinski, Kevin Willett
  • Patent number: 6817651
    Abstract: A vehicle window seal assembly includes a division bar formed without structural metal and including one of an insert or an overlay layer of a relatively soft material. The division bar can be formed in an H configuration having an elastic hinge between a leg of the H profile and a cross piece. The division bar can also be formed to receive and engage the insert to locate sealing lips for contacting a moveable glass panel.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: November 16, 2004
    Assignee: Schlegel Corporation
    Inventors: Darrel B. Carvalho, William J. Konitsney, A. John Rigby, David T. Zwolinski
  • Publication number: 20030205918
    Abstract: A vehicle window seal assembly includes a division bar formed without structural metal and including one of an insert or an overlay layer of a relatively soft material. The division bar can be formed in an H configuration having an elastic hinge between a leg of the H profile and a cross piece. The division bar can also be formed to receive and engage the insert to locate sealing lips for contacting a moveable glass panel.
    Type: Application
    Filed: May 1, 2002
    Publication date: November 6, 2003
    Applicant: Schlegel Corporation
    Inventors: Darrel B. Carvalho, William J. Konitsney, A. John Rigby, David T. Zwolinski