Patents by Inventor Douglas E Zinter

Douglas E Zinter 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).

  • Two piece carrier and balance assembly
    Patent number: 7945994
    Abstract: A carrier and balance assembly for installation into the jamb channel of a window frame. The carrier and balance assembly are capable of being installed into the jamb channel optionally either as a single assembly or as two separate components. The two separate components are the carrier and a hanger-balance subassembly. The advantage of installing the carrier and balance assembly as two separate components is that such installation can occur after the assembly of the window frame and even after installation of the window into the wall of a building. Once the carrier and hanger-balance subassembly are separately installed in the jamb channel, they are then non-permanently locked together. Should any part of the carrier and balance assembly become damaged, replacement is performed by simply reversing the process described above without having to damage the jamb channel.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: May 24, 2011
    Assignee: Caldwell Manufacturing Company North America, LLC
    Inventors: Tobias Peter Dallas, Douglas E Zinter, Wilbur James Kellum, Richard S deNormand
  • Two Piece Carrier and Balance Assembly
    Publication number: 20080229664
    Abstract: A carrier and balance assembly for installation into the jamb channel of a window frame. The carrier and balance assembly are capable of being installed into the jamb channel optionally either as a single assembly or as two separate components. The two separate components are the carrier and a hanger-balance subassembly. The advantage of installing the carrier and balance assembly as two separate components is that such installation can occur after the assembly of the window frame and even after installation of the window into the wall of a building. Once the carrier and hanger-balance subassembly are separately installed in the jamb channel, they are then non-permanently locked together. Should any part of the carrier and balance assembly become damaged, replacement is performed by simply reversing the process described above without having to damage the jamb channel.
    Type: Application
    Filed: March 17, 2008
    Publication date: September 25, 2008
    Applicant: Caldwell Manufacturing Company
    Inventors: Tobias Peter Dallas, Wilbur James Kellum, Douglas E. Zinter, Richard S. deNormand