Patents by Inventor Fredric P. Machledt

Fredric P. Machledt 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: 7475515
    Abstract: A flush to grade utilities vault is disclosed. The vault comprises a concrete box with a lockable, hinged fiberglass lid. The box has an appendage housing the locking mechanism external to the box. The lid is designed to achieve an ASTM A-16 load rating and has a domed skid resistant surface for use flush with a sidewalk. A floor platform lies above the bottom of the box such that utilities cables enter the box below the floor. A hinged utilities wiring frame is mounted inside opposite the lid hinge such that the frame hinges down in the box when the vault is closed and into a vertical position for making connections. A safety barrier is formed by the lid, the wiring frame, and barrier arms which hinge between them. A venting system provides egress for gasses and equalization of pressure between the interior and exterior of the vault.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: January 13, 2009
    Inventors: Charles G. Machledt, Fredric P. Machledt
  • Patent number: 6772566
    Abstract: A below grade utilities connections vault is disclosed. The vault of the present invention comprises a concrete box with lockable, hinged lid. A floor platform lies at a distance above the bottom of the box such that utilities cables enter the box below the level of the floor. A hinged utilities wiring frame is mounted to the wall opposite the lid hinge such that the frame hinges down into the box when the vault is closed and into a vertical position for making connections. A safety barrier is formed by the lid, the wiring frame, and barrier arms which hinge between them surrounds the vault, when open. A venting system provides egress for gasses and equalization of pressure between the interior and exterior of the vault.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: August 10, 2004
    Inventors: Charles G. Machledt, Fredric P. Machledt
  • Patent number: D548204
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: August 7, 2007
    Inventors: Charles G. Machledt, Fredric P. Machledt