Patents by Inventor Tom Francisco Castellanos

Tom Francisco Castellanos 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).

  • Hip and ridge attachment device
    Patent number: 6647675
    Abstract: A hip and ridge attachment device utilized in the roofing industry for the construction of roofs. Hip and ridge attachment devices are secured onto a rooftop once the installation of roofing felt is complete, but before the completion of roof tile installation. After the installation of the instant invention, tiles are secured thereon with an adhesive. The instant invention comprises sheet metal, formed into a V-form with walls extending a predetermined length from both sides of the V-form. Said walls are outwardly bent near their distal ends to lay flush against a roof surface. Optionally, embossings on the V-form increase the effective contact area for an adhesive when applied thereon. Additionally, said invention may have louvers for ventilation means.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: November 18, 2003
    Inventor: Tom Francisco Castellanos
  • Vented eave closure
    Patent number: D507829
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: July 26, 2005
    Inventor: Tom Francisco Castellanos
  • Vented eave closure
    Patent number: D508286
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: August 9, 2005
    Inventor: Tom Francisco Castellanos
  • Vented eave closure
    Patent number: D483133
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: December 2, 2003
    Inventor: Tom Francisco Castellanos