Patents by Inventor Alberto F. Alvarez-Calderon

Alberto F. Alvarez-Calderon 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: 7281484
    Abstract: A transonic hull having a bow, a stern, a longitudinal length therebetween, side surfaces extending from the bow to outboard portions of the stern, a lower surface extending between the side surfaces, the transonic hull having a submerged volume with an approximately triangular shape in plan view with apex adjacent the bow and a base adjacent the stern, and an approximately triangular shape in side view when in motion with a base adjacent the bow and an apex adjacent the stern.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: October 16, 2007
    Inventor: Alberto F. Alvarez-Calderon