Patents by Inventor Rafael Delgado Zafra

Rafael Delgado Zafra 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).

  • Fluid discharge floodgate improved for cistern aircrafts dedicated to fight fires
    Publication number: 20030029507
    Abstract: A fluid discharge floodgate improved for cistern aircrafts dedicated to fight fires comprising a first door, which opens toward an outside of the aircraft, and a second door that opens toward the interior of the aircraft. The first door and the second door are interconnected by a first rod, and a first lever and the combination of the first rod and the first lever forces the doors to open in opposite directions.
    Type: Application
    Filed: August 12, 2002
    Publication date: February 13, 2003
    Inventors: Rafael Delgado Zafra, Fernando Espejo Delgado