Patents by Inventor Hilbert Noorman

Hilbert Noorman 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).

  • Mast for sailboats and the like
    Patent number: 5131344
    Abstract: A mast for use in sailboats and other sail-propelled craft has two elongated solid or hollow sections with confronting at least partially concave internal surfaces, and a plurality of transversely extending crosspieces between the internal surfaces. If the sections are hollow, they can be at least partially filled with foamed polyurethane and/or with elongated wooden or metallic tubes.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: July 21, 1992
    Inventor: Hilbert Noorman