Patents by Inventor Bengt R. Silfversparre

Bengt R. Silfversparre 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).

  • Pivotable rigid line for linking sailor to boom of surfboard sailboat
    Patent number: 4480567
    Abstract: By replacing the line which links the sailor with the boom, when surf sailing subject to wind pressure and using a so-called harness, by a linking device (4) which is self-supporting and secured to boom (1) in such a manner as to be capable of being swung up and down, the sailor can, without letting go of boom (1), control the linking device (4) with his hands (2) and secure it to or remove it from the harness hook 3 located on the sailor's chest.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: November 6, 1984
    Inventor: Bengt R. Silfversparre