Patents by Inventor Alain Poiraud

Alain Poiraud 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).

  • Asymmetrical unballasted anchor
    Patent number: 7171917
    Abstract: An asymmetric boat anchor has an unballasted fluke (2), with a tip (6) and a back (8) with a curved edge (10); a shank (4) is mounted on the fluke. The edge (26) of the shank away from the tip (6) of the fluke is curved and the free end of the shank (18) is offset from a plane (30) tangent to the back edge (10) of the fluke and to the edge (26) of the shank. Thus, if the anchor is in a reverse position, contacting the sea ground through the edge of the shank and the back edge of the fluke, it will roll on the edge of the shank and turns to the anchoring position.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: February 6, 2007
    Inventor: Alain Poiraud
  • Asymmetrical unballasted anchor
    Publication number: 20040206291
    Abstract: An asymmetric boat anchor has an unballasted fluke (2), with a tip (6) and a back (8) with a curved edge (10); a shank (4) is mounted on the fluke. The edge (26) of the shank away from the tip (6) of the fluke is curved and the free end of the shank (18) is offset from a plane (30) tangent to the back edge (10) of the fluke and to the edge (26) of the shank. Thus, if the anchor is in a reverse position, contacting the sea ground through the edge of the shank and the back edge of the fluke, it will roll on the edge of the shank and turns to the anchoring position.
    Type: Application
    Filed: November 25, 2003
    Publication date: October 21, 2004
    Inventor: Alain Poiraud
  • Spearhead anchor
    Patent number: 5934219
    Abstract: A marine anchor designed so that it positions itself automatically and penetrates instantly into all kinds of sea beds with maximum holding power. The geometry and ballasting of the anchor ensure automatic positioning of the anchor. The off-center position of the ballast counter-balancing the weight of the shank places the center of gravity of the anchor as close as possible to the anchor tip, so that the tip can bear practically half the total weight of the anchor, the pressure exerted by the top on the sea bed is increased, and its penetration into the sea bed is promoted. The sharp corners between the two sides of the tip aids penetration into all kind of sea beds, including sea beds covered with thick seaweed, and the concave surface of the fluke provides maximum holding power. Said anchor is suitable for mooring yachts and fishing boats, as well as for marine industrial use.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: August 10, 1999
    Inventor: Alain A. Poiraud