Patents by Inventor D. Michael Barton

D. Michael Barton 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).

  • Pliant anchoring device for use with disposable ballast
    Patent number: 4922847
    Abstract: A pliant anchoring device (10) includes a pliant anchor (12) having a pliant pouch (14) and a pliant extension (16), a first rope (24) that is attached to a first attaching point (18), and a second rope (26) that is attached to a second attaching point (28). In use, disposable ballast (40) is placed in the anchor (12), and the anchor (12) is secured to a boat and lowered to the bottom (50) of a body of water. To retrieve the anchor (12), a tension force is put on the second rope (26) thereby repositioning the anchor (12) from a ballast-retaining position (54) to a ballast-dumping position (56), the ballast (40) is dumped from the anchor (12), and the anchor (12) is retrieved from the body of water.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: May 8, 1990
    Inventors: R. James Ryder, Jr., D. Michael Barton