Patents Examined by Michael Cyran
  • Patent number: 7197925
    Abstract: Wind indicator apparatus for indicating air flow comprising: a direction pointer, including a vane member, for providing a visible indication of air flow direction; pivoting means including a fixed portion for coupling to a sailing craft and a pivotable portion able to pivot with respect to said fixed portion and with which said direction pointer is entrained for movement therewith; and a counterbalance extending from said pivotable portion of said pivoting means and arranged to move therewith, the mass of the counterbalance being disposed so as to maintain the direction pointer in a substantially level position.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: April 3, 2007
    Inventor: Jude Barker-Mill