Patents by Inventor Harold B. Carr

Harold B. Carr 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).

  • Guide device for toothed roll shredder
    Patent number: 4871120
    Abstract: A device for vertically guiding articles into a toothed roll shredder, having opposing arm members and allowing articulation of the arm members in one direction to allow freedom of movement of material exiting the shredder during reverse rotation. Articulation is restricted in the opposite direction in order to ensure proper vertical alignment of the entering article.
    Type: Grant
    Filed: January 31, 1989
    Date of Patent: October 3, 1989
    Inventor: Harold B. Carr
  • Marine propulsion and control arrangement
    Patent number: 4815996
    Abstract: A marine propulsion unit providing for steerable legs for the propeller of a boat which are rotatable in steering direction through 360.degree.. A transmission is provided having spiral bevel gears arranged so that for a constant direction of rotation bearing, loading for parts below the hull can be significantly reduced. There are provided two separate legs having a common drive each being rotatable in steering direction through 360.degree. so that reverse thrust can be achieved without changing the rotating direction of the thrusting propellers relative to their support.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: March 28, 1989
    Assignees: Harold Brian Carr, Arnold Stephen Lundy
    Inventor: Harold B. Carr