Patents by Inventor John A. Bittel

John A. Bittel 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).

  • Swimming pool ladder guard
    Patent number: 5084919
    Abstract: An L-shaped swimming pool ladder guard having hooks for attachment to a swimming pool ladder to prevent an automatic pool cleaner from being entangled between the ladder and the pool wall.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: February 4, 1992
    Inventor: John A. Bittel, Sr.
  • Tear top can opener
    Patent number: 5018409
    Abstract: A tear top can opener for opening the closure of a container having a pull ring located adjacent the peripheral edge of the container including a handle, an opener end formed with a finger perpendicular to the longitudinal axis of the opener for engaging the pull ring and a bulbous body having a parabolic shaped edge for allowing the opener to be pivoted on the container in order to lift the pull ring vertically to open the closure.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: May 28, 1991
    Inventor: John A. Bittel