Patents by Inventor Anthony L. Howell

Anthony L. Howell 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).

  • Toilet flush valve apparatus
    Patent number: 5105480
    Abstract: A pivoting cup is mounted on the flap valve of a toilet. Two flexible actuating elements control the position of the cup. The amount of water used for a flush depends on the orientation of the cup. If the cup is selectively oriented to hold water, a partial level flush can be achieved.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: April 21, 1992
    Inventors: Anthony L. Howell, Thomas A. Howell