Patents by Inventor Alexander S. Calvano

Alexander S. Calvano 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).

  • Water cleaner
    Patent number: 4064049
    Abstract: A water cleaner is formed of a hollow casing having a water inlet and a water outlet. An elongated tubing is secured to the interior of the casing and contains an inlet and an outlet and means for coupling the tubing inlet to the water inlet and the tubing outlet to the water outlet. A screen surrounds the exterior of the tubing and is secured thereto. A filter element surrounds the screen for removing impurities from the water passing from the casing inlet to the casing outlet.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: December 20, 1977
    Inventor: Alexander S. Calvano