Patents by Inventor Giacinto Petrillo

Giacinto Petrillo 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).

  • High yield air diffuser for tanks used in the aerobic treatment of waste waters
    Patent number: 5032324
    Abstract: Diffuser (10) comprising a cylindrical body (11) inside which a helical section (12, 12a) is provided. At the base and at the top, a sparger (13) and a distributor (14) respectively are foreseen. Preferably a second sparger is foreseen at the top, around the distributor (14). Each sparger (13, 13a) consists of a hopper (15) having the major base provided with tongues (16) that radially depart from its periphery. Distributor (14) comprises a truncated-cone portion (24) having the minor base made up of a conical element (25), openings (26, 27) being provided both in the conical element and in the lateral surface of the hopper (15). The diffuser (10) is fixed to a suitable support (22) by means of tie rods (21) held on the protruding edge (18) of the upper sparger (13a).
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: July 16, 1991
    Inventor: Giacinto Petrillo