Patents by Inventor Oscar DeRomano

Oscar DeRomano 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).

  • Irrigation apparatus
    Patent number: 4094466
    Abstract: A device for underground drainage and irrigation of soil. The device includes a porous element which can be engaged about a distribution pipe at a perforation or opening in the pipe. In one form, the porous element comprises an annular flange connecting adjacent pipe sections. In another embodiment, the element can be clipped over an aperture or orifice in the pipe.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: June 13, 1978
    Inventor: Oscar DeRomano