Patents by Inventor Costantino Ronchi

Costantino Ronchi 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).

  • Patent number: 4854059
    Abstract: A steam iron sole plate comprises a substantially flat body in which an electric resistor is incorporated. The body defines in its interior a cavity open towards the rear face of the body. An insert can be applied so as to close the cavity and defines an inlet for the introduction of water and/or steam into the cavity. A plurality of holes for the delivery of steam, communicating with the cavity, is provided on the lower ironing face of the body.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: August 8, 1989
    Inventor: Costantino Ronchi