Patents by Inventor Umberto Grasselli

Umberto Grasselli 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).

  • Electrical cable with grounding device
    Publication number: 20030066670
    Abstract: An electric power supply cable comprises a core made up of a conductor coated with a layer of insulating material and enveloped in a second conductor, woven with wire, strands, plait, strap or mesh, which surrounds it concentrically in the form of a sheath. The second conductor is protected and coated with an outer jacket of insulating material and inside the outer jacket there are provided at least two cores, each of which are enveloped in a respective woven conductor.
    Type: Application
    Filed: January 10, 2002
    Publication date: April 10, 2003
    Inventors: Giuseppe Parise, Umberto Grasselli, Luigi Martirano, Luciano Benetti