Patents by Inventor Attilio Lanfranconi

Attilio Lanfranconi 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).

  • Above-ground conductor unit with corona noise reducing covering
    Patent number: 4383133
    Abstract: An overhead conductor unit used for transmitting high voltage, alternating current, electrical energy which comprises one conductor or several metallic wires grouped together and a thin plastic cladding, a resin or resin-rubber, around the conductor or wires. The plastic cladding includes at least one conductive composition, generally, carbon black, in an amount of 5-40 parts by weight and at least one hydrorepellent composition present in 1-10 parts by weight. The thus obtained overhead conductor unit reduces, or prevents, corona noises when the unit becomes wet.
    Type: Grant
    Filed: June 17, 1981
    Date of Patent: May 10, 1983
    Assignee: Societa' Cavi Pirelli S.p.A.
    Inventor: Attilio Lanfranconi
  • Above-ground conductor unit with corona noise reducing covering comprising a conductive material and a hydrophilic material
    Patent number: 4358637
    Abstract: An overhead conductor unit used for transmitting high voltage, alternating current, electrical energy which comprises one conductor or several metallic wires grouped together and a thin plastic cladding, a resin or resin-rubber, around the conductor or wires. The plastic cladding includes at least one conductive composition, generally, carbon black in an amount of 5-40 parts by weight and at least one hydrophilic composition present in 1-10 parts by weight. The thus obtained overhead conductor unit reduces, or prevents, corona noises when the unit becomes wet.
    Type: Grant
    Filed: June 17, 1981
    Date of Patent: November 9, 1982
    Assignee: Societa Cavi Pirelli S.p.A.
    Inventor: Attilio Lanfranconi