Patents by Inventor Andrew Hvizd, Jr.

Andrew Hvizd, Jr. 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).

  • Insulated high voltage cables
    Patent number: 4361723
    Abstract: There is provided an insulated high voltage cable which possesses the property of lower dielectric losses than prior art cables. The cable comprises a conductor insulated with at least two laminar layers of insulating material. At least one of the layers is relatively thick and has a low SIC. At least one other of the layers has a high SIC and is in contact with a surface of the low SIC layer. The high SIC layer is relatively thin and has a tan .delta./SIC value no greater than 0.005 over a temperature range of 40.degree. to 90.degree. C.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: November 30, 1982
    Assignee: Harvey Hubbell Incorporated
    Inventors: Andrew Hvizd, Jr., Richard T. Pye