Patents by Inventor Daniel François DE VILLIERS

Daniel François DE VILLIERS 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).

  • Armoured power cable
    Patent number: 11424051
    Abstract: An armoured power cable (10) comprises a cable core (11) and an armour layer (21) comprising a plurality of armouring wires (22) laid around the cable core (11), wherein at least 10% of the armouring wires (22) are wavy wires (23) having a zig-zag shape laying on the outer surface of the cable core (11).
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: August 23, 2022
    Assignee: PRYSMIAN S.P.A.
    Inventors: Richard John Pennell, Ian Dewi Lang, Daniel François De Villiers, Andrew Wynn
  • ARMOURED POWER CABLE
    Publication number: 20210118592
    Abstract: An armoured power cable (10) comprises a cable core (11) and an armour layer (21) comprising a plurality of armouring wires (22) laid around the cable core (11), wherein at least 10% of the armouring wires (22) are wavy wires (23) having a zig-zag shape laying on the outer surface of the cable core (11).
    Type: Application
    Filed: June 19, 2018
    Publication date: April 22, 2021
    Inventors: Richard John PENNELL, Ian Dewi LANG, Daniel François DE VILLIERS, Andrew WYNN