Patents by Inventor Robert D. De Parny

Robert D. De Parny 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).

  • Modulable helicopter-carried nacelle to be placed on overhead cables
    Patent number: 5273239
    Abstract: The present invention provides nacelles or cars (10) and a catwalk or platform (30) which make it possible to instantaneously place one or more operators (2) on overhead cables (1) for carrying out different work activities. Each nacelle (10) is a preferably latticed, metallic structure having pivoting walls (8) for extending the field of action of each operator. Each nacelle has means (5) for attaching to the cables (1). The catwalk (30) can be opened out and is located at the ends of each of the nacelles (10). The present invention is particularly adapted for used in the maintenance and arrangement of electric cables.
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: December 28, 1993
    Assignee: Electricite de France Service National
    Inventors: Robert D. De Parny, Gerard Moudin, Philippe Ruaux