Patents by Inventor Daniel Giraud

Daniel Giraud 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).

  • Patent number: 6328072
    Abstract: A safety device for protecting a fluid pipeline (1) from an excessive flow of the fluid running through it. The device includes a body (2) delimited by a tubular wall (20), having an upstream end (21) and a downstream end (22) and being selectively inserted into the pipeline (1). A valve (3), which is sensitive to a pressure loss, is supported by the body (2) and disposed between the upstream and downstream ends. A retaining means (4a, 4b) holds the body (2) in place inside the pipeline (1). An inflatable envelope (5) is provided outside the body for impermeably encasing a section of effective length of the tubular wall (20) into which at least one first opening (231) is cut.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: December 11, 2001
    Assignee: Gaz de France-(GDF) Service National
    Inventors: Jean-Luc Mahe, Daniel Giraud, David Leme, Robert Drouvin
  • Patent number: 4806924
    Abstract: The present invention relates to an advertising information display system comprising a device for starting the display of the advertising information on certain elements of the display panels; a computer device receiving information from the output of the various infrared radiation pick-ups emitting logic signals towards the display monitoring and control device associated with each panel to cause the displacement of the message on the display panel elements in accordance with the movements of the camera.
    Type: Grant
    Filed: June 21, 1985
    Date of Patent: February 21, 1989
    Inventors: Daniel Giraud, Regis Dufrenne, Jean Charron