Patents by Inventor Yves R. M. Ollivier

Yves R. M. Ollivier 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: 5248857
    Abstract: The invention concerns an apparatus for the acquisition of a seismic signal transmitted by a drill bit, placed at the end of a drill pipe rotating about an axis of rotation.
    Type: Grant
    Filed: February 4, 1993
    Date of Patent: September 28, 1993
    Assignee: Compagnie Generale de Geophysique
    Inventor: Yves R. M. Ollivier