Patents by Inventor Marcel Bloch

Marcel Bloch 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: 4400819
    Abstract: Means for locating accurately without ambiguity tomodensitometric sections sloping in any way with respect to an original predetermined plane. At least one locating element is disposed on the part to be examined by conventional tomodensitometry, this element having a baseline situated in the original plane and having at least one characteristic such as density, varying continuously or substantially continuously along a direction perpendicular to this baseline, the variation of this characteristic being measurable on the tomodensitometric images of the different sections; this characteristic may be in particular a dimension of the element: width perpendicular to the direction perpendicular to the base in the case where the element is a triangle.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: August 23, 1983
    Assignee: Compagnie Generale de Radiologie
    Inventors: Jean Bens, Marcel Bloch, Rene Chekroun, Remy Klausz