Patents by Inventor Daniel Valentin

Daniel Valentin 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).

  • Differential device
    Patent number: 4831890
    Abstract: Differential device comprising a housing (1) which carries differential pinions (2) with axis parallel to the axis of the housing (1) and two movement outputs which are each accomplished by a differential side gear (5) and (6).One of the movement outputs is accomplished by means of standard pinions: differential pinion (3) and differential side gear (5), while the other movement output is achieved by means of special pinions rotating in the same direction: differential pinion (4) and differential side gear (6). The differential pinions (3) and (4) are mounted on the same shaft (7) and are solid with one another.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: May 23, 1989
    Assignee: Regie Nationale des Usines Renault
    Inventors: Daniel Valentin, Jacques Mercier