Patents by Inventor Alain J. Koehl

Alain J. Koehl 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).

  • Apparatus for positioning road curbs, autoblocking paving blocks and the like
    Patent number: 4740102
    Abstract: A carrier machine for laying sidewalk curbs or paving stones combines pallet transportation forks with a lifting device mounted on an orientable horizontal distribution apparatus, with a prehensive member for grasping the items to be laid and a control to be operated by the laying operator. The control is placed on the prehensive member.
    Type: Grant
    Filed: January 24, 1986
    Date of Patent: April 26, 1988
    Inventors: Jean-Marie G. R. Koehl, Alain J. Koehl, Francois A. Koehl