Patents by Inventor Andre E. Lange

Andre E. Lange 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: 5431001
    Abstract: A rake having a handle at one end of which a housing is mounted containing a drive mechanism actuated by a motor. The drive mechanism reciprocates a cutting blade having a cutting plane parallel to the surface being worked and which blade includes a plurality of teeth directed in a direction for normal raking the surface being worked. A second fixed or movable cutting blade cooperates with the first cutting blade to form a plurality of parallel shears. Shoes are provided to support the first and second cutting blades at a height above the surface to be worked and collection elements may be mounted to the rake at the rear of the cutting blades for temporarily retaining cut waste.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: July 11, 1995
    Assignee: Les Forges des Margerides
    Inventor: Andre E. Lange