Patents by Inventor Andreas Frosch

Andreas Frosch 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).

  • Metal detecting device for a crop conveyor
    Patent number: 6252397
    Abstract: A metal detecting device for a crop conveyor has several closely spaced permanent magnets fixed within a hollow feed-roller in parallel with the shaft thereof. One pole of each magnet is directed radially outwardly such that its magnetic field penetrates through the hollow feed-roller and an adjoining crop-feed slot from inside to out, and wherein said magnetic field also passes axially through a respective sensor winding that is likewise arranged within the hollow feed-roller.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: June 26, 2001
    Assignee: Claas Selbstfahrende Erntemaschinen GmbH
    Inventors: Willi Behnke, Andreas Frosch