Patents by Inventor Egon Schubert

Egon Schubert 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).

  • Method and apparatus for indicating track conditions
    Patent number: 3992935
    Abstract: Changes in acceleration caused by local track conditions are directly or indirectly measured as a car moves over a track section. The resultant signals are totalled to produce a signal or parameter characteristic of the track section condition, and this is compared with a comparison signal characteristic of a track condition norm.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: November 23, 1976
    Assignee: Franz Plasser Bahnbaumaschinen-Industrie-Gesellschaft m.b.H.
    Inventor: Egon Schubert