Patents by Inventor Wilhelm Hoven

Wilhelm Hoven 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).

  • Helical sliding drive starter
    Patent number: 4327300
    Abstract: A helical sliding drive starter with a freewheel unit having a multiple disc clutch configured to drivingly engage and disengage a starter motor shaft and a pinion shaft. Certain ones of the discs have outer teeth that engage toothed channels in the motor shaft and certain other ones of the discs have inner teeth that engage toothed ribs on the pinion shaft. The discs, toothed channels and toothed ribs cooperate to cause axial engagement and disengagement of the freewheel unit with the motor shaft and pinion shaft.
    Type: Grant
    Filed: December 12, 1978
    Date of Patent: April 27, 1982
    Inventor: Wilhelm Hoven