Patents by Inventor Willi Kasper

Willi Kasper 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: 4496183
    Abstract: A rail wheel has in one of its rim surfaces, preferably the inner one, a circumferential undercut groove. Vibration-damping elements are connected to the wheel by means of screws which either engage in the undercut groove via appropriately shaped heads, or are threaded into wedges lodged in the groove.
    Type: Grant
    Filed: August 17, 1981
    Date of Patent: January 29, 1985
    Assignee: Krupp Stahl Aktiengesellschaft
    Inventors: Willi Kasper, Helmut Licht, Erwin Raquet, Jurgen Schneider
  • Patent number: 3980333
    Abstract: A rubber-suspended railway wheel having a highly-prestressed rubber insert embedded in facing annular grooves formed in the wheel rim and in the wheel tire and wherein, in order to restrict the extent of axial movement between the wheel tire and wheel rim, a shoulder of the annular groove of the wheel rim overlaps a shoulder of the annular groove of the wheel tire.
    Type: Grant
    Filed: September 26, 1974
    Date of Patent: September 14, 1976
    Inventors: Willi Kasper, Helmut Licht
  • Patent number: 3960400
    Abstract: A railway wheel of lightweight construction, having a disc-like wheel body and a tire which is tension-mounted on the wheel rim, and with the wheel disc including a tangential undulating or wavelike configuration of radially extending crests and troughs. In the railway wheel, between an inner annularly extending groove formed in the wheel tire and an outer annular groove formed in the wheel rim, there is provided a pre-tensioned or pre-stressed rubber insert, and in which the wheel disc has a radially unwaved conical basic configuration.
    Type: Grant
    Filed: May 6, 1974
    Date of Patent: June 1, 1976
    Assignee: Fried. Krupp Huttenwerke AG
    Inventors: Helmut Licht, Willi Kasper