Patents by Inventor Walter Spieker

Walter Spieker 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).

  • Track wheel having a lightweight construction
    Patent number: 4067600
    Abstract: A wheel of lightweight construction useful as a wheel for a railroad car having a hub portion and a rim portion. The hub portion is connected to the rim portion by a pair of spaced apart opposed concavely shaped wheel discs positioned back-to-back. Each of the wheel discs has a main portion running between the hub and the rim. The main portion has integral therewith at each end thereof an arcuately shaped transitional portion which terminates in an edge. One of these transitional portions contiguously abuts and is affixed to one of two oppositely inclined flanks of the hub. The other of the transitional portions contiguously abuts and is affixed to one of two oppositely inclined flanks of the rim.
    Type: Grant
    Filed: July 29, 1975
    Date of Patent: January 10, 1978
    Assignee: Fried. Krupp Huttenwerke AG
    Inventors: Walter Knorr, Helmut Licht, Erwin Raquet, Walter Spieker