Patents by Inventor Edgar Pröschel

Edgar Pröschel 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).

  • Tire or solid wheel for wheelsets of rail vehicles
    Patent number: 6506266
    Abstract: A composition for steel used for tires or solid wheels of rail vehicles, which composition provides improved properties, in terms of wear, crack susceptibility, ability to withstand thermal loads, homogenous microstructural properties and suitability for high dynamic loads, as compared to standard steels used for tires or solid wheels of rail vehicles. The steel is a modification of AISI S2 steel previously only used for antifriction bearings. The elements of the composition and their presence by percentage of total mass of the steel and ratios of the presence of various elements are disclosed.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: January 14, 2003
    Assignee: Fag Oem und Handel AG
    Inventors: Edgar Pröschel, Heinz Stangner