Patents by Inventor Christofer Feldmeier

Christofer Feldmeier 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).

  • Wheel for railway vehicle
    Patent number: 11059322
    Abstract: The wheel is for a railway vehicle that travels on a rail. The wheel includes a wheel tread, a flange and a throat portion. The wheel tread is provided at an outer circumferential portion of the wheel. The wheel tread faces a head surface of the rail. The flange is provided at the outer circumferential portion of the wheel. The flange projects further outward than the wheel tread in the radial direction of the wheel. The throat portion connects the surface of the flange and the wheel tread. The throat portion has a protrusion. The protrusion projects to the rail side. The protrusion extends along the entire circumference of the throat portion.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: July 13, 2021
    Assignees: NIPPON STEEL CORPORATION, UNIVERSITY OF IOWA RESEARCH FOUNDATION
    Inventors: Yohsuke Yamazaki, Osamu Kondo, Takanori Kato, Takahiro Fujimoto, Hiroyuki Sugiyama, Christofer Feldmeier
  • WHEEL FOR RAILWAY VEHICLE
    Publication number: 20200062030
    Abstract: The wheel is for a railway vehicle that travels on a rail. The wheel includes a wheel tread, a flange and a throat portion. The wheel tread is provided at an outer circumferential portion of the wheel. The wheel tread faces a head surface of the rail. The flange is provided at the outer circumferential portion of the wheel. The flange projects further outward than the wheel tread in the radial direction of the wheel. The throat portion connects the surface of the flange and the wheel tread. The throat portion has a protrusion. The protrusion projects to the rail side. The protrusion extends along the entire circumference of the throat portion.
    Type: Application
    Filed: August 23, 2018
    Publication date: February 27, 2020
    Inventors: Yohsuke Yamazaki, Osamu Kondo, Takanori Kato, Takahiro Fujimoto, Hiroyuki Sugiyama, Christofer Feldmeier