Patents by Inventor Wojciech RULEWICZ

Wojciech RULEWICZ 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).

  • Fabricated frame for railway truck
    Patent number: 9434395
    Abstract: A frame for use with a railway truck having a plurality of support springs is provided. The frame may have a bottom section with a plurality of first openings configured to receive the plurality of support springs, and a middle section welded to the bottom section. The frame may also have a top section spaced apart from the bottom section and welded to the middle section. The top section may have a plurality of second openings configured to register with the plurality of first openings in the bottom section, and a plurality of protrusions extending away from the middle section at the plurality of second openings to enclose exposed ends of the plurality of support springs.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: September 6, 2016
    Assignee: Electro-Motive Diesel, Inc.
    Inventors: David J. Goding, Wojciech Rulewicz
  • FABRICATED FRAME FOR RAILWAY TRUCK
    Publication number: 20150000551
    Abstract: A frame is disclosed for use with a railway truck having a plurality of support springs. The frame may have a bottom section with a plurality of first openings configured to receive the plurality of support springs, and a middle section welded to the bottom section. The frame may also have a top section spaced apart from the bottom section and welded to the middle section. The top section may have a plurality of second openings configured to register with the plurality of first openings in the bottom section, and a plurality of protrusions extending away from the middle section at the plurality of second openings to enclose exposed ends of the plurality of support springs.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 1, 2015
    Inventors: David J. GODING, Wojciech RULEWICZ