Patents by Inventor Leslav M. Nieviarovski

Leslav M. Nieviarovski 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).

  • Schnabel car bogie
    Patent number: 4164906
    Abstract: An improved multiple span bolster or "schnabel" car arrangement in which a first arrangement is provided for inhibiting lifting of the lower inboard span bolster in response to compressive forces when the schnabel car halves are being transported empty and in which another means is provided for inhibiting jackknifing by restricting relative pivotal movement between the upper span bolster and a lower span bolster.
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: August 21, 1979
    Assignee: Norca Corporation
    Inventor: Leslav M. Nieviarovski