US Patent Issued to National Steel Car on Aug. 25 for "Railroad hopper car with flow through structure" (Canadian Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,484, issued on Aug. 25, was assigned to National Steel Car Ltd. (Hamilton, Canada).

"Railroad hopper car with flow through structure" was invented by Oliver M. Veit (Hamilton, Canada), Kenneth Wayne Black (Hamilton, Canada), Elliot Powidajko (Hamilton, Canada), Tomasz Bis (Ancaster, Canada), Harinder Singh Natt (Mississauga, Canada) and Zijian Yan (Oakville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A railroad hopper car has a hopper carried between two trucks, and has convergent end and side slope sheets that feed a bottom discharge. The bottom discharge has a rectangular frame. The bottom discharge is lower than the center sill. The ca...