Patents by Inventor Antonio Roa

Antonio Roa 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).

  • Rotatable barrier for retaining a vehicle in a railroad boxcar during loading procedures
    Patent number: 8875440
    Abstract: The present invention is a safety barrier for providing safety to forklifts while loading boxcars. The safety barrier includes a stationary structure attached to a barrier structure via a linking structure. The stationary structure comprises a number of bollards and the linking structure comprises a first portion and a second portion for attaching to the bollards. The barrier structure comprises a barrier end mounted to the linking structure by way of support posts, a pair of weighted ends attached to the linking structure by way of support posts. The barrier structure is rotatably mounted upon the linking structure such that barrier structure articulates between a deployed position and a non-deployed position to ensure safety to forklifts during loading procedures.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: November 4, 2014
    Inventors: Jose Duran, Antonio Roa