Patents by Inventor John D. Guzman

John D. Guzman 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).

  • Door assembly stability systems for public transportation
    Patent number: 10391845
    Abstract: A door assembly system for public transportation that includes: a public transportation vehicle having an outer shell and an inner passenger compartment; at least one door having an outer surface, an inner surface, a top, a bottom and two sides, wherein the door slides to open so that passengers can enter or exit the inner passenger compartment; a C-shaped rail, wherein the rail is coupled to the outer shell of the vehicle; and a coupling component that is coupled to the inner surface of the door and is designed to mate with or engage with the C-shaped rail in a slideable manner.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: August 27, 2019
    Inventors: John D Guzman, Cindy Marie Guzman Reyes
  • Door Assembly Stability Systems for Public Transportation
    Publication number: 20180056761
    Abstract: A door assembly system for public transportation that includes: a public transportation vehicle having an outer shell and an inner passenger compartment; at least one door having an outer surface, an inner surface, a top, a bottom and two sides, wherein the door slides to open so that passengers can enter or exit the inner passenger compartment; a C-shaped rail, wherein the rail is coupled to the outer shell of the vehicle; and a coupling component that is coupled to the inner surface of the door and is designed to mate with or engage with the C-shaped rail in a slideable manner.
    Type: Application
    Filed: August 31, 2016
    Publication date: March 1, 2018
    Applicant: Railcar Parts Manufacturing, Inc.
    Inventors: John D. Guzman, Cindy Marie Guzman Reyes