Patents by Inventor Paul P. Sopt

Paul P. Sopt 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).

  • Patent number: 5361876
    Abstract: Truck mounted brake apparatus includes a bracket assembly which clamps onto the bolster of a railway car truck and which includes a multiplying lever, which is connected to both a pull rod assembly and a hand brake. A truck live lever connected at one end to the pull rod assembly and at the opposite end to a standard brake beam is also connected intermediate its ends to one end of an automatic slack adjuster which passes through the bolster. A truck dead lever is connected at one end to the bracket assembly, at the opposite end to another standard brake beam, and is connected intermediate its ends to the opposite end of the slack adjuster. One end of the multiplying lever is connected to a hand brake. A fluid actuable piston and cylinder assembly is attached to the bolster and connected to the truck live lever, where movement of the piston and movement of the hand brake actuates the brakes.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: November 8, 1994
    Assignee: Ellcon National, Inc.
    Inventors: Wallace F. Haverick, Paul P. Sopt
  • Patent number: D876299
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: February 25, 2020
    Assignee: AMSTED RAIL COMPANY, INC.
    Inventors: Jonathan Sunde, Paul P. Sopt