Patents by Inventor Timothy V. Treadwell

Timothy V. Treadwell 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).

  • Railroad car diaphragm
    Patent number: 8201503
    Abstract: A railcar diaphragm is described having a first and a second plate assembly, a bellows assembly, and a spring assembly. The first plate assembly is coupled to a railcar. The second plate assembly is configured to contact another railcar. The bellows is disposed between first and second plate assemblies. The spring assembly includes a leaf spring and a pivot member coupled to the leaf spring. The first and second plate assemblies are coupled through the spring assembly. The spring assembly has a first and a second configuration based on whether the railcar is engaged to another railcar. The spring assembly and the second plate assembly can collectively swivel about a centerpoint associated with the pivot member when the spring assembly is in the second configuration and the railcar is in a curved portion of a track.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: June 19, 2012
    Assignee: RailPlan International, Inc.
    Inventors: Douglas A. Huppert, Terry B. Soesbee, Timothy V. Treadwell
  • RAILROAD CAR DIAPHRAGM
    Publication number: 20100212538
    Abstract: A railcar diaphragm is described having a first and a second plate assembly, a bellows assembly, and a spring assembly. The first plate assembly is coupled to a railcar. The second plate assembly is configured to contact another railcar. The bellows is disposed between first and second plate assemblies. The spring assembly includes a leaf spring and a pivot member coupled to the leaf spring. The first and second plate assemblies are coupled through the spring assembly. The spring assembly has a first and a second configuration based on whether the railcar is engaged to another railcar. The spring assembly and the second plate assembly can collectively swivel about a centerpoint associated with the pivot member when the spring assembly is in the second configuration and the railcar is in a curved portion of a track.
    Type: Application
    Filed: January 27, 2010
    Publication date: August 26, 2010
    Inventors: Douglas A. HUPPERT, Terry B. SOESBEE, Timothy V. TREADWELL