Patents by Inventor Kevin G. Johnson

Kevin G. Johnson 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: 11697441
    Abstract: A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: July 11, 2023
    Assignee: O-Ring Sales & Service, Inc.
    Inventors: Kevin G. Johnson, Richard Uriah Ralston, Andrew Allen Johnson
  • Publication number: 20200339164
    Abstract: A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.
    Type: Application
    Filed: July 14, 2020
    Publication date: October 29, 2020
    Applicant: O-Ring Sales & Service, Inc.
    Inventors: Kevin G. Johnson, Richard Uriah Ralston, Andrew Allen Johnson
  • Patent number: 10737706
    Abstract: A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: August 11, 2020
    Assignee: O-RIng Sales & Service, Inc.
    Inventors: Kevin G. Johnson, Richard Uriah Ralston, Andrew Allen Johnson
  • Publication number: 20180118235
    Abstract: A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.
    Type: Application
    Filed: December 29, 2017
    Publication date: May 3, 2018
    Applicant: O-Ring Sales & Service, Inc.
    Inventors: Kevin G. Johnson, Richard Uriah Ralston, Andrew Allen Johnson
  • Patent number: 9868453
    Abstract: A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 16, 2018
    Assignee: O-Ring Sales & Service, Inc.
    Inventors: Kevin G. Johnson, Richard Uriah Ralston, Andrew Allen Johnson
  • Publication number: 20170334469
    Abstract: A railcar end unit is operable to be mounted in a center sill between buff and draft sill stops. The buff and draft end bodies are configured to be shiftably mounted relative to the center sill to engage the respective sill stops and to shift axially relative to one another along a unit axis. The end unit includes a buff spring pack operably mounted between the end bodies and compressible along the unit axis from a neutral condition to a compressed condition.
    Type: Application
    Filed: May 22, 2017
    Publication date: November 23, 2017
    Applicant: O-Ring Sales & Service, Inc.
    Inventors: Kevin G. Johnson, Richard Uriah Ralston, Andrew Allen Johnson