Patents by Inventor Sean Gregory Mailen

Sean Gregory Mailen 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).

  • Two-piece upper chain guide
    Patent number: 11827311
    Abstract: An assembly for minimizing the disengagement of a chain from a chain ring is disclosed. The assembly includes a bracket and a chain guide assembly. The chain guide assembly includes an inboard leg, an outboard leg, and a lock. The lock may be configured to allow a rider to remove the outboard leg of the chain guide assembly without tools.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: November 28, 2023
    Assignee: Eko Sport, Inc.
    Inventors: Darek C. Barefoot, Scott Winans, Timothy A. Fry, Sean Gregory Mailen
  • Two-Piece Upper Chain Guide
    Publication number: 20230192234
    Abstract: An assembly for minimizing the disengagement of a chain from a chain ring is disclosed. The assembly includes a bracket and a chain guide assembly. The chain guide assembly includes an inboard leg, an outboard leg, and a lock. The lock may be configured to allow a rider to remove the outboard leg of the chain guide assembly without tools.
    Type: Application
    Filed: February 23, 2023
    Publication date: June 22, 2023
    Inventors: Darek C. Barefoot, Scott Winans, Timothy A. Fry, Sean Gregory Mailen
  • Two-piece upper chain guide
    Patent number: 11613326
    Abstract: An assembly for minimizing the disengagement of a chain from a chain ring is disclosed. The assembly includes a bracket and a chain guide assembly. The chain guide assembly includes an inboard leg, an outboard leg, and a lock. The lock may be configured to allow a rider to remove the outboard leg of the chain guide assembly without tools.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: March 28, 2023
    Assignee: Eko Sport, Inc.
    Inventors: Darek C. Barefoot, Scott Winans, Timothy A. Fry, Sean Gregory Mailen
  • Rotationally-Engaging Two-Piece Upper Chain Guide
    Publication number: 20220106015
    Abstract: An assembly for minimizing the disengagement of a chain from a chain ring is disclosed. The assembly includes an inboard leg and an outboard leg. Rotation of the outboard leg relative to the inboard leg locks the inboard leg in place relative to the outboard leg. Relative rotation locks the assembly onto a shaft. The assembly may include an outboard leg that snaps into place on the inboard leg and is capable of rotating between two extreme positions.
    Type: Application
    Filed: October 5, 2021
    Publication date: April 7, 2022
    Inventors: Scott Winans, Sean Gregory Mailen
  • Two-Piece Upper Chain Guide
    Publication number: 20220033033
    Abstract: An assembly for minimizing the disengagement of a chain from a chain ring is disclosed. The assembly includes a bracket and a chain guide assembly. The chain guide assembly includes an inboard leg, an outboard leg, and a lock. The lock may be configured to allow a rider to remove the outboard leg of the chain guide assembly without tools.
    Type: Application
    Filed: July 27, 2021
    Publication date: February 3, 2022
    Inventors: Darek C. Barefoot, Scott Winans, Timothy A. Fry, Sean Gregory Mailen