Patents by Inventor John Clutter

John Clutter 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).

  • Publication number: 20250352850
    Abstract: The doorway pullup bar is presented comprising the ability to safely and firmly rest on a header of a doorframe, whereby a friction strip is added to an underside of a cross-beam that extends between a first angle bar and a second angle bar of the doorway pullup bar. Further, the doorway pullup bar provides improved grip variety so that the user can engage with the same doorway pullup bar to securely perform a greater variety of exercises including chip ups, hammer pulls, and pullups in a variety of configurations. A left hand grip bar and a right hand grip bar each include two sets of holes that are adjustable by the user depending on the type of exercise to be performed and the type of training sought. The doorway pullup bar is adjustable to accommodate the variety of thicknesses and widths of doorframes.
    Type: Application
    Filed: May 19, 2024
    Publication date: November 20, 2025
    Applicant: Sun Six Innovation LLC
    Inventors: John Clutter, Alireza Yazdanshenas