Patents by Inventor Gary D. Renfro

Gary D. Renfro 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: 20260069486
    Abstract: Disclosed herein is an orthopedic device and methods to aid in reducing weight or pressure on a portion of a subject's knee while maintaining stability and normal gait patterns following injury or surgery. Certain embodiments include a main shaft for use in an orthopedic device, wherein the main shaft includes a curved portion. In embodiments, the curved portion cures outwardly in the walking direction. The curvature can comprise a curvature that is consistent with the maximum knee flexion angle that is observed during the loading phase of the normal gait cycle. In embodiments, the device further comprises a handle portion and a foot, wherein the main shaft is disposed between the handle portion and the foot. Additional aspects include a method of promoting the healing or recovery in a subject following injury or surgery of the knee using any one or more of the orthopedic devices disclosed herein.
    Type: Application
    Filed: November 17, 2025
    Publication date: March 12, 2026
    Applicant: IIWWMS, Inc.
    Inventors: Charles R. Kaelin, JR., Gary D. Renfro
  • Patent number: 12472119
    Abstract: Disclosed herein is an orthopedic device and methods to aid in reducing weight or pressure on a portion of a subject's knee while maintaining stability and normal gait patterns following injury or surgery. Certain embodiments include a main shaft for use in an orthopedic device, wherein the main shaft includes a curved portion. In embodiments, the curved portion cures outwardly in the walking direction. The curvature can comprise a curvature that is consistent with the maximum knee flexion angle that is observed during the loading phase of the normal gait cycle. In embodiments, the device further comprises a handle portion and a foot, wherein the main shaft is disposed between the handle portion and the foot. Additional aspects include a method of promoting the healing or recovery in a subject following injury or surgery of the knee using any one or more of the orthopedic devices disclosed herein.
    Type: Grant
    Filed: May 3, 2024
    Date of Patent: November 18, 2025
    Assignee: IIWWMS, Inc.
    Inventors: Charles R. Kaelin, Jr., Gary D. Renfro
  • Publication number: 20240366459
    Abstract: Disclosed herein is an orthopedic device and methods to aid in reducing weight or pressure on a portion of a subject's knee while maintaining stability and normal gait patterns following injury or surgery. Certain embodiments include a main shaft for use in an orthopedic device, wherein the main shaft includes a curved portion. In embodiments, the curved portion cures outwardly in the walking direction. The curvature can comprise a curvature that is consistent with the maximum knee flexion angle that is observed during the loading phase of the normal gait cycle. In embodiments, the device further comprises a handle portion and a foot, wherein the main shaft is disposed between the handle portion and the foot. Additional aspects include a method of promoting the healing or recovery in a subject following injury or surgery of the knee using any one or more of the orthopedic devices disclosed herein.
    Type: Application
    Filed: May 3, 2024
    Publication date: November 7, 2024
    Inventors: Charles R. Kaelin, JR., Gary D. Renfro
  • Patent number: D1052255
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: November 26, 2024
    Assignee: IIWWMS, Inc.
    Inventors: Charles R. Kaelin, Jr., Gary D. Renfro