Patents by Inventor David Headrick

David Headrick 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).

  • SUSPENSION SYSTEM FOR POWER WHEELCHAIR STANDER
    Publication number: 20220409458
    Abstract: A wheelchair including a frame and a suspension system. The suspension system may have at least one front caster arm pivotally connected to the frame, a front caster connected to the front caster arm, a first link, and a second link. The first link is pivotally connected to the frame, and the second link is slidably connected to the front caster arm and pivotally connected to the first link.
    Type: Application
    Filed: July 25, 2022
    Publication date: December 29, 2022
    Inventors: David Ciolfe, David Headrick, Son MA
  • Suspension system for power wheelchair stander
    Patent number: 11426313
    Abstract: A wheelchair including a frame and a suspension system. The suspension system may have at least one front caster arm pivotally connected to the frame, a front caster connected to the front caster arm, a first link, and a second link. The first link is pivotally connected to the frame, and the second link is slidably connected to the front caster arm and pivotally connected to the first link.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: August 30, 2022
    Assignee: MOTION CONCEPTS L.P.
    Inventors: David Ciolfe, David Headrick, Son Ma
  • SUSPENSION SYSTEM FOR POWER WHEELCHAIR STANDER
    Publication number: 20200297561
    Abstract: A wheelchair including a frame and a suspension system. The suspension system may have at least one front caster arm pivotally connected to the frame, a front caster connected to the front caster arm, a first link, and a second link. The first link is pivotally connected to the frame, and the second link is slidably connected to the front caster arm and pivotally connected to the first link.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 24, 2020
    Inventors: David Ciolfe, David Headrick, Son Ma