Patents by Inventor Frederick Kiwak

Frederick Kiwak 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).

  • Personal mobility vehicle suspension system having a compensation mechanism
    Patent number: 7506709
    Abstract: A personal mobility vehicle (PMV) is provided having suspension assemblies located on lateral sides thereof. The suspension assemblies each include a main pivot arm having first and second main-arm-ends, an intermediate portion, and a first wheel connected to the first main-arm-end. The intermediate portion is pivotally connected to one of the lateral sides, with the first main-arm-end and first wheel extending in a first direction from the vehicle frame. A center drive wheel is located on the second main-arm-end of the main pivot arm. A wheel support arm having first and second support-arm-ends and a second wheel connected to the second support arm end is pivotally connected to one of the lateral sides. The first support-arm-end is slidably engaged with the main pivot arm, and the second support-arm-end and the second wheel extend in a second direction, generally opposite the first direction.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: March 24, 2009
    Inventors: Frederick Kiwak, Jonathan Jaffe, Chris McConnell
  • Personal mobility vehicle suspension system having a compensation mechanism
    Publication number: 20060097475
    Abstract: A personal mobility vehicle (PMV) is provided having suspension assemblies located on lateral sides thereof. The suspension assemblies each include a main pivot arm having first and second main-arm-ends, an intermediate portion, and a first wheel connected to the first main-arm-end. The intermediate portion is pivotally connected to one of the lateral sides, with the first main-arm-end and first wheel extending in a first direction from the vehicle frame. A center drive wheel is located on the second main-arm-end of the main pivot arm. A wheel support arm having first and second support-arm-ends and a second wheel connected to the second support arm end is pivotally connected to one of the lateral sides. The first support-arm-end is slidably engaged with the main pivot arm, and the second support-arm-end and the second wheel extend in a second direction, generally opposite the first direction.
    Type: Application
    Filed: October 24, 2005
    Publication date: May 11, 2006
    Inventors: Frederick Kiwak, Jonathan Jaffe, Chris McConnell