Patents by Inventor John David Kremer

John David Kremer 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: 20080018173
    Abstract: A track is formed from a plurality of circumferentially adjacent shoe tracks wherein each shoe track is connected to an adjacent shoe track by a pin extending along the length of each shoe track and a pin connector extending between the adjacent shoe tracks. A pair of laterally adjacent half tracks forms each shoe track. Each half track is comprised of a block with an integrally formed engagement horn extending at a right angle from the block. The engagement horn in each block is located at a position not more than 20% of the block of the block length from an interior end of each block. Each shoe track has at least one engagement opening.
    Type: Application
    Filed: July 21, 2006
    Publication date: January 24, 2008
    Inventors: John David Kremer, Andrew Joseph Balster, Daniel Lee Fullenkamp