Patents by Inventor David R. Maddox

David R. Maddox 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).

  • Drive link system and tufting machines comprising same
    Patent number: 9139943
    Abstract: Implementation disclosed herein describe a drive link systems for use in a tufting machine. The drive link systems include a goose-neck, a rocker arm, and three drive links that impart increased rigidity to the connection between the goose-neck and the rocker arm. The drive link systems are provided without a lubrication system. The rocker arm and the drive links are formed of light-weight material.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: September 22, 2015
    Assignee: Columbia Insurance Company
    Inventor: David R. Maddox
  • Drive Link System And Tufting Machines Comprising Same
    Publication number: 20140260797
    Abstract: Implementationd disclosed herein describe a drive link systems for use in a tufting machine. The drive link systems include a goose-neck, a rocker arm, and three drive links that impart increased rigidity to the connection between the goose-neck and the rocker arm. The drive link systems are provided without a lubrication system. The rocker arm and the drive links are formed of light-weight material.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 18, 2014
    Applicant: Shaw Industries Group, Inc.
    Inventor: David R. Maddox