Patents by Inventor Scott L. Critchfield

Scott L. Critchfield 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 chain cleaning device
    Patent number: 7682459
    Abstract: A cleaning device for cleaning a drive chain has a shaft, a motor for rotatably mounting the shaft, and a mounting element for mounting the motor such that the shaft is generally horizontal. A sprocket is mounted on the shaft with a wing nut such that the sprocket rotates with the shaft. The sprocket has teeth for engaging the drive chain. The cleaning device is adapted to be mounted over a container of a cleaning fluid for cleaning the drive chain.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: March 23, 2010
    Inventor: Scott L. Critchfield