Patents by Inventor Robert D. Brewer

Robert D. Brewer 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).

  • Device for cleaning a hose
    Patent number: 6763547
    Abstract: A device can clean hoses of varying dimensions and uses vacuum, wiping and jet spray to clean a hose. The device can be used to clean carpet cleaning hoses and can be transported on a vehicle.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: July 20, 2004
    Inventors: Robert D. Brewer, James K. Watson