Patents by Inventor Fred C. Hoyle

Fred C. Hoyle 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).

  • Patent number: 6857157
    Abstract: An all-in-one fitting brush system that is adapted for use in cleaning the ends of pipes and pipe fittings so that proper joints may be made between the pipes and the fittings. The all-in-one fitting brush system includes a handle, a dog leg shaped shank, and a number of detachable brushes and a cleaning element holding shaft.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: February 22, 2005
    Inventor: Fred C. Hoyle