Patents by Inventor Frederick G. Barrett

Frederick G. Barrett 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: 4625358
    Abstract: A chimney tool for cleaning the soot and creosote out of chimneys and stovepipes, including a pole, and on the end of the pole a bent-rod tool made of resilient material and having a lower shank attached to the end of the pole and mounting a scraper blade, an upper shank extending along the pole from the lower shank and also being attached to the pole at a distance from the end thereof, and a spring arm extending from the upper shank and mounting a roller wheel which engages the side of the chimney opposite from the scraper blade and biases the scraper blade against the inner wall of the chimney to scrape the soot and creosote therefrom, but having sufficient resilience to pass by obstructions in the chimney. The tool is moved up and down and simultaneously rotated to position the scraper blade successively around the circumference of the chimney.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: December 2, 1986
    Inventor: Frederick G. Barrett