Patents by Inventor Barry A. Brandley

Barry A. Brandley 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).

  • Nonwoven cleaning brush
    Patent number: 5765256
    Abstract: A brush made from a nonwoven, thermally bonded bicomponent fiber web is described. The nonwoven brush of the invention includes a plurality of compressed annular sections assembled about a central carrier with each section made of a mat of bicomponent fibers which have been crimped and melt bonded. In a preferred embodiment, the brush will have a compacted density of between about 50 and about 250 kilograms per cubic meter. The fibers making up the compressed annular sections are preferably a combination of polyolefins (e.g. polypropylene and polyethylene) but may also include polyesters and other materials.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: June 16, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James M. Allan, Barry A. Brandley