Patents by Inventor Brian M. Self

Brian M. Self 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).

  • Muffler for air operated hand tools and other pneumatic devices
    Patent number: 5581055
    Abstract: A retrofittable muffler to reduce noise associated with air-operated hand tools and other working devices provides a housing with an inner expansion chamber and an outer expansion chamber so that at least a portion of spent pneumatic fluid passes from the pneumatic device, through the internal expansion chamber, and through the outer expansion chamber prior to discharge to atmosphere through exhaust ports in the housing.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: December 3, 1996
    Assignee: Kevin G. Self
    Inventors: Kevin G. Self, Brian M. Self