Patents by Inventor Angela D. Shelton

Angela D. Shelton 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: 7387655
    Abstract: An air filtration unit for use in a work environment includes a housing disposed with an air filtration system and light source. The housing includes a handle and corner caps to prevent damage and provide stability. The air filtration system draws air into the housing, via a blower, through a first and second inlet gate, the air is at least partially filtered by a first and second filter assembly, which provide a two stage filtering, and then the at least partially filtered air is blown through an exhaust conduit back out into the work environment.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: June 17, 2008
    Assignee: Black & Decker Inc.
    Inventors: Todd Chipner, Mark A. Etter, Angela D. Shelton, Leslie D. Gist, John C. Smith, Charles Chen
  • Patent number: 7074250
    Abstract: An air filtration unit for use in a work environment includes a housing disposed with an air filtration system and light source. The housing includes a handle and corner caps to prevent damage and provide stability. The air filtration system draws air into the housing, via a blower, through a first and second inlet gate, the air is at least partially filtered by a first and second filter assembly, which provide a two stage filtering, and then the at least partially filtered air is blown through an exhaust conduit back out into the work environment.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: July 11, 2006
    Assignee: Black & Decker Inc.
    Inventors: Todd Chipner, Mark A. Etter, Angela D. Shelton, Leslie D. Gist, John C. Smith, Charles Chen