Patents by Inventor Susan G. Danisch

Susan G. Danisch 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).

  • Protective system for face and respiratory protection
    Patent number: 6279572
    Abstract: The present invention provides a portable protective system for protecting a wearer, and for protecting the environment about the wearer. The protective system includes a face shield coupled with a head cradle for supporting the face shield on the wearer's head. The face shield and a wearer's face substantially define a breathing zone charged by a battery-powered blower carried on the head cradle. An bag-like inlet filter element encompasses the blower to provided filtered air to the breathing zone, and an outlet filter element is operably associated with the face shield.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: August 28, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Susan G. Danisch, Michael R. Berrigan, Patrick H. Carey, Jr.
  • Protective system for face and respiratory protection
    Patent number: 6250299
    Abstract: The present invention provides a portable protective system for protecting a wearer, and for protecting the environment about the wearer. The protective system includes a face shield coupled with a head cradle for supporting the face shield on the wearer's head. The face shield and a wearer's face substantially define a breathing zone charged by a battery-powered blower carried on the head cradle. An bag-like inlet filter element encompasses the blower to provided filtered air to the breathing zone, and an outlet filter element is operably associated with the face shield.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: June 26, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Susan G. Danisch, Michael R. Berrigan, Patrick H. Carey, Jr.
  • Protective system for face and respiratory protection
    Patent number: 6014971
    Abstract: The present invention provides a portable protective system for protecting a wearer, and for protecting the environment about the wearer. The protective system includes a face shield coupled with a head cradle for supporting the face shield on the wearer's head. The face shield and a wearer's face substantially define a breathing zone charged by a battery-powered blower carried on the head cradle. An bag-like inlet filter element encompasses the blower to provided filtered air to the breathing zone, and an outlet filter element is operably associated with the face shield.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: January 18, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Susan G. Danisch, Michael R. Berrigan, Patrick H. Carey, Jr.
  • Filter cartridge for an escape hood
    Patent number: D480476
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: October 7, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Paul A. Martinson, James R. Betz, Susan G. Danisch