Patents by Inventor Steven G. Pfleiderer

Steven G. Pfleiderer 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).

  • Emergency lighting device for firefighters
    Patent number: 6864799
    Abstract: A safety device for firefighters to mark a viable exit for a building includes an audible sounder and a number of laser diodes in a housing with lenses that create panes or sheets of light. The housing of the device can have prongs that allow the device to pierce drywall to mount it near a door or window, as well as an adhesive or cement for mounting on other vertical surfaces. The housing is also has a tapered wedge shape and can wedge a door in an open position. There can be e.g. four laser diodes oriented at various angles.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: March 8, 2005
    Inventors: Gregory S. Popps, Steven G. Pfleiderer
  • Emergency lighting device for firefighters
    Publication number: 20040212514
    Abstract: A safety device for firefighters to mark a viable exit for a building includes an audible sounder and a number of laser diodes in a housing with lenses that create panes or sheets of light. The housing of the device can have prongs that allow the device to pierce drywall to mount it near a door or window, as well as an adhesive or cement for mounting on other vertical surfaces. The housing is also has a tapered wedge shape and can wedge a door in an open position. There can be e.g. four laser diodes oriented at various angles.
    Type: Application
    Filed: April 23, 2003
    Publication date: October 28, 2004
    Inventors: Gregory S. Popps, Steven G. Pfleiderer