Patents by Inventor Sujanto Ferdi

Sujanto Ferdi 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).

  • Fire door installation auditing/verification system
    Patent number: 8752315
    Abstract: A fire door installation auditing/verification system includes a label that is adhered to a fire door in use. The label has a first portion adhered to the fire door, and a second, removable, portion, said second, removable, portion carrying detailed installation instructions for the fire door. The second, removable, portion is attached to the first portion such that, when the second portion is removed during installation, the first portion of the label is retained adhered to the fire door and provides a visual indication, post installation, that the installer has removed the second portion carrying the detailed installation instructions.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: June 17, 2014
    Inventors: David Karzimierz Papierowski, Sujanto Ferdi
  • FIRE DOOR INSTALLATION AUDITING/VERIFICATION SYSTEM
    Publication number: 20120272587
    Abstract: A fire door installation auditing/verification system includes a label that is adhered to a fire door in use. The label has a first portion adhered to the fire door, and a second, removable, portion, said second, removable, portion carrying detailed installation instructions for the fire door. The second, removable, portion is attached to the first portion such that, when the second portion is removed during installation, the first portion of the label is retained adhered to the fire door and provides a visual indication, post installation, that the installer has removed the second portion carrying the detailed installation instructions.
    Type: Application
    Filed: December 21, 2010
    Publication date: November 1, 2012
    Inventors: David Karzimierz Papierowski, Sujanto Ferdi