Patents by Inventor John Affrunti

John Affrunti 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).

  • Roof guard device for lifting objects on to a roof
    Patent number: 6241205
    Abstract: A Roof Guard device (10) when an individual lifts an object (96) on to a roof structure (14) from a lower level that includes a stepplate (12) removably received upon a horizontal perimeter portion of the roof structure (14); a guardplate (16) pivotally joined to the stepplate (12); the guardplate (16) being positioned adjacent to a selected portion of the roof structure (14) to prevent the object (96), being raised from the ground, from contacting the selected portion of the roof structure (14). An alternative embodiment of the device (300) includes two methods of operation that allow the device (300) to be manually adjusted into a maintained position or “automatically” adjusted by a tensile rope engaging a guardplate (306).
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: June 5, 2001
    Inventor: John Affrunti
  • Roof guard device for lifting objects on to a roof
    Patent number: 6019330
    Abstract: A Roof Guard device 10 utilized when an individual lifts an object 96 on to a roof structure 14 from a lower level that includes a stepplate 12 removably received upon a horizontal perimeter portion of the roof structure 14; a guardplate 16 pivotally joined to the stepplate 12; the guardplate 16 being positioned adjacent to a selected portion of the roof structure 14 to prevent the object 96, being raised from the ground, from contacting the selected portion of the roof structure 14.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: February 1, 2000
    Inventor: John Affrunti