Patents by Inventor Albert S. Janni

Albert S. Janni 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).

  • Corner pieces for single-ply polymer-coated fabric core roof membranes and the product thereby formed
    Patent number: 4872296
    Abstract: A method of fabricating polymer-coated, fabric corner members for the integrated enclosures provided for projecting products such as air conditioners on unitary roof membranes. The corners have vertical walls forming a corner, comprising forming a first generally rectangular membrane segment with a side split part way, forming a second segment with a triangular-shaped corner portion, spreading the split edges of the first segment with an elongate male die part, placing the second segment over the male die part, and utilizing an elongate female die part having flat welding edges to retain the marginal edges of the second segment in engagement with the edges of the first segment contiguous to the split, and applying energy to heat-weld the lapped edges of the first and second segments.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: October 10, 1989
    Assignee: Duro-Last Roofing, Inc.
    Inventor: Albert S. Janni
  • Method of fabricating polymer-coated fabric outside corner pieces for single-ply polymer-coated fabric core roof membranes
    Patent number: 4799986
    Abstract: A method of fabricating polymer-coated, fabric corner members for the integrated enclosures provided for projecting products such as air conditioners on unitary roof membranes. The corners have vertical walls forming a corner, comprising forming a first generally rectangular membrane segment with a side split part way, forming a second segment with a triangular-shaped corner portion, spreading the split edges of the first segment with an elongate male die part, placing the second segment over the male die part, and utilizing an elongate female die part having flat welding edges to retain the marginal edges of the second segment in engagement with the edges of the first segment contiguous to the split, and applying energy to heat-weld the lapped edges of the first and second segments.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: January 24, 1989
    Assignee: Duro-Last Roofing, Inc.
    Inventor: Albert S. Janni