Patents by Inventor Stephen R. Grossman

Stephen R. Grossman 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).

  • Air decompaction of paper webs
    Patent number: 4125430
    Abstract: A method of and apparatus for reducing the density and increasing the bulk of a fibrous web having an initial basis weight between 20 and 60 pounds per ream and an initial nondirectional breaking length between 50 and 500 meters.The web is loosely placed between a pair of wire screens. The screens and the web are then transported past a nozzle assembly that impinges a gaseous medium onto the surface of the web with sufficient velocity so that the fibrous web is decompacted throughout the entire thickness of the web.
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: November 14, 1978
    Assignee: Scott Paper Company
    Inventor: Stephen R. Grossman