Patents by Inventor Roger V. Russell

Roger V. Russell 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).

  • Process and apparatus for contacting a powder with a fibrous web
    Patent number: 4473428
    Abstract: A process for contacting a moving fibrous web with a powder. The process comprises the steps of:I. passing a mixture of powder and air through the moving fibrous web;II. reversing the direction of movement of the fibrous web; and thenIII. passing a mixture of powder and air through the moving fibrous web in a direction opposite to that of Step I.An apparatus comprising an air-tight enclosure; means for maintaining subatmospheric pressure within the enclosure; means for passing a fibrous web through the enclosure; and means within the enclosure for passing a mixture of powder and air through the moving fibrous web.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: September 25, 1984
    Assignee: Fiberlok, Inc.
    Inventors: George S. Buck, Jr., Roger V. Russell
  • Process for contacting a powder with a fibrous web
    Patent number: 4363680
    Abstract: A process for contacting a moving fibrous web with a powder. The process comprises the steps of:I. passing a mixture of powder and air through the moving fibrous web;II. reversing the direction of movement of the fibrous web; and thenIII. passing a mixture of powder and air through the moving fibrous web in a direction opposite to that of Step I.An apparatus comprising an air-tight enclosure; means for maintaining subatmospheric pressure within the enclosure; means for passing a fibrous web through the enclosure; and means within the enclosure for passing a mixture of powder and air through the moving fibrous web.
    Type: Grant
    Filed: September 30, 1980
    Date of Patent: December 14, 1982
    Assignee: Fiberlok Inc.
    Inventors: George S. Buck, Jr., Roger V. Russell