Patents by Inventor John F. Dusenbery

John F. Dusenbery 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).

  • Vacuum roller for transporting a web
    Patent number: 4277010
    Abstract: A drive roller and roller system for positive transport of a web, which system utilizes a vacuum for drawing the web against a selected portion of the roller, thereby to control the linear speed and the tension of the web.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: July 7, 1981
    Assignee: John Dusenbery Company, Inc.
    Inventors: Peter A. Landskroener, John F. Dusenbery, Roger W. Young
  • Turret winder for pressure-sensitive tape
    Patent number: 4208019
    Abstract: Apparatus for continuously winding pressure-sensitive tape into rolls on cores carried on mandrels. The apparatus includes means for automatically inserting new cores on a mandrel positioned in the loading station and for removing the wound rolls from a mandrel positioned in the unloading station.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: June 17, 1980
    Assignee: John Dusenbery Co., Inc.
    Inventor: John F. Dusenbery