Patents by Inventor Bengt Thell

Bengt Thell 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).

  • Method of applying an electrical charge in ink jet printers, and an arrangement for carrying the method
    Patent number: 4604630
    Abstract: A method for applying an electric charge in ink jet printers of the so-called continuous kind, in which electrically conductive ink or like medium is forced in the form of a jet (3) from a container through a nozzle (1) or the like and is caused to form droplets (4), which are electrically charged and which are caused to pass deflecting electrodes (6) to which a voltage is applied and are caused to travel along a movement path dependent, inter alia, upon the electric charge, thereby to provide a pre-determined transcript or the like on a printing sheet (5) or corresponding material.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: August 5, 1986
    Assignee: Esselte Sanden AB
    Inventor: Bengt Thell