Patents Assigned to Poulten & Graf GmbH
  • Patent number: 7198176
    Abstract: The invention relates to a liquid dispenser, in particular to a dosing dispenser with a discharge tubule with an integral outlet duct for delivering a liquid via an outlet port and an integrated return duct which extends along the outlet duct, a discharge tubule kit system and a discharge tubule. The liquid dispenser contains a supplying device with a supplying or dosing cylinder, a supplying or dosing plunger which can be moved back and forth therein for supplying the liquid from a container to an outlet duct in order to dispense the liquid via an outlet port of the outlet duct, the said outlet duct being formed in an integral manner by a discharge tubule. According to the invention, the outlet port is formed for connection to the return duct by means of a connecting device, which extends integrally in the discharge tubule along the outlet duct.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: April 3, 2007
    Assignee: Poulten & Graf GmbH
    Inventor: Theodor Fessel
  • Publication number: 20050127110
    Abstract: The invention relates to a liquid dispenser, in particular to a dosing dispenser with a discharge tubule with an integral outlet duct for delivering a liquid via an outlet port and an integrated return duct which extends along the outlet duct, a discharge tubule kit system and a discharge tubule. The liquid dispenser contains a supplying device with a supplying or dosing cylinder, a supplying or dosing plunger which can be moved back and forth therein for supplying the liquid from a container to an outlet duct in order to dispense the liquid via an outlet port of the outlet duct, the said outlet duct being formed in an integral manner by a discharge tubule. According to the invention, the outlet port is formed for connection to the return duct by means of a connecting device, which extends integrally in the discharge tubule along the outlet duct.
    Type: Application
    Filed: January 31, 2005
    Publication date: June 16, 2005
    Applicant: Poulten & Graf GmbH
    Inventor: Theodor Fessel
  • Patent number: 6135325
    Abstract: A liquid dispenser includes a valve block that can be attached onto a vessel or can be connected to a reservoir. The valve block is characterized by an intake valve, a supply and dosing cylinder in which a supply and dosing plunger is slidably accommodated, and an outlet device for the liquid. The valve block and the supply and dosing cylinder preferably form an integral unit.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: October 24, 2000
    Assignee: Poulten & Graf GmbH
    Inventors: Theodor Fessel, Siegfried Graf, Hans Graf