Patents by Inventor Theodor Fessel

Theodor Fessel 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).

  • Liquid dispenser, hollow dispensing needle kit system for said liquid dispenser, and hollow dispensing needle
    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
  • Liguid dispenser, hollow dispensing needle kit system for said liquid dispenser, and hollow dispensing needle
    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
  • Liquid dispenser, supplying and dosing cylinder device, in particular for liquid dispenser and method for manufacturing a liquid dispenser
    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
  • Object coated with plastic and process for producing it
    Patent number: 4758450
    Abstract: An object coated with plastic described, whereby the object consists of high-melting plastic onto which a coating is melted of plastic powder. The method is specifically concerned with coating spectacle frames with resin powder in a vortical sintering bath.
    Type: Grant
    Filed: May 9, 1986
    Date of Patent: July 19, 1988
    Assignee: Simro AG
    Inventors: Gunther Czech, Theodor Fessel