Patents by Inventor Karl-Eugen Metzger

Karl-Eugen Metzger 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).

  • Floodwashing process and floodwasher
    Patent number: 5000206
    Abstract: In a floodwater and a process for floodwashing workpieces wherein the workpiece is immersed in a bath of washing liquid and a workpiece surface is acted upon by at least one jet of washing liquid issuing from a nozzle, in order to achieve optimum cleaning efficiency of the jets with as low pumping capacity as possible, it is proposed that a free jet be used as jet and that the nozzle be guided at a distance from the workpiece surface which at most is approximately twice the length of the jet core of the free jet.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: March 19, 1991
    Assignee: Duerr GmbH
    Inventors: Carl Kramer, Karl-Eugen Metzger, Dieter Ahrens