Patents by Inventor Jurgen Nageler

Jurgen Nageler 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).

  • Process and device for producing press fittings from steel, in particular special steel
    Patent number: 6843096
    Abstract: Special steel press fittings are produced in two process steps, which can be performed simultaneously, or also one after the other. The cut to size blank is widened in a die is upset in order to form the desired pipe connection areas.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: January 18, 2005
    Assignee: Witzig & Frank GmbH
    Inventors: Walter Viegener, Jürgen Nägeler, Walter Bauer
  • Method and device for producing steel, especially stainless steel press fittings
    Publication number: 20040003645
    Abstract: The disclosed process permits the production of special steel press fittings practically in a single work step, which comprises two process steps, which can be performed simultaneously, or also one after the other. The cut to size blank is widened in a die and is upset in order to form the desired pipe connection areas. The process has been shown to be dependable for special steel press fittings. Other pressure-resistant and tough metals can also be employed. The process is particularly suitable in connection with a following roller-burnishing step or grinding step for producing press fittings from welded special steel pipes.
    Type: Application
    Filed: December 20, 2002
    Publication date: January 8, 2004
    Applicant: WITZIG & FRANK GMBH
    Inventors: Walter Viegener, Jurgen Nageler, Walter Bauer