Patents by Inventor Engelbert Braadt

Engelbert Braadt 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 for producing a glass body
    Patent number: 7377131
    Abstract: The present invention relates to a method for producing a glass body with at least one inner tube which is closed off on one side and one outer tube which is closed off at least on one side, with the inner tube being connected not coaxially with the floor of the outer tube and the inner tube comprising an opening, with the inner tube being fixed in the outer tube in such a way that the outer tube comprises a projecting portion, a floor is formed by the projecting portion on the outer tube, an opening is formed by the removal of the glass on the inner tube, and the outer tube is evacuated at the end and molten off.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: May 27, 2008
    Assignee: Schott Glas
    Inventors: Gottfried Haas, Martin Werner, Michael Siller, Engelbert Braadt
  • Method for producing a glass body
    Publication number: 20030094014
    Abstract: The present invention relates to a method for producing a glass body with at least one inner tube which is closed off on one side and one outer tube which is closed off at least on one side, with the inner tube being connected not coaxially with the floor of the outer tube and the inner tube comprising an opening, with the inner tube being fixed in the outer tube in such a way that the outer tube comprises a projecting portion, a floor is formed by the projecting portion on the outer tube, an opening is formed by the removal of the glass on the inner tube, and the outer tube is evacuated at the end and molten off.
    Type: Application
    Filed: October 15, 2002
    Publication date: May 22, 2003
    Applicant: Schott Glas
    Inventors: Gottfried Haas, Martin Werner, Michael Siller, Engelbert Braadt