Patents by Inventor Stephan Mengele

Stephan Mengele 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).

  • Plastic hollow structure
    Patent number: 6517614
    Abstract: A multi-component hollow structure including at least two synthetic resin housing parts (1, 3) with corresponding sealing surfaces (2, 4), and at least one half wall per housing part, in which the half walls of one housing part meet corresponding half walls of the other housing part in order to reinforce the hollow structure, and in which the corresponding sealing surfaces (2, 4) and the half walls (6, 7) are joined using a friction force, such as vibration welding or ultrasonic welding. A method for producing such multi-component hollow structures is also disclosed.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: February 11, 2003
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Arthur Klotz, Stephan Mengele