Patents by Inventor Helmuth Stahl

Helmuth Stahl 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).

  • Technique for an integrated and automated model generation and controller tuning process
    Patent number: 7346402
    Abstract: A method, apparatus and computer program product for performing integrated model generation and controller tuning is presented. The method, apparatus, and computer program product acquires data regarding the system. The data is then analyzed and preprocessed to provide modified data, and a model is generating from this modified data. A controller design is determined from the modified data and the model, and controller parameters are calculated from the modified data and the model.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: March 18, 2008
    Assignee: ExpertControl, LLC
    Inventor: Helmuth Stahl
  • Process for making gelatine films
    Patent number: 5316717
    Abstract: A process for making gelatine films, in particular sheet gelatine, from powdered gelatine includes the following steps: The powdered gelatine with the addition of water is plasticized by the application of shearing forces at an elevated pressure and an elevated temperature, the plasticized mass is pressed in the form of a film through a slotted die, the film is drawn off the slotted die under tension and the taut film is dried.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: May 31, 1994
    Assignee: Deutsche Gelatine-Fabriken Stoess AG
    Inventors: Peter Koepff, Klaus Braumer, Helmuth Stahl, Eberhard Dick
  • Gelatine granules as well as methods and apparatus for their manufacture
    Patent number: 4992100
    Abstract: Gelatine granules obtained by plasticizing conventional gelatine consist of solid gelatine particles with a water content of from 1 to 12% by weight, with a particle size of from 0.1 to 10 mm, with an entrapped air content of less than 1% by volume and with a melt flow index greater than 1 g/10 min at 110 degrees C. The granules are thermoplastic and solid or hollow molded articles can be made from them like from conventional plastics by extrusion, injection molding, blow molding and the like.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: February 12, 1991
    Assignee: Deutsche Gelatine-Fabriken Stoess & Co. GmbH
    Inventors: Peter Koepff, Klaus Braumer, Helmuth Stahl