Patents by Inventor Rudolf Petri Dreyer

Rudolf Petri Dreyer 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).

  • Methods, systems, and articles for controlling a fluid blending system
    Patent number: 7188637
    Abstract: Described herein are methods, systems, and articles that are useful for controlling a fluid blending system, such as a fluid utility system. The methods, systems, and articles of this invention allow for the control of both a quantity metric (e.g., pressure) of the blended fluid the fluid blending system as well as at least one quality metric of a blended fluid in a fluid blending system. For example, the methods, systems, and articles of this invention provide for the simultaneous control of both the pressure and quality of fuel gas within a fuel gas header system.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: March 13, 2007
    Assignee: Aspen Technology, Inc.
    Inventors: Rudolf Petri Dreyer, Gerhardus Dirk Kotze
  • Methods, systems, and articles for controlling a fluid blending system
    Publication number: 20040221889
    Abstract: Described herein are methods, systems, and articles that are useful for controlling a fluid blending system, such as a fluid utility system. The methods, systems, and articles of this invention allow for the control of both a quantity metric (e.g., pressure) of the blended fluid the fluid blending system as well as at least one quality metric of a blended fluid in a fluid blending system. For example, the methods, systems, and articles of this invention provide for the simultaneous control of both the pressure and quality of fuel gas within a fuel gas header system.
    Type: Application
    Filed: April 30, 2004
    Publication date: November 11, 2004
    Inventors: Rudolf Petri Dreyer, Gerhardus Dirk Kotze