Donald N. Ruehrwein

Person

  • Batavia, IL, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID STORAGE TANK WITH DRAFT TUBE MIXING SYSTEM

    • Publication number 20100232254
    • Publication date Sep 16, 2010
    • CHICAGO BRIDGE & IRON COMPANY
    • James B. Tysse
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Reservoir mixing system

    • Publication number 20080203098
    • Publication date Aug 28, 2008
    • CHICAGO BRIDGE & IRON COMPANY
    • James B. Tysse
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Claricone sludge level control system

    • Publication number 20040026333
    • Publication date Feb 12, 2004
    • Donald Neil Ruehrwein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Feed control system for liquid clarification tanks

    • Publication number 20020130068
    • Publication date Sep 19, 2002
    • John J. Fassbender
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL