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Patents and Licensees
Patents and Licensees


The BFI at present holds around 50 national and international patents. The following list shows some of the topics and current licensees:

Shapemeter for cold rolling mills

  • Achenbach Buschhütten GmbH, Kreuztal, Germany
  • Kobe Steel, Ltd., Rolling Mill & System Dept., Takasago-Shi, Hyogo-Ken, Japan
  • Siemens AG, I&S MP 7 CM, Erlangen, Germany
  • SMS Demag AG, Düsseldorf and Hilchenbach, Germany
  • Sundwig GmbH, Hemer, Germany
  • Friedrich Vollmer Feinmessgerätebau GmbH, Hagen, Germany

Flatness control system

  • BEA Elektronik und Automation GmbH, Düsseldorf, Germany
  • Siemens AG, I&S MP 7 CM, Erlangen, Germany
  • Sundwig GmbH, Hemer, Germany

Process optimisation system for cold rolling reversing mills

  • Sundwig GmbH, Hemer, Germany

Flatness optimisation system for slit strip rolling

  • Sundwig GmbH, Hemer, Germany
  • Friedrich Vollmer Feinmessgerätebau GmbH, Hagen, Germany

System for eliminating longbow, crossbow and strip sabre through pure bending energy (SBC)

  • Sundwig GmbH, Hemer, Germany

TopPlan® optical flatness measurement system for hot strip and plate

  • IMS Messsysteme GmbH, Heiligenhaus, Germany

Degassing model for the ladle tank degassing process

  • SMS Mevac GmbH, Essen, Germany

On-line roughness measurement system

  • MESACON Messelektronik GmbH, Dresden, Germany

Contactless internal and external inspection system for detecting bar and rod defects

  • Agfa NDT GmbH, Hürth, Germany

Contactless internal and external inspection system for detecting steel and NF metal strip de-fects

  • IMS Messsysteme GmbH, Heiligenhaus, Germany
  • NDT Systems and Services, Stutensee, Germany

Technique for heating a fuel-fired industrial furnace and, for this, a modular regenerator-burner system

  • Maerz-Gautschi Industrieofenanagen GmbH, Düsseldorf, Germany and Tägerwilen, Switzerland

Heat recovery device

  • G. Kromschröder AG, Osnabrück, Germany