Your Partner for Performance for Over 100 Years

  • Acquisition of M.A.T. MALMEDIE ANTRIEBSTECHNIK GMBH by RINGFEDER POWER TRANSMISSION | RINGFEDER®

    2025

    RINGFEDER POWER TRANSMISSION acquires the long-established company M.A.T. MALMEDIE ANTRIEBSTECHNIK GMBH, based in Solingen, North Rhine-Westphalia, Germany. The renowned drive technology specialist develops, manufactures and markets a comprehensive portfolio of innovative coupling solutions, particularly for advanced applications in heavy machinery, the mining and steel industries, as well as crane and lifting equipment used in port and container handling operations.

     

  • Acquisition of RATHI TRANSPOWER PVT. LTD. by RINGFEDER POWER TRANSMISSION | RINGFEDER®

    2023

    RATHI TRANSPOWER PVT. LTD., headquartered in Pune, India, becomes part of RINGFEDER POWER TRANSMISSION. In addition to the precision and industrial couplings of our former brands TSCHAN®, GERWAH® and ECOLOC®, customers now benefit from an even broader product range tailored to diverse application requirements, including Pin & Bush Couplings, Tyre Couplings, as well as additional Jaw, Steel Disc and Gear Couplings – available as proven standard solutions or individually engineered custom designs.

     

  • Acquisition of TÜSCHEN & ZIMMERMANN GMBH & CO. KG by RINGFEDER POWER TRANSMISSION | RINGFEDER®

    2022

    Through the acquisition of the industrial brake business of TÜSCHEN & ZIMMERMANN GMBH & CO. KG, RINGFEDER POWER TRANSMISSION expands its portfolio with innovative industrial braking solutions. These products ideally complement the existing product range and further strengthen the company's position as one of the leading partners for systems and components in the field of drive and damping technology.
  • Acquisition of CARLYLE JOHNSON MACHINE COMPANY, LLC. by RINGFEDER POWER TRANSMISSION | RINGFEDER®

    2021

    RINGFEDER POWER TRANSMISSION acquires CARLYLE JOHNSON MACHINE COMPANY, LLC., headquartered in Bolton, Connecticut, USA, strategically expanding its activities and presence across the North American market. The company’s portfolio broadens the existing product offering to include mechanical, electrical, pneumatic and hydraulic clutches and brakes, as well as non-contact, centrifugal seals.

  • 2015

    RINGFEDER POWER TRANSMISSION acquires HENFEL INDÚSTRIA METALÚRGICA LTDA., headquartered in Jaboticabal, Brazil. Through this acquisition, the company strengthens its international market position and gains direct access to the South American market. At the same time, the product portfolio is expanded to include high-quality elastic and hydrodynamic couplings, industrial brakes and bearing housings, while significantly enhancing local manufacturing and service capabilities throughout South America.
  • TSCHAN

    2014

    Through the integration of the renowned coupling specialist TSCHAN GMBH, headquartered in Neunkirchen, Germany, RINGFEDER POWER TRANSMISSION strategically expands its product portfolio, particularly with high-quality elastic couplings for demanding industrial applications. The complementary technologies and sales channels of both companies create additional synergies and strengthen competitiveness in international industrial markets.

     

  • 2012

    Merger of the operations in Großwallstadt and Krefeld in Groß-Umstadt.

  • 2011

    Establishment of KUNSHAN RINGFEDER POWER TRANSMISSION COMPANY LIMITED, Kunshan, China.

  • 2008

    Establishment of RINGFEDER POWER TRANSMISSION INDIA PVT. LTD., Chennai, India.

  • 2001

    Patent application for the impact absorbing component ‘Deform plus® R’.

  • 1996

    Change of location from Krefeld Uerdingen to Krefeld Stahldorf.

  • 1963

    RINGFEDER clamping sets have become standard components in sophisticated industrial applications around the world over the last 9 years.

  • 1948

    Oskar-Erich Peter, an engineer at RINGFEDER, invents the clamping element.

  • 1922

    The German Patent Office grants the patent for a spring consisting of rings,  spring, invented by Ernst Kreissig, engineer at the Waggonfabrik A.G., Uerdingen. In the same year, RINGFEDER GMBH is founded to acquire and exploit the inventor's rights of Waggonfabrik A.G., since the German State Railroad at that time only awards contracts on a quota basis and no turnover should be lost on the wagons.

     

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