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Foundation of the hemp-ropery Kocks, manual production of natural fibre ropes for the Ruhr-shipping (the greatest coalfleet of Prussia can be found in Muelheim during that time in which the Ruhr is the river with the densest traffic all over Europe).




Inventation of the steel wire rope by Oberbergrat Albert at Clausthal in Germany 1834 Kocks now also produces steel wire ropes besides and the hemp ropes, especially for coal mining in the later Ruhr area (at appr. 1840 the first deep mining shaft was sunk at Essen).


1860 - 1888


Introduction of ropes with Seale, Warington and Filler strand constructions


1860 - 1914


Steady enlargement of the Kocks factory and development to an efficient mechanical ropery. 

Production of shaft mining hoist ropes for the coal mines and of the steel wire ropes for the industry, fishing and shipping.


since 1928


Production of traction elevator ropes; today worldwide application in highrise buildings as well as in fun- and television towers - a. o. in Dortmund, Hamburg, Frankfurt; Rotterdam, Seattle, Vancouver, Montreal, Monaco, Johannesburg, Beirut, Hongkong, Buenos Aires




The API-licence for the use of the API brand was given to Kocks by the American Petroleum Institute as the first German ropery.


1976 - 1980


Foundation of independent rope service- and trading centres in the Saarland, in Luxemburg, in England and in the Netherlands




The Pfeifer group with its headquarters in Memmingen/Germany takes over Kocks.


2002 – 2007


Continuing expansion of the international sales organization, e.g. in Spain, Poland, Russia, Dubai and China




Strategic reorientation with establishment of the both business units of “elevator products” and “mining and industry”

Relocation of the administration and the business unit of elevator products from Mühlenberg to Rheinstraße. The business unit of mining and industry is concentrated in Tunnelstraße.




Change of the company name into PFEIFER DRAKO Drahtseilwerk GmbH & Co. KG