About us  
  ISENMANN Siebe GmbH  
About us

History of ISENMANN Siebe GmbH

The oldest known screen cloths consisted of wooden rods or, for finer screens, of horse hair. The exact proof for the use of wire as mesh can be traced to the year 1556. It was used in ore preparation. The first patents for this purpose are from the year 1821 coming from France.

ISENMANN was founded in 1949 by Heinrich Isenmann in Karlsruhe. Until 1965, the main production included manufacturing fences and grids from steel wire. The economic boom in Germany required building new roadwork. Especially through the construction of the highway from Karlsruhe to Freiburg an increasing number of gravel plants and quarries surfaced along the Rhine.

ISENMANN expanded their production to industrial screen bottoms and soon delivered to all major manufacturers of preparation plants, screening machines as well as gravel, sand and grit plants.

The plastic material, polyurethane, was developed by Bayer Co. and was used since the 60's in screening technology. In 1973, Isenmann began with polyurethane screen manufacturing.

ISENMANN stands for quality and know-how to this day and acts worldwide through its foreign agencies .

1949                     Foundation through Heinrich Isenmann
1965                     Expansion of production to industrial screen bottoms
1973                     Beginning of polyurethane screen manufacturing
1976                     Establishment of the France sales office
1977                     Establishment of the England sales office
1978                     Development of "WS 43"
1980                     Development of "WS 80"
1983                     Development of "WS 83"
1984                     Development of "WS 85"
1988                     PUR screen manufacturing in the U.S.
1990                     Relocation of the wire screen production to Panschwitz
2004                     Development of the spray bar pipe protection, international patent protection
2005                     Development of the finger screen
2010                     Development of the mounting system WS 2.10, international patent protection
2011                     Development of the spray bar gaiter, "bellows without folds”, international patent protection



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