The company HEIN, LEHMANN: a family history


LIWELL® S launched

The NEW BASIC line for all applications with moderate mesh ratios.


Expansion of South Eastern Europe activities by founding a sales company in Croatia through a subsidiary.


Establishment of a production company in India to expand Asia activities.


Entry into the Russian market by founding a sales company.


01. August 2012

Change from HEIN, LEHMANN Trenn- und Fördertechnik GmbH in HEIN, LEHMANN GmbH

Further expansion of a subsidiary in Eastern Europe by founding a new company in the Czech Republic for the distribution of sieve trays.


DELTA II screening machine, 2. generation control established

Expansion of Eastern Europe activities by founding a sales company in Slovakia.

Mobile screening unit LIWELL® motion 751



Foundation of a sales company in Turkey.


Strengthening of the screening machine sales on the North American market by founding a company in Canada and participation in a trading company in Romania through a subsidiary.


Entry into the Chinese market through participation in a local producer.


Entry into the Czech market through participation in a manufacturer of metal screens and a trading group with several locations in Eastern Europe to expand the activities in Eastern Europe.


Acquisition of a producer of wire and plastic products in southern Germany and expansion of activities in North America by founding another company for the sale of screening machines.

DELTA II screening machine for high capacities with difficult to screen material


Participation in a screen tray producer in South Korea through a subsidiary.


Acquisition of a manufacturer for conveyor belts in Bavaria.


LIWELL® Flip-Flow screening machine Type KT with an overlaid circular vibration


Start of a production company for filter tubes in Belgium to strengthen the product segment and foundation of a sales company in the Netherlands.


Move of production facilities and administration premises to Krefeld

Participation in a Dutch company for the production of conveyor belts.


Participation of a second French sales company with a focus on screening machines to strengthen sales in the French-speaking economic area. Also started an engagement in a machine manufacturing company in the UK.

Start of production for sieve trays on the US market by founding a German subsidiary.


Establishment of a production for metal screens in Saxony by a subsidiary.


Foundation of a sales company in Austria to strengthen its presence in the Southeast European area.

Acquisition of a major manufacturing market player in the southern Germany area in the screen tray product field. In the course of the acquisition, the market presence was also strengthened by taking over the associated sales company in France.


19. December 1988

Foundation of HEIN, LEHMANN Trenn- und Fördertechnik GmbHincluding the departments of Herrmann-Screens® and mass separation


WS 85®, screen exchange system for PUR-screen mats

Manufacturing of welded wedge wire screen baskets for paper sorting industry


WS 83, screen exchange system for steel screens made of PUR-adapter ledges


VENO-Flex®, SERPA-Flex®, HARPA-Flex®-Harps


LEMANIT® tensioning screens made of polyurethane

Start with production of CORIMA wedge wire screens


LIWELL® Flip-Flow screening machine Type LF


Structure of the manufacturing plant in Zingsheim


LIWELL® Flip-Flow screening machine Type LS


TORWELL Flip-Flow screening machine


UMBREX screening machine with flexible screen panels made of rubber


UMBRA-Stoßmaschine-Siebboden, dessen typische Kennzeichen die auf ihm befindlichen Antriebsköpfe bzw. Umlenkköpfe sind.

UMBRA screening machine with screen panels with jerked meshes


Aus Leitschienen gebildeter Klassierbelag des UMBRA-Siebbodens.

Umbra screens with the screen panels made of guide bars, for the extensive bulking of sticky and moist broken material with maximum performance.


Installation von sechs HEIN, LEHMANN-Strömungszentrifugen in der Zuckerfabrik USINA DA BARRA S.A. in Brasilien.

KONTI, the fully-continuous stream centrifugal for the sugar industry


Self-cleaning condenser system for power stations

Die ATOSKOP-Siebmaschine zur Absiebung von Schütgut aller Art, Ausführung als Ein- oder Zweidecker in zwei verschiedenen Größen.

ATOSKOP screening machine


Pulsator-Sichteranlage in einer Kohlenwäsche zum Entstauben von Rohfeinkohle.


Pulsating deduster


Blick von der 22 Meter-Bühne durch den Füllschacht eines Zonen-Schrägbunkers auf die schräge Boden- und Deckenfläche.

Zone inclined bunker for post-dewatering


Zentrale Radial-Siebanlage mit Drehkreuz, Wasservorabzug und Kammersieb, zur Entwässerung von gewaschener Feinkohle.

The mass separation department is established. In the beginning it developed and built radial screening systems, preliminary, post and ground dewatering systems for the mining industry, chamber sluices and chamber buckets for dewatering works, sifter systems, twin-pipe showers, material collectors for the paper industry and high-capacity pulp collectors.


Beispielhafte Darstellung der Zusammensetzung eines Weitspiral-Förderbands.

The department Herrmann-screens® moves its premises to halls located in Fichtenstrasse in Duesseldorf. Here begins the production of VIBRO® spring steel wire cloths, DS, SERPA®, VENO®-Harp Screens, Rima®, Rimetta®, Ultra Rimetta and DD wedge wire screens, DOVEX®, DOPRA and RASTEX® screen panels, screen panels and fluidized beds, UMBRA screen panels, rubber wedge wire screens, rubber hole screens, DUO screen panels with flexible screen openings, pressure jet screen panels, CONIDUR® fine hole and slotted hole sheets, metal wire belts.


Beispielhafte Siebgewebe und Siebgeflechte verschiedener Art.

Acquisition of all patents and licenses of the company Louis Herrmann, founded in 1846, dismounted in Dresden and specialized in manufacturing of industrial screens and wire belts. They were traded under the world-famous brand designation Herrmann-screens®.


Frei schwebend wächst die Rheinbrücke Düsseldorf-Neuß über den Rhein.


All Rhine bridges in Duesseldorf are built. The delivery program of HL AG includes further fixed and movable bridges, building construction for mining and industry, frame constructions for multi-story buildings, scaffolds for cranes and crane tracks, pithead gears, bunkers, steel water structures, radio and television masts with heights up to 322 m and pot-galvanizing. Deliveries were made to Germany, Europe, South America and Asia. Foundation of subsidiary companies and partnerships abroad.



Radio tower in Berlin


Die Luftschiffhalle in Lohausen bei Düsseldorf, erbaut 1912.

Completion of the Airship hall in Duesseldorf-Lohhausen


Beispielhafte Zeichnung der Hohenzollernbrücke in Köln.

Inauguration of the bridge “Hohenzollernbrücke” in Cologne, with a span of 119 m


1902 and 1910

Gold medal for special technical achievements in Duesseldorf and Brussels


Beispielhafte Zeichnung einer Stahlkonstruktion.

Beginning of steel and bridge constructions in Duesseldorf


Das Werk von HEIN, LEHMANN um 1913 in Düsseldorf.

Premises transfer to Duesseldorf-Oberbilk


12. November 1888

Foundation of Hein, Lehmann & Co. Aktiengesellschaft


Manufacturing of signal systems for the railroad authority on the basis of their own patents.


Der HEIN, LEHMANN Fabrikhof in Berlin-Reinickendorf um 1878.

The tradesman Max Hein and the engineer Anton Lehmann run together a factory for corrugated iron sheets in Berlin-Reinikendorf.

HEIN, LEHMANN & the company, history and short stories