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Gneuss Kunststofftechnik GmbH
Moenichhusen 42, Bad Oeynhausen, Nordrhein-Westfalen, Germany

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Since Aug, 2020
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About Company

With more than 35 years of experience and over 100 international patents, the family-owned and operated company Gneuss has made a name for itself as a supplier of innovative solutions for the plastics processing industry.

In addition to unique technologies, systems and components for plastics processing, Gneuss also offers complete turnkey solutions for the production of high quality sheet, fibres and pellets. Since its foundation in 1983, Gneuss has grown to become a worldwide technology leader for the extrusion of polymers and the reprocessing of all kinds of polymers.

Based in Bad Oeynhausen, Germany, Gneuss is committed to the expectations of products “made in Germany” while serving its customers worldwide. With its daughter company in the USA, offices in Brazil and China, a cooperation partner in Japan and together with representatives worldwide, Gneuss is present throughout the world. The best possible technical support, excellent service and spare parts availability is provided on all five continents. Support is available around the clock via a telephone service hotline. Pilot lines for trials and development work are available at several locations.

Our company philosophy is to work together with you, based on confidence and personal relationships. We are dedicated to providing competent advice and to supporting you with the best know-how and the most modern technology, and to always offer you an optimum filtration solution.

Gneuss History
More than 35 years of Innovation, Passion and Reliability

What started in 1983 with a vision of a new technical concept and with Detlef Gneuss´ entrepreneurial ambition and his wife, Christel Gneuss´ energetic support, the company has grown to an internationally active company, with innovations which have set world standards for the processing of polymer melts.

From the very beginning, the aim was to become the world market leader in the field of polymer melt filtration and to be a leading specialist for high quality, specialized pressue and temperature sensors. The first target markets were the extrusion of profiles, pipes, sheet and the manufacture of compounds.

The Gneuss technical concepts and products started to establish themselves successfully in the market, because they were able to offer previously unobtainable solutions for processing problems thanks to completely new technical approaches. Definitions such as “constant melt filtration” and “pressure and process-constant” became the yardstick which the competition had to measure it’s products by.

In the area of pressure and temperature sensors, Gneuss was the first company in the world to introduce a mercury-free melt pressure transducer and a melt temperature sensor with a ceramically-insulated tip.


Only 5 years after the company was founded, a significant investment program followed the rapid development of this innovative young company. In the Eidinghausen Industrial Park, the foundations for the new company buildings were laid and the sales activities in the USA were expanded, leading to the founding of the daughter company, “Gneuss Inc.” in Philadelphia.

In this spirit, Gneuss’ partner for sales and technical support in Japan, Itochu Plamac founded a separate company specifically for handling the Gneuss Filtration Systems business, their workshop with a pilot line shows how seriously Gneuss sees the target of offering the highest quality technical advice and support near to the customer. To this end, concrete steps were taken in South America to establish a Gneuss sales and service presence there.

Expertise and dialogue with customers

As a result of growing positive feedback from the plastics manufacturing and processing industry to Gneuss’ “Open House” events, the first 2 day Gneuss Plastics Symposium was held in 1993 as an anniversary to celebrate the first 10 years of Gneuss. This symposium was a huge success, with over 300 visitors from all over the world. The Gneuss Symposium became an established event during which experts in the field of plastics processing from throughout the world could exchange ideas, inform themselves on new developments, network and even work out solutions to problems.


Once the range of Rotary Filters had proven their capabilities internationally, they attracted the attention of plastic raw material manufacturers and the demand for a system for manufacturing technical plastics on a large scale became stronger. In order to take account of this, a totally encapsulated, fully automatic Rotary Filter for filtration finenesses down to 6 µm was developed together with Hoechst for PET.

The immediate success of this development for 6.000 kg/h represented the starting point for the development of the RSFgenius product range. With the RSFgenius, a new worldwide standard for Melt Filtration systems was set and its performance is today a still unmatched technical highlight with a unique range of performance features.

Generation change

The generation change, which can often be a make or break point in the development of a family owned company was planned from early 2000 and took place smoothly. The involvement of the two sons, both with appropriate and extensive education and experience, supplemented the previous management and enhanced the management team with further competence and youthful vigour.

While Daniel Gneuss has taken over complete responsibility for North and South America from Matthews NC, Dr. Stephan Gneuss is responsible for operations in Bad Oeynhausen. This increase in capacity and competence through the sons has provided the company founder – relieved from the day to day running of the company with practically unlimited capacity to intensify research and development within the company.

In this way, the involvement of the next Gneuss generation has made a difference not only in terms of personnel but also in the expansion of the company’s technological competence into new markets. The course is set for continued growth in a secure future.


2007, the first Multi Rotation Extruder MRS with its patented combination of single screw extruder with a multiple screw section is presented at K show in Düsseldorf. This extruder is particularly suitable for processing reclaim. The unique processing section permits the processing of R-PET directly to a high quality end product without pre-drying by using just a simple water ring vacuum system.

Vertical integration

In the same year, the strategic decision was made to cover the entire value chain in the field of measurement technology exclusively at the parent company in Bad Oeynhausen. Continuous technical development, fast and flexible production tailored to customer requirements, comprehensive support and a broader product range are the driving forces behind the expansion of sensor production.


30 years after the company foundation, the generation handover was successfully completed. The sons Daniel and Dr. Stephan Gneuss took over the sole management after the withdrawal of the company founders.

Strong and consistent growth in Gneuss’  business division „Extrusion Technology” as well as Gneuss’ transformation from an auxiliary equipment supplier to a system supplier has allowed the company to move forward with a sizable expansion of its manufacturing facilities in Bad Oeynhausen, Germany. This expansion will also ensure that there will always be ample space for further research and development. 

Today Gneuss has about 200 employees worldwide and is represented on all continents of the world.

Company NameGneuss Kunststofftechnik GmbH
Business CategoryPlastic Recycling
AddressMoenichhusen 42
Bad Oeynhausen
ZIP: 32549
Year Established1983
Hours of OperationNA
Company Services
  • Extrusion
  • Filtration
  • Polyreactor
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