- Köllemann GmbH is a medium-sized, highly innovative plant construction company with around one hundred employees in the heart of the Eifel. With an experience of over 50 years in bulk solid handling and process engineering, we are the world’s market and technology leader in specialized screw conveyor systems, whether it comes to reliable conveying, heat treatment, cooling or metering of bulk solids.
- A high quality standard in the areas of plant planning, engineering, project management, construction, production and service can be guaranteed by our experienced employees.
- 80 percent of our products are delivered to 80 different countries worldwide. Our systems are mainly used in primary industry as well as energy and power plant technology.
Köllemann is technology leader for screw conveyor systems
Development and patent registration of the MTPM-Mixer.
Together with the Fraunhofer Institute for Solar Energy Systems, Köllemann is developing a salt-based latent heat storage system.
The Maltese Minister of Labor and Education, Evarist Bartolo, is visiting Köllemann to learn about Germany’s dual system of education, which is excecuted in an exemplary way by Köllemann.
Optimization of production by acquisition of a flame cutting machine.
Re-certification for the production and design of pressure-vessels acc. to the „ASME Boiler and – Pressure Vessel Code sec. 8 div. 1“.
Manufacturing of the thitherto worlds biggest coke-preheaters (60 metric to/h) – the delivery takes place in Yunnan, China. The company receives its certificate acc. to ISO 9001:2008.
Volker Kapteina joins the company as managing director, and becomes a few years later also a shareholder.
The aged PPS-system is replaced by a modern ERP-system with special auxiliaries to force a more effective production.
Acquisition of the company by a group of investors and renamed the company into Köllemann GmbH.
Expansion of the production hall which henceforth contains the companies biggest vertical boring and turning mill.
Achievement of the ASME-Certificate for the production and design of pressure-vessels acc. to the „ASME Boiler and Pressure Vessel Code“.
Expansion of the test center for execution of experiments with all kinds of bulk-solids of our customers.
Realization of a research project: „Minimization of ecotoxic heavy-metal composition in wooden ashes“.
For reasons of age, the long-term owner and name patron Anton J. Köllemann leaves the company.
Implementation of computer aided engineering (CAE) for optimization of the components for a more efficient design as well as introduction of production-planning software (PPS).
Worldwide commercialization of our further developed process components, and focus of our engineering towards the delivery of complete solutions.
Introduction of computer-aided design software (CAD) as well as implementation of computer numeric controlled machinery (CNC).
Renaming to A. J. Köllemann GmbH.
Buyout of the company by its (subsequently) long-time owner Anton J. Köllemann. Entering manufacturing of screw-heat-exchangers. The client base and the product-range is expanded within the fields of power-plants and mining industry.
Founding of the company named „Horst Kuprat KG“ – The first customers consist solely of the cement industry as well as a few chemical companies.