Founding of KELLER metalworking shop in Troisdorf
KELLER starts with the production of gear wheels.
Production is extended to include gear units for the steel and opencast mining industries
Founder Carl Keller dies. His Sohn Dr. Karl Keller and his brother Wilhelm Keller undertake the business.
Karl F. Keller undertakes the Management of KELLER. The products of KELLER were delivered global from that date.
KELLER moved their location from downtown Troisdorf to its present production site.
The catalogue of products is continuously expanded and, by now, includes transmissions for the nutrition industry. The company also begins development for the cement, chemical and aluminium industries as well as motor solutions for the ship building industry.
Dr. Dirk Keller takes over the management of the company. Development and production starts for transmissions for the dredging industry.
Investments amounting to 30 million euros are made in comprehensive modernization of the machine park. The largest tooth flank polishing machine in Germany at the time started operations.
The generation and the structure begin to change.
The heaviest cutting head transmission until now (at 300 tons) is delivered for the dredging industry, along with the 190-ton doffer, the heaviest supplied by Keller.
C.u.W. Keller GmbH & Co. KG was acquired by Kumera Corporation in September 2019 and will continue the business as Kumera Getriebe GmbH .