1938 Start manufacturing in series of the first buffing machine
1942 Building of Tire Stitcher, model "Standard"
1946 Development of Tire Mounting Machine, 6-claw system
1951 Manufacturing in series of Tire Mounting Machine, 2-claw system
1956 Manufacturing in series of Buffing Machine "RM56" for several tyre sizes
1962 Start manufacturing in series of various Tire Mounting Machines, 4-claw system

1982 Manufacturing of the first Fully Automatic Bulge Tester for Car Tires

1986

 COLLMANN became a member of the J. P. Sauer & Sohn group of companies
1989 Manufacturing of the first Tire X-Ray Machine with two different X-Ray Systems
1994 Purchase of the company Spezialmaschinenbau Steffel (SMS)
1997 Delivery of the 8000th Power Wheel Nut Spanner
1997 Development of a X-Tire-Ray Machine with
digital image analysis

2003
ISO 9001 – 2000 Certification
2005 Delivery of 50th X-Ray System Type 2824
2007 Strategic Alliance with VMI in China
During this period also other developments were made such as inspectation machines, spreading units, tube testing devices and further accessories.
COLLMANN manufactures a large program of Tire Service Machines, Mounting Machines, Buffing and Building Machines for Tire Retreading as well as Measuring Machines, Grinding Machines and X-Ray Machines for the quality control of new tires.