EPO Patents = 36

Trademarks = 7

Forward Citations = 306

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25 inventors (with patents filed for the assignee):

Helmut F Link (21 out of 48 patents)

Walter Grossmann (14 out of 21 patents)

Guenther Heinrich Trautmann (8 out of 9 patents)

4. Guenther-Heinrich Trautmann (4 out of 4 patents)

5. Stefan Grossmann (3 out of 3 patents)

6. Dietmar F Hafla (3 out of 11 patents)

7. Eberhard Beck (2 out of 2 patents)

8. Bernd Walker (2 out of 3 patents)

9. Anton Haberkern (2 out of 2 patents)

10. Stefan Stifter (1 out of 1 patent)

11. Markus Reinert (1 out of 1 patent)

12. Ulrich Baumann (1 out of 8 patents)

13. Heinz Forst (1 out of 3 patents)

14. Karl-Heinz Schumacher (1 out of 1 patent)

15. Matthias Eisele (1 out of 1 patent)

Core Competencies:

Machine Tool

Multispindle Lathe

Turning Center

Tool Turret

Workpiece Spindle

Automatic Lathe

Simulation System

Bar Stock Feeding

Cooling System

Geometric Axis

Machining Units

Spindle Drive

47 patents: Sort by Forward Citations

1. 10788306 - Method for positioning a center point on a geometric axis in a machine tool (2020-09-29),

2. 8978219 - Machine tool (2015-03-17),

3. 8844412 - Multispindle lathe (2014-09-30),

4. 8606391 - Virtual machine tool for representing actions of machining units and generating operating data from user input (2013-12-10),

5. 8087332 - Lathe (2012-01-03),

6. 7926155 - Machine tool (2011-04-19),

7. 7743689 - Turning center (2010-06-29),

8. 7684890 - Simulation system (2010-03-23),

9. 7578036 - Machine tool (2009-08-25),

10. 7334304 - Machine tool (2008-02-26),

11. 7131359 - Multiple-spindle lathe (2006-11-07),

12. 7021183 - Drive housing for machine tool drives (2006-04-04),

13. 6964217 - Multispindle lathe (2005-11-15),

14. 6948411 - Machine tool (2005-09-27),

15. 6655247 - Machine tool (2003-12-02),

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

47 Patents

#24 in

#1,153 in Germany

#14,389 in the World

DE

Index-werke Gmbh Co. Kg Hahn & Tessky