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Index-werke Komm.-ges. Hahn & Tessky

USPTO Granted Patents = 24

Forward Citations = 326

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15 inventors (with patents filed for the assignee):

Helmut F Link (15 out of 48 patents)

Walter Grossmann (5 out of 21 patents)

Dietmar F Hafla (5 out of 11 patents)

4. Gunther Trautmann (3 out of 5 patents)

5. Erich E Schafer (2 out of 2 patents)

6. Guenther Heinrich Trautmann (1 out of 9 patents)

7. Guenther Sommer (1 out of 1 patent)

8. Alfred Gnann (1 out of 2 patents)

9. Paul Waiblinger (1 out of 4 patents)

10. Herbert Illi (1 out of 1 patent)

11. Richard Baumgartner (1 out of 1 patent)

12. Heinrich Lahm (1 out of 1 patent)

13. Albert Herrscher (1 out of 1 patent)

14. Edgar Schinke (1 out of 1 patent)

15. Helmut Gatzki (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 5062330 - Machine tool with a cooled motor spindle (1991-11-05),

2. 5060355 - Machine tool with a high-pressure and a low-pressure hydraulic network (1991-10-29),

3. 5031490 - Process and equipment for loading and unloading the main work spindle of (1991-07-16),

4. 5007314 - Lathe (1991-04-16),

5. 4843691 - Lathe (1989-07-04),

6. 4831907 - Method and apparatus for checking performance of a cutting-off operation (1989-05-23),

7. 4828276 - Device for handling workpieces (1989-05-09),

8. 4796652 - Pressure regulator for hydraulically controlled machine tools (1989-01-10),

9. 4738171 - Multiple-spindle lathe (1988-04-19),

10. 4733585 - Feeding device for a tool slide of a machine tool (1988-03-29),

11. 4700442 - Tool changing apparatus for a machine tool (1987-10-20),

12. 4677719 - Tool holding device for lathes (1987-07-07),

13. 4645219 - Chuck (1987-02-24),

14. 4644636 - Device for changing chuck attachment jaws (1987-02-24),

15. 4640158 - Multiple-spindle automatic lathe (1987-02-03),

Index-werke Komm.-ges. Hahn & Tessky is a global manufacturer of turn-mill centers, multi-spindle machines, and other high-precision machine tools. With over 100 years of experience, the company is recognized for its innovative solutions, technological excellence, and reliable performance. Index-werke offers a comprehensive range of products and services that cater to various industries including automotive, aerospace, medical technology, and more. The company is committed to delivering advanced machining solutions that meet the highest quality standards and optimize production processes.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

24 Patents

#50 in

#1,928 in Germany

#25,835 in the World

Index-werke Komm.-ges. Hahn & Tessky

Forward Citations = 326

15 inventors:

Helmut F Link (15 out of 48 patents)

Walter Grossmann (5 out of 21 patents)

Dietmar F Hafla (5 out of 11 patents)

4. Gunther Trautmann (3 out of 5 patents)

5. Erich E Schafer (2 out of 2 patents)

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