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Erkelenz, Germany

Wilhelm Hegenscheidt Gmbh

USPTO Granted Patents = 15

Forward Citations = 128

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20 inventors (with patents filed for the assignee):

Helmut Wittkopp (3 out of 15 patents)

Garri Berstein (3 out of 17 patents)

Alfred Ostertag (2 out of 17 patents)

4. Theodor Dombrowski (2 out of 9 patents)

5. Garrj Berstein (2 out of 5 patents)

6. Alfred Heimann (1 out of 19 patents)

7. Hans W Obrig (1 out of 4 patents)

8. Hermann Wolters (1 out of 2 patents)

9. Rudolf Winkens (1 out of 5 patents)

10. Nis-Friedrich Ewald (1 out of 1 patent)

11. Hans-Georg Augustin (1 out of 1 patent)

12. Achim Lison (1 out of 1 patent)

13. Lothar Herrmann (1 out of 2 patents)

14. Hans J Naumann (1 out of 1 patent)

15. Lothar Heymanns (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 4947668 - Rolling milling tool (1990-08-14),

2. 4922739 - Roller milling tool unit for a milling machine tool (1990-05-08),

3. 4802285 - Method and apparatus for ascertaining the radial location of a new wheel (1989-02-07),

4. 4799839 - Method and apparatus for performing a rotary broaching operation (1989-01-24),

5. 4680846 - Material saving method for truing track wheels (1987-07-21),

6. 4539831 - Method for setting the stroke of movable rolling units, and crankshaft (1985-09-10),

7. 4485537 - Machine for the machining of crankshafts (1984-12-04),

8. 4289431 - Boring tool with floating blades (1981-09-15),

9. 4167106 - Method and apparatus for finish rolling workpieces of substantially (1979-09-11),

10. 4133399 - Boring device (1979-01-09),

11. 4133089 - Combined precision boring and burnishing tool (1979-01-09),

12. 4119001 - Method of and machine for reprofiling a railroad-car wheel (1978-10-10),

13. 4110910 - Apparatus for simultaneously measuring the outer diameter of sets of (1978-09-05),

14. 4054976 - Combined precision boring and burnishing tool (1977-10-25),

15. 4033209 - Support rolls for supporting wheels of a wheel set during reprofiling (1977-07-05),

Wilhelm Hegenscheidt GmbH is a global supplier of innovative solutions for the overhaul, maintenance and manufacturing of railway wheels, wheelsets and bogies. With over 100 years of experience, the company offers cutting-edge technology and comprehensive services to meet the needs of the rail industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#4 in Erkelenz

#2,763 in Germany

#38,699 in the World

Erkelenz, Germany

Wilhelm Hegenscheidt Gmbh

Forward Citations = 128

20 inventors:

Helmut Wittkopp (3 out of 15 patents)

Garri Berstein (3 out of 17 patents)

Alfred Ostertag (2 out of 17 patents)

4. Theodor Dombrowski (2 out of 9 patents)

5. Garrj Berstein (2 out of 5 patents)

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