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Sterling Heights, MI, United States of America

Hegenscheidt-mfd Corporation

USPTO Granted Patents = 17

EPO Patents = 8

Trademarks = 2

Forward Citations = 92

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17 inventors (with patents filed for the assignee):

John Oliver Naumann (3 out of 4 patents)

Alfred Heimann (3 out of 19 patents)

Josef Janssen (3 out of 3 patents)

4. Jandrey Maldaner (2 out of 4 patents)

5. Alexander Rudi (2 out of 3 patents)

6. Christian Henk (2 out of 2 patents)

7. Eugene Vodopyanov (2 out of 3 patents)

8. Hans Toni Steffens (1 out of 2 patents)

9. Hans Zimmermann (1 out of 5 patents)

10. Roland Heffe (1 out of 8 patents)

11. Heinrich-Wilhelm Derichs (1 out of 1 patent)

12. Marvin Fischer (1 out of 1 patent)

13. Luis Cadena (1 out of 1 patent)

14. Dieter Goedderz (1 out of 8 patents)

15. Friedhelm Schneider (1 out of 2 patents)

17 patents: Sort by Forward Citations

1. 12409525 - Machine tool (2025-09-09),

2. 11994384 - Method for radially aligning wheelsets of rail vehicles (2024-05-28),

3. 11872640 - Method and device for the machining of the wheel running surface of wheels for rail vehicles (2024-01-16),

4. 11453061 - Device and method for calibrating an underfloor wheelset lathe without a calibration wheelset (2022-09-27),

5. 11338369 - Underfloor wheel set processing machine, in particular underfloor wheel lathe with adjustable track width (2022-05-24),

6. 10946451 - Method and device for the machining of the wheel running surface of wheels for rail vehicles (2021-03-16),

7. 10421115 - Hard-rolling roller head for the deep rolling of the crankpins of a split-pin crankshaft (2019-09-24),

8. 7168278 - Deep rolling roller head of a deep rolling tool (2007-01-30),

9. 6434992 - Fillet rolling support roller (2002-08-20),

10. 6393885 - Tooling for deep rolling fillets of crankshaft journals (2002-05-28),

11. 6360574 - Fillet rolling work roller cage (2002-03-26),

12. 6071049 - Method and machine for rotary milling the crankpins of crankshafts using (2000-06-06),

13. 5984599 - Method and machine for rotary milling the crankpins and main bearing (1999-11-16),

14. 5943893 - Roll-hardening machine for crankshafts (1999-08-31),

15. 5678966 - Milling cutter for a wheel set milling machine (1997-10-21),

Hegenscheidt-mfd Corporation specializes in the development and manufacturing of innovative machine tools for the maintenance and production of wheels, axles, and wheelsets. With a history dating back over 150 years, the company is a global leader in the rail industry, offering cutting-edge solutions for locomotive and rolling stock maintenance. Their products are known for their precision, reliability, and efficiency, helping customers maximize operational performance and minimize downtime.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#12 in Sterling Heights, MI

#662 in Michigan

#18,307 in US

#34,834 in the World

Sterling Heights, MI, United States of America

Hegenscheidt-mfd Corporation

Forward Citations = 92

17 inventors:

John Oliver Naumann (3 out of 4 patents)

Alfred Heimann (3 out of 19 patents)

Josef Janssen (3 out of 3 patents)

4. Jandrey Maldaner (2 out of 4 patents)

5. Alexander Rudi (2 out of 3 patents)

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