CIPO Patents = 5

EPO Patents = 20

Trademarks = 1

Forward Citations = 110

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31 inventors (with patents filed for the assignee):

Alfred Heimann (13 out of 19 patents)

Roland Heffe (7 out of 8 patents)

Hans-Toni Steffens (5 out of 5 patents)

4. Hans Zimmermann (4 out of 5 patents)

5. Theo Nijssen (4 out of 4 patents)

6. Hans-Joachim Reiche (4 out of 4 patents)

7. Hans J Naumann (3 out of 13 patents)

8. Frank Risters (3 out of 4 patents)

9. Jandrey Maldaner (2 out of 4 patents)

10. Camilo De La Riva (2 out of 2 patents)

11. Manfred Boms (2 out of 2 patents)

12. Heinrich Wilhelm Derichs (2 out of 2 patents)

13. Siegfried Bagusche (2 out of 3 patents)

14. John Oliver Naumann (1 out of 4 patents)

15. Alexander Rudi (1 out of 3 patents)

36 patents: Sort by Forward Citations

1. 10859470 - Method for measuring and calculating geometric parameters of the wheels of a wheelset for rail vehicles (2020-12-08),

2. 10639767 - Rolling unit for deep-rolling the running surfaces of rail vehicles (2020-05-05),

3. 10166595 - Rolling tool (2019-01-01),

4. 10092993 - Method and tool for increasing the strength of shafts, in particular of crankshafts (2018-10-09),

5. 9987722 - Hard-rolling roller (2018-06-05),

6. 9707984 - Method and device for inspecting railway wheels (2017-07-18),

7. 9676017 - Method for the roller-straightening of crankshafts (2017-06-13),

8. 9446449 - Method for reprofiling wheelsets on underfloor wheel lathes (2016-09-20),

9. 9205516 - Hydraulic wheel set press (2015-12-08),

10. 9205472 - Machine for deep-rolling axles (2015-12-08),

11. 9138809 - Under-floor wheelset lathe (2015-09-22),

12. 8677581 - Deep rolling machine for crankshafts (2014-03-25),

13. 8567025 - Deep rolling roller of a deep rolling machine arranged detachably on a housing (2013-10-29),

14. 8245374 - Roller burnishing machine for crankshafts (2012-08-21),

15. 7952729 - Measuring instrument for determining the actual condition of wheel sets (2011-05-31),

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USPTO Data Jan 1 1976 - Dec 16 2025

36 Patents

#1 in Erkelenz

#1,412 in Germany

#18,166 in the World

Erkelenz, Germany

Hegenscheidt-mfd Gmbh Co. Kg

Forward Citations = 110

31 inventors:

Alfred Heimann (13 out of 19 patents)

Roland Heffe (7 out of 8 patents)

Hans-Toni Steffens (5 out of 5 patents)

4. Hans Zimmermann (4 out of 5 patents)

5. Theo Nijssen (4 out of 4 patents)

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5 patents (CIPO):

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20 patents (EPO):

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