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Forward Citations = 68

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8 inventors (with patents filed for the assignee):

Garri Berstein (3 out of 17 patents)

Garrj Berstein (2 out of 5 patents)

Helmut Wittkopp (1 out of 15 patents)

4. Theodor Lindgens (1 out of 1 patent)

5. Heinz Vom Dorp (1 out of 2 patents)

6. William P Gottschalk (1 out of 2 patents)

7. Siegfried Bagusche (1 out of 1 patent)

8. Clemens Lowis (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5333480 - Method for straightening out of true work pieces, especially crankshafts (1994-08-02),

2. 5235838 - Method and apparatus for truing or straightening out of true work pieces (1993-08-17),

3. 5001917 - Method and apparatus for truing or straightening out of true work pieces (1991-03-26),

4. 4299017 - Apparatus for smooth rolling the bearing seats of crankshafts (1981-11-10),

5. 4296620 - Smoothing rolling mill (1981-10-27),

6. 4264246 - Boring tool for boring holes of substantial length (1981-04-28),

7. 4240770 - Boring tool with a floating knife (1980-12-23),

8. 4211129 - Method for producing a bore (1980-07-08),

W. Hegenscheidt Gesellschaft Mbh is a leading manufacturer of wheelset maintenance machines, providing high-quality solutions for railway companies worldwide. With over 100 years of experience, the company offers a wide range of products and services to ensure safe and efficient rail operations.

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USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#6 in Erkelenz

#4,358 in Germany

Erkelenz, Germany

W. Hegenscheidt Gesellschaft Mbh