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Butzbach, Germany

Bwg Butzbacher Weichenbau Gmbh

USPTO Granted Patents = 19

Forward Citations = 68

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16 inventors (with patents filed for the assignee):

Erich Nuding (15 out of 16 patents)

Sebastian Benenowski (14 out of 18 patents)

Alfred Kais (10 out of 13 patents)

4. Hubertus Hohne (5 out of 6 patents)

5. Hans-Ulrich Dietze (4 out of 11 patents)

6. Albrecht Demmig (3 out of 5 patents)

7. Gerhard Ratz (2 out of 4 patents)

8. Rudiger Ziethen (2 out of 2 patents)

9. Fridbert Heinze (1 out of 3 patents)

10. Walter Kunitz (1 out of 3 patents)

11. Stefan Schmedders (1 out of 4 patents)

12. Friedhelm Floter (1 out of 1 patent)

13. Ruediger Ziethen (1 out of 1 patent)

14. Friedhelm Wojtek (1 out of 1 patent)

15. Wilhelm Heller (1 out of 10 patents)

19 patents: Sort by Forward Citations

1. 6177205 - Process for producing a permanent way component and such a component (2001-01-23),

2. 6068196 - Expansion joint for part of a railway track (2000-05-30),

3. 6062144 - Method and means for the elastic bending of a support for a flexible (2000-05-16),

4. 6027034 - Superstructure construction (2000-02-22),

5. 5647280 - Rail line, in particular for a high-speed magnetic train (1997-07-15),

6. 5645216 - Bearing for a part of a railroad track (1997-07-08),

7. 5605281 - Rail support system (1997-02-25),

8. 5590833 - Expansion joint for part of a railway track (1997-01-07),

9. 5582108 - Rail junction (1996-12-10),

10. 5522570 - Rail section (1996-06-04),

11. 5482576 - Railway-track elements and method of manufacturing them (1996-01-09),

12. 5451018 - Railway tongue and rail juncture (1995-09-19),

13. 5390881 - Roller assembly for a switch tongue used with a stock rail (1995-02-21),

14. 5295624 - Contact surfaces of a track part and railway wheel (1994-03-22),

15. 5222700 - Device for locking a switch blade (1993-06-29),

Bwg Butzbacher Weichenbau GmbH is a leading provider of railway construction and maintenance services. With a focus on switches and crossings, the company offers a wide range of products and solutions for rail infrastructure. Their expertise and high-quality standards have made them a trusted partner for railway operators and construction companies worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

19 Patents

#1 in Butzbach

#2,312 in Germany

#31,681 in the World

Butzbach, Germany

Bwg Butzbacher Weichenbau Gmbh

Forward Citations = 68

16 inventors:

Erich Nuding (15 out of 16 patents)

Sebastian Benenowski (14 out of 18 patents)

Alfred Kais (10 out of 13 patents)

4. Hubertus Hohne (5 out of 6 patents)

5. Hans-Ulrich Dietze (4 out of 11 patents)

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