For the Inventor, By the Inventor

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Tägerwilen, Switzerland

Schwihag Ag

USPTO Granted Patents = 13

CIPO Patents = 4

EPO Patents = 23

Forward Citations = 16

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14 inventors (with patents filed for the assignee):

Frank Meyer (8 out of 13 patents)

Roland Buda (7 out of 7 patents)

Stefan Lienhard (4 out of 5 patents)

4. Daniel Walter (3 out of 3 patents)

5. Erik Danneberg (3 out of 3 patents)

6. Bernd Wientges (2 out of 2 patents)

7. Tilman Rützel (1 out of 1 patent)

8. Markus Weigele (1 out of 1 patent)

9. Thomas Dahmann (1 out of 1 patent)

10. Jia Liu (1 out of 1 patent)

11. William Locci (1 out of 1 patent)

12. Tilman Peter Ruetzel (1 out of 1 patent)

13. Tilmann Ruetzel (1 out of 1 patent)

14. Karl-Heinz Schwiede (1 out of 3 patents)

15. Erik Danneberg (0 patent)

13 patents: Sort by Forward Citations

1. 11306442 - Rail fastening system (2022-04-19),

2. 11293145 - Gripping mechanism for spindle-screw clipping machine (2022-04-05),

3. 10704205 - Holddown assembly for railway rail (2020-07-07),

4. 10094070 - Rail fastening system (2018-10-09),

5. 9458575 - Rail attachment system for junction areas (2016-10-04),

6. 9290888 - Rail-fastening system (2016-03-22),

7. 8973846 - Rail fastening system (2015-03-10),

8. 8814058 - Plastic screw anchor for securing a rail to a railroad tie (2014-08-26),

9. 8608115 - Roller support for the point rail of a railroad switch (2013-12-17),

10. 8297528 - Spring-type rail mount for track system (2012-10-30),

11. 8245984 - Adjustment device in railroad switches (2012-08-21),

12. 8025241 - Hollow sleeper (2011-09-27),

13. 7637438 - Non-positive fit elastic rail connection for track systems (2009-12-29),

SCHWIHAG AG is a leading provider of innovative industrial solutions. With a strong focus on engineering excellence and customer satisfaction, we offer a wide range of products and services in the areas of manufacturing, automation, and logistics. Our commitment to quality and reliability has earned us a solid reputation in the industry. Visit our website to learn more about our offerings and how we can help your business succeed.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

13 Patents

#1 in Tägerwilen

#848 in Switzerland

#43,635 in the World

Tägerwilen, Switzerland

Schwihag Ag

Forward Citations = 16

14 inventors:

Frank Meyer (8 out of 13 patents)

Roland Buda (7 out of 7 patents)

Stefan Lienhard (4 out of 5 patents)

4. Daniel Walter (3 out of 3 patents)

5. Erik Danneberg (3 out of 3 patents)

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