Enter assignee name

Trademarks = 1

Forward Citations = 187

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4 inventors (with patents filed for the assignee):

Carl E Tack, Jr (5 out of 10 patents)

Carl E Tack (4 out of 4 patents)

Sergei G Guins (1 out of 6 patents)

4. Frank P Adler (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 6234083 - Resilient clip-on wear plate (2001-05-22),

2. 5839549 - Brake shoe assembly and key for railway vehicles (1998-11-24),

3. 5425312 - Stabilized pedestal wear plate (1995-06-20),

4. 5222442 - Torsion bar railway truck (1993-06-29),

5. 4942946 - Bottom rod safety guard for railway brake rigging (1990-07-24),

6. 4630715 - Bottom rod safety guard for railway brake rigging (1986-12-23),

7. 4428303 - Pedestal wear plate (1984-01-31),

8. 4405081 - Rail fastener with gauge adjustment (1983-09-20),

9. 4333403 - Retainer railway car truck bolster spring (1982-06-08),

10. 4203371 - Resilient pedestal wear plate (1980-05-20),

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

10 Patents

#328 in Chicago, IL

#1,398 in Illinois

#28,955 in US

#54,268 in the World

Chicago, IL, United States of America

Transdyne, Inc.

Forward Citations = 187

4 inventors:

Carl E Tack, Jr (5 out of 10 patents)

Carl E Tack (4 out of 4 patents)

Sergei G Guins (1 out of 6 patents)

4. Frank P Adler (1 out of 1 patent)

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