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Forward Citations = 246

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11 inventors (with patents filed for the assignee):

Troy L Elbert (5 out of 5 patents)

Timothy J Coolman (5 out of 5 patents)

Jeffrey B Wigh (4 out of 4 patents)

4. Richard L Ebersold (4 out of 4 patents)

5. Jason M Kahn (2 out of 2 patents)

6. George D Martens (2 out of 5 patents)

7. Brent T Applebury (2 out of 2 patents)

8. Andy White (2 out of 2 patents)

9. Jeff Wigh (1 out of 1 patent)

10. Jason Roe (1 out of 1 patent)

11. John W Kieser (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 12392756 - Roller search unit having integrated digital circuitry for detecting rail defects (2025-08-19),

2. 12286142 - Utility body for housing system for detecting defects in rail (2025-04-29),

3. 8820166 - Apparatus for detecting defects (2014-09-02),

4. 8806948 - Apparatus and method of detecting defects in a rail joint bar (2014-08-19),

5. 8485035 - Method of detecting defects (2013-07-16),

6. 8424387 - Apparatus for detecting defects (2013-04-23),

7. 8418563 - Apparatus for detecting defects (2013-04-16),

8. 8365604 - Apparatus for and method of detecting defects in a rail joint bar (2013-02-05),

9. 7882742 - Apparatus for detecting, identifying and recording the location of defects in a railway rail (2011-02-08),

10. 6055862 - Method of and an apparatus for detecting, identifying and recording the (2000-05-02),

Herzog Services, Inc. is a leading provider of railroad construction and maintenance services. With over 50 years of experience, we offer a wide range of solutions including track maintenance, signalization, and bridge construction. Our dedication to safety and quality has made us a trusted partner for railroads across the country.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

10 Patents

#5 in St. Joseph, MO

#397 in Missouri

#28,957 in US

#54,287 in the World

St. Joseph, MO, United States of America

Herzog Services, Inc.