Growing community of inventors

Lawrenceville, GA, United States of America

James C Robertson

Average Co-Inventor Count = 3.23

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 115

James C RobertsonRalph Hartman Schorr (4 patents)James C RobertsonMichael J Rench (3 patents)James C RobertsonJames E Black, Jr (3 patents)James C RobertsonAndrew B Eaker (3 patents)James C RobertsonMark L Litherland (3 patents)James C RobertsonWalter J Marulic (2 patents)James C RobertsonWilliam R Baker (2 patents)James C RobertsonPeter S Dworakowski (1 patent)James C RobertsonJames C Robertson (7 patents)Ralph Hartman SchorrRalph Hartman Schorr (8 patents)Michael J RenchMichael J Rench (9 patents)James E Black, JrJames E Black, Jr (7 patents)Andrew B EakerAndrew B Eaker (4 patents)Mark L LitherlandMark L Litherland (3 patents)Walter J MarulicWalter J Marulic (7 patents)William R BakerWilliam R Baker (6 patents)Peter S DworakowskiPeter S Dworakowski (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Thrall Car Manufacturing Company (6 from 64 patents)

2. Trinity Industries, Inc. (1 from 97 patents)


7 patents:

1. 7275488 - Auto rack railway car

2. 6289822 - Auto rack railway car

3. 5787816 - Auto rack side panel assembly

4. 5765486 - Auto rack railway car

5. 4836726 - Vehicle wheel chock for securing vehicles during transport

6. 4759669 - Vehicle transporting railroad car with hinged deck section lock

7. 4677918 - Railroad car with retractable closure track held down by bridge plate

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idiyas.com
as of
12/11/2025
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