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Kansas City, MO, United States of America

Edward Constantine

Average Co-Inventor Count = 1.25

ph-index = 2

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 = 6

Edward ConstantineWilbur F Osler (4 patents)Edward ConstantineEdward Constantine (10 patents)Wilbur F OslerWilbur F Osler (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Progress Rail Services Corporation (5 from 119 patents)

2. Amsted Rail Company, Inc. (3 from 139 patents)

3. Progress Rail a Caterpillar Company (1 from 1 patent)

4. Amsted Rps (1 from 1 patent)


10 patents:

1. 11732423 - Spring anchor assembly for track rail and spring anchor insulator for same

2. 11396729 - Direct fixation fastener having interlocking eccentrics for lateral adjustment

3. 11098454 - Track rail fastener and system for pedestal mounted track rail

4. 10428468 - Track-mounting assembly

5. 10240299 - Mechanism and system for fastening track rail to a substrate and track rail fastening method

6. 10081915 - Track rail fastening mechanism and method

7. 9708776 - Track-mounting assembly

8. 8944340 - Adjuster for track-mounting assembly

9. 8919660 - End restraint for turnout

10. D712241 - Bolt anchor for concrete

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