Growing community of inventors

Garland, TX, United States of America

James Hannah

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 0

James HannahCaleb Obholz (1 patent)James HannahErik Vipond (1 patent)James HannahJames Hannah (1 patent)Caleb ObholzCaleb Obholz (1 patent)Erik VipondErik Vipond (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Epiroc Drilling Solutions, LLC (1 from 9 patents)


1 patent:

1. 11702158 - Track shoe and track assembly for tracked vehicles

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as of
12/15/2025
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