Growing community of inventors

Canton, MI, United States of America

James A Gray

Average Co-Inventor Count = 8.00

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 = 30

James A Gray ↔ Richard Michael Avery, Jr (1 patent)James A Gray ↔ Dennis Michael Letang (1 patent)James A Gray ↔ Ian Daniel McKenzie (1 patent)James A Gray ↔ Marleen F Thompson (1 patent)James A Gray ↔ John Edward Longnecker (1 patent)James A Gray ↔ Donald Michael McDonald (1 patent)James A Gray ↔ David Lawrence Hasfjord (1 patent)James A GrayJames A Gray (1 patent)Richard Michael Avery, JrRichard Michael Avery, Jr (26 patents)Dennis Michael LetangDennis Michael Letang (18 patents)Ian Daniel McKenzieIan Daniel McKenzie (13 patents)Marleen F ThompsonMarleen F Thompson (9 patents)John Edward LongneckerJohn Edward Longnecker (8 patents)Donald Michael McDonaldDonald Michael McDonald (2 patents)David Lawrence HasfjordDavid Lawrence Hasfjord (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Detroit Diesel Corporation (1 from 252 patents)


1 patent:

1. RE39845 - Maintenance alert system for heavy-duty trucks

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12/15/2025
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