Growing community of inventors

Madison Heights, MI, United States of America

John Hefferon

Average Co-Inventor Count = 5.00

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 = 2

John Hefferon ↔ Aed M Dudar (1 patent)John Hefferon ↔ Mark W Peters (1 patent)John Hefferon ↔ Donald Ignasiak (1 patent)John Hefferon ↔ Deborah Dukatz (1 patent)John HefferonJohn Hefferon (1 patent)Aed M DudarAed M Dudar (624 patents)Mark W PetersMark W Peters (84 patents)Donald IgnasiakDonald Ignasiak (7 patents)Deborah DukatzDeborah Dukatz (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ford Global Technolgoies, LLC (1 from 25,932 patents)


1 patent:

1. 10495030 - Evaporative emission control system and diagnostic method

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12/30/2025
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