Growing community of inventors

Chatham, NJ, United States of America

Andrew James Dalziel Ritchie

Average Co-Inventor Count = 2.00

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

Andrew James Dalziel Ritchie ↔ Edward Francis Outten (1 patent)Andrew James Dalziel RitchieAndrew James Dalziel Ritchie (1 patent)Edward Francis OuttenEdward Francis Outten (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Infineum USA LP (1 from 24 patents)


1 patent:

1. RE39648 - Crankcase lubricant for heavy duty diesel oil

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as of
12/10/2025
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