Growing community of inventors

Wichita, KS, United States of America

Charles L Coffman

Average Co-Inventor Count = 4.00

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 = 26

Charles L Coffman ↔ Jack Newcombe (1 patent)Charles L Coffman ↔ Shirley H Roth (1 patent)Charles L Coffman ↔ Glen F Kellerhals (1 patent)Charles L CoffmanCharles L Coffman (1 patent)Jack NewcombeJack Newcombe (6 patents)Shirley H RothShirley H Roth (5 patents)Glen F KellerhalsGlen F Kellerhals (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cities Service Company (1 from 109 patents)


1 patent:

1. 4029570 - Process for recovering crude oil from an underground reservoir

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12/19/2025
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