Growing community of inventors

Gillette, WY, United States of America

Alan D Johnson

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 = 1

Alan D Johnson ↔ Wesley D Hartwigsen (1 patent)Alan D Johnson ↔ Jeffrey C Beckham (1 patent)Alan D Johnson ↔ Kenneth L White (1 patent)Alan D JohnsonAlan D Johnson (1 patent)Wesley D HartwigsenWesley D Hartwigsen (1 patent)Jeffrey C BeckhamJeffrey C Beckham (1 patent)Kenneth L WhiteKenneth L White (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Mining Company (1 from 4 patents)


1 patent:

1. 4764221 - Silo cleaning process

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12/18/2025
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