Growing community of inventors

Chicago, IL, United States of America

Nick J Yohanna

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 = 28

Nick J YohannaChester Henry Fluder (1 patent)Nick J YohannaNick J Yohanna (1 patent)Chester Henry FluderChester Henry Fluder (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Vapor Corp. (1 from 89 patents)


1 patent:

1. 4043143 - Locomotive environmental system

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as of
12/12/2025
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