Growing community of inventors

Houston, TX, United States of America

Steven A Porter

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 = 7

Steven A Porter ↔ William A Valka (1 patent)Steven A PorterSteven A Porter (1 patent)William A ValkaWilliam A Valka (11 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Armco Inc. (1 from 225 patents)


1 patent:

1. 4300750 - Position indicating valves

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as of
1/16/2026
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