Growing community of inventors

North Huntington, PA, United States of America

Frank E 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 = 16

Frank E Johnson ↔ Lawrence J Rhoades (1 patent)Frank E Johnson ↔ Nicholas P Nokovich (1 patent)Frank E Johnson ↔ Thomas A Kohut (1 patent)Frank E JohnsonFrank E Johnson (1 patent)Lawrence J RhoadesLawrence J Rhoades (37 patents)Nicholas P NokovichNicholas P Nokovich (4 patents)Thomas A KohutThomas A Kohut (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Extrude Hone Corporation (1 from 45 patents)


1 patent:

1. 5054247 - Method of controlling flow resistance in fluid orifice manufacture

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as of
12/18/2025
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