Growing community of inventors

Munhall, PA, United States of America

Francis R Vargo

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 = 6

Francis R VargoMichael L Fenger (2 patents)Francis R VargoFrancis R Vargo (2 patents)Michael L FengerMichael L Fenger (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Consolidation Coal Company (2 from 59 patents)


2 patents:

1. 5071629 - Recycling catalyst bed for flue gas treatment

2. 5009856 - Recycling catalyst bed for flue gas treatment

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12/17/2025
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