Growing community of inventors

Gastonia, NC, United States of America

John Robert Duvall

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 = 0

John Robert DuvallJames Michael Glazewski (1 patent)John Robert DuvallJohn Robert Duvall (1 patent)James Michael GlazewskiJames Michael Glazewski (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mann+hummel Filtration Technology US LLC (1 from 19 patents)


1 patent:

1. 12102949 - Filter media having angled embossments

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