Growing community of inventors

Vancouver, WA, United States of America

Richard F Barrows

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

Richard F Barrows ↔ Mike Hamilton (1 patent)Richard F BarrowsRichard F Barrows (1 patent)Mike HamiltonMike Hamilton (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Seh America, Inc. (1 from 163 patents)


1 patent:

1. 7137405 - Low pressure check valve

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1/3/2026
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