Growing community of inventors

San Juan Capistrano, CA, United States of America

Richard S Karbo

Average Co-Inventor Count = 1.00

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 = 2

Richard S KarboRichard S Karbo (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. James Hardie Irrigation, Inc. (1 from 14 patents)


1 patent:

1. D294730 - Pop-up sprinkler

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as of
12/19/2025
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