Growing community of inventors

Buena Park, CA, United States of America

Joseph O Herrera

Average Co-Inventor Count = 3.00

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

Joseph O HerreraRobert D Lichti (1 patent)Joseph O HerreraPaul J Ashley (1 patent)Joseph O HerreraJoseph O Herrera (1 patent)Robert D LichtiRobert D Lichti (20 patents)Paul J AshleyPaul J Ashley (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Park Mobile, Inc. (1 from 7 patents)


1 patent:

1. 4173279 - Fluid metering and transfer system

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12/30/2025
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