Growing community of inventors

Yorba Linda, CA, United States of America

David A Ehrick

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 11

David A EhrickStephen D Ehrick (2 patents)David A EhrickDavid A Ehrick (2 patents)Stephen D EhrickStephen D Ehrick (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ionman Wash Systems, LLC (2 from 2 patents)


2 patents:

1. 6726091 - Deionized water washing system and controls

2. 6527196 - Deionized water washing apparatus and method

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as of
12/31/2025
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