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Fresno, CA, United States of America

Edward M Norum

Average Co-Inventor Count = 3.00

ph-index = 4

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 = 48

Edward M Norum ↔ Joseph P Brown (4 patents)Edward M Norum ↔ Christopher J Gyben (4 patents)Edward M NorumEdward M Norum (4 patents)Joseph P BrownJoseph P Brown (7 patents)Christopher J GybenChristopher J Gyben (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Whetstone Group International, Inc. (4 from 4 patents)


4 patents:

1. 6263911 - Fluid flow control valve

2. 6263912 - Fluid flow control valve

3. 6260575 - Fluid flow control valve

4. 6199584 - Fluid flow control valve

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as of
12/20/2025
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