Growing community of inventors

Mill Valley, CA, United States of America

Bruce J Cardinal

Average Co-Inventor Count = 4.00

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 = 145

Bruce J Cardinal ↔ Gregor Angus Berkowitz (2 patents)Bruce J Cardinal ↔ Gordon A Stewart (2 patents)Bruce J Cardinal ↔ Michael Fogarty (2 patents)Bruce J CardinalBruce J Cardinal (2 patents)Gregor Angus BerkowitzGregor Angus Berkowitz (10 patents)Gordon A StewartGordon A Stewart (2 patents)Michael FogartyMichael Fogarty (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Et Water Systems, Inc. (2 from 8 patents)


2 patents:

1. 7899580 - Irrigation system

2. 7596429 - Irrigation system

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as of
1/1/2026
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