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Chula Vista, CA, United States of America

John R Kirwan, Jr

Average Co-Inventor Count = 2.00

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 = 28

John R Kirwan, JrDonald T Bray (1 patent)John R Kirwan, JrJohn R Kirwan, Jr (1 patent)Donald T BrayDonald T Bray (20 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Desalination Systems, Inc. (1 from 24 patents)


1 patent:

1. 4548714 - Semipermeable membrane cartridge for use with a pressure container

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12/18/2025
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