Growing community of inventors

Bethel, CT, United States of America

Eric L Sandstrom

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 = 17

Eric L Sandstrom ↔ Peter J Hubbard (1 patent)Eric L SandstromEric L Sandstrom (1 patent)Peter J HubbardPeter J Hubbard (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Dorr-oliver Incorporated (1 from 139 patents)


1 patent:

1. 3984319 - Membrane separation equipment

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as of
12/19/2025
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