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Streetsboro, OH, United States of America

Duane R Steelman

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 = 2

Duane R SteelmanNancy S Sherwood (2 patents)Duane R SteelmanDuane R Steelman (2 patents)Nancy S SherwoodNancy S Sherwood (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Frazer and Cruickshank Living Trust (1 from 3 patents)

2. The Frazer and Cruickshank Living Trust Dated 3/24/1982 (1 from 1 patent)


2 patents:

1. 10301192 - Removal of copper from aqueous streams using an iron promoted activated alumina

2. 9725335 - Removal of copper from aqueous streams using an iron promoted activated alumina

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