Growing community of inventors

Windham, NH, United States of America

Stephen Allen Johnson

Average Co-Inventor Count = 3.27

ph-index = 5

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 = 191

Stephen Allen JohnsonJohn Wurster (7 patents)Stephen Allen JohnsonJohn Philip Comer (7 patents)Stephen Allen JohnsonSharon M Sjostrom (1 patent)Stephen Allen JohnsonKenneth E Baldrey (1 patent)Stephen Allen JohnsonMichael D Durham (1 patent)Stephen Allen JohnsonNina Bergan French (1 patent)Stephen Allen JohnsonStephen Allen Johnson (7 patents)John WursterJohn Wurster (8 patents)John Philip ComerJohn Philip Comer (8 patents)Sharon M SjostromSharon M Sjostrom (47 patents)Kenneth E BaldreyKenneth E Baldrey (36 patents)Michael D DurhamMichael D Durham (36 patents)Nina Bergan FrenchNina Bergan French (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ada-es, Inc. (4 from 55 patents)

2. Ada Environmental Solutions, LLC (3 from 12 patents)


7 patents:

1. 11168274 - Low sulfur coal additive for improved furnace operation

2. 9951287 - Low sulfur coal additive for improved furnace operation

3. 8919266 - Low sulfur coal additive for improved furnace operation

4. 8439989 - Additives for mercury oxidation in coal-fired power plants

5. 7332002 - Low sulfur coal additive for improved furnace operation

6. 6773471 - Low sulfur coal additive for improved furnace operation

7. 6729248 - Low sulfur coal additive for improved furnace operation

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idiyas.com
as of
12/18/2025
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