Growing community of inventors

Oakbrook Ter., IL, United States of America

Robert E Johnson

Average Co-Inventor Count = 3.00

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 = 40

Robert E JohnsonG Robert Oslin (2 patents)Robert E JohnsonJames R Buchler (2 patents)Robert E JohnsonRobert E Johnson (2 patents)G Robert OslinG Robert Oslin (16 patents)James R BuchlerJames R Buchler (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Delaware Capital Formation, Inc. (2 from 655 patents)


2 patents:

1. 5279676 - Method for cleaning a boiler

2. 5193491 - Cleaning system for boiler

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1/3/2026
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