Growing community of inventors

Wheatland Township, Willa County, IL, United States of America

Herman Wissenberg

Average Co-Inventor Count = 3.00

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 = 9

Herman Wissenberg ↔ Earl D York (1 patent)Herman Wissenberg ↔ Darrell D Porter (1 patent)Herman WissenbergHerman Wissenberg (1 patent)Earl D YorkEarl D York (14 patents)Darrell D PorterDarrell D Porter (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Standard Oil Company (Indiana) (1 from 1,055 patents)

2. Gulf Oil Corporation (1 from 232 patents)


1 patent:

1. 4435016 - In situ retorting with flame front-stabilizing layer of lean oil shale

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1/16/2026
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