Growing community of inventors

Fenton, MO, United States of America

John R Wiedemann

Average Co-Inventor Count = 2.40

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 = 5

John R Wiedemann ↔ Albert S Chan (1 patent)John R Wiedemann ↔ James S Holtrop (1 patent)John R Wiedemann ↔ Samuel L Hull (1 patent)John R WiedemannJohn R Wiedemann (2 patents)Albert S ChanAlbert S Chan (15 patents)James S HoltropJames S Holtrop (3 patents)Samuel L HullSamuel L Hull (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Solutia Incorporated (1 from 286 patents)

2. Monsanto Chemical Company (1 from 3 patents)


2 patents:

1. 6340000 - Cleaning poultry manure from support surfaces of an egg-laying installation

2. 5032389 - Zinc tripolyphosphate compounds as anticalculus and antiplaque agents

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as of
12/19/2025
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