Growing community of inventors

Dunkerton, IA, United States of America

Randall John Rigdon

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 = 5

Randall John RigdonTimothy James Kraus (1 patent)Randall John RigdonDaniel James Meyer (1 patent)Randall John RigdonRandall John Rigdon (1 patent)Timothy James KrausTimothy James Kraus (128 patents)Daniel James MeyerDaniel James Meyer (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Deere & Company (1 from 8,482 patents)


1 patent:

1. 7194851 - Steam injection manifold arrangement having steam discharge orifice arrangement adjustable to vary discharge width

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as of
12/28/2025
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