Growing community of inventors

Loda, IL, United States of America

D Wayne Niewold

Average Co-Inventor Count = 1.50

ph-index = 3

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 = 23

D Wayne NiewoldRichard A Bradley (2 patents)D Wayne NiewoldD Wayne Niewold (3 patents)Richard A BradleyRichard A Bradley (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Power Planter, Inc. (2 from 2 patents)

2. Hydra Fold Auger, Inc. (1 from 1 patent)

3. Niewold, D. Wayne (0 patent)


3 patents:

1. 5746303 - Auger control

2. 5113952 - Auger planter method

3. 5067571 - Auger planter

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as of
12/28/2025
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