Growing community of inventors

Cherry Valley, IL, United States of America

James Schaefer

Average Co-Inventor Count = 2.00

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 = 14

James SchaeferChristopher Norkus (4 patents)James SchaeferJames Schaefer (4 patents)Christopher NorkusChristopher Norkus (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Swenson Spreader, LLC (4 from 7 patents)


4 patents:

1. 9475072 - Method and apparatus for directing spreader spray

2. 9371621 - Spreader assembly

3. 9085863 - Method and apparatus for directing spreader spray

4. 9085862 - Spreader assembly

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as of
12/18/2025
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