Growing community of inventors

Cascade, IA, United States of America

Christopher Charles Krapfl

Average Co-Inventor Count = 2.00

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 = 13

Christopher Charles Krapfl ↔ Wayne R Miller (1 patent)Christopher Charles KrapflChristopher Charles Krapfl (1 patent)Wayne R MillerWayne R Miller (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Deere + Company (1 from 8,451 patents)


1 patent:

1. 6484835 - Air cleaner and hood ducting arrangement

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as of
12/21/2025
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