Growing community of inventors

Cedar Rapids, IA, United States of America

Erick W Kerkman

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 = 0

Erick W KerkmanEvan Lee Hupp (1 patent)Erick W KerkmanLyle Knutson (1 patent)Erick W KerkmanErick W Kerkman (1 patent)Evan Lee HuppEvan Lee Hupp (3 patents)Lyle KnutsonLyle Knutson (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evergreen Packaging, Inc. (1 from 27 patents)


1 patent:

1. 7237580 - Container guide for a container filling apparatus

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as of
12/31/2025
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