Growing community of inventors

Des Moines, IA, United States of America

Duane A Essex

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 = 1

Duane A EssexTerry L Lowe (1 patent)Duane A EssexDuane A Essex (1 patent)Terry L LoweTerry L Lowe (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5394947 - Tubular hitch member ball connection for an implement

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as of
12/18/2025
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