Growing community of inventors

Longmont, CO, United States of America

John Popken

Average Co-Inventor Count = 4.00

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 = 59

John PopkenRobert N Hotchkiss (1 patent)John PopkenArthur Woodward (1 patent)John PopkenJohn Popken (1 patent)Robert N HotchkissRobert N Hotchkiss (13 patents)Arthur WoodwardArthur Woodward (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Smith & Nephew Richards Inc. (1 from 114 patents)


1 patent:

1. 5372597 - Supination-pronation device

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as of
12/7/2025
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