Growing community of inventors

Durand, IL, United States of America

John F Keene

Average Co-Inventor Count = 1.33

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 = 10

John F KeeneChristopher J Plude (1 patent)John F KeeneJohn F Keene (2 patents)Christopher J PludeChristopher J Plude (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Keene Technology Inc., (2 from 2 patents)


2 patents:

1. 6923880 - Film splicer apparatus and method for splicing a film used for bagging snack foods

2. 6880604 - Butt splicer apparatus

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as of
12/16/2025
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