Growing community of inventors

Plano, TX, United States of America

Darryl W Geyen

Average Co-Inventor Count = 6.00

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 = 22

Darryl W Geyen ↔ Timothy Allan Bell (1 patent)Darryl W Geyen ↔ Michael Thomas Hyzny (1 patent)Darryl W Geyen ↔ Barton J Firman (1 patent)Darryl W Geyen ↔ Thomas Leroy Krieger (1 patent)Darryl W Geyen ↔ James Todd Delfunt (1 patent)Darryl W GeyenDarryl W Geyen (1 patent)Timothy Allan BellTimothy Allan Bell (14 patents)Michael Thomas HyznyMichael Thomas Hyzny (2 patents)Barton J FirmanBarton J Firman (1 patent)Thomas Leroy KriegerThomas Leroy Krieger (1 patent)James Todd DelfuntJames Todd Delfunt (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (1 from 16,338 patents)


1 patent:

1. 6354465 - Protable device for accurately metering and delivering cohesive bulk solid powders

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as of
12/10/2025
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