Growing community of inventors

Springfield, IL, United States of America

David Trojahn

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 = 0

David Trojahn ↔ Christopher W Rahn (1 patent)David Trojahn ↔ Brent R Friedrich (1 patent)David Trojahn ↔ William Krause (1 patent)David TrojahnDavid Trojahn (1 patent)Christopher W RahnChristopher W Rahn (11 patents)Brent R FriedrichBrent R Friedrich (6 patents)William KrauseWilliam Krause (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bunn-o-matic Corporation (1 from 320 patents)


1 patent:

1. 10517420 - Accelerated brewing system, method, and apparatus

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1/2/2026
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