Growing community of inventors

Ontario, NY, United States of America

Ethan T Butterfield

Average Co-Inventor Count = 1.33

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

Ethan T ButterfieldJeffrey D Hanson (1 patent)Ethan T ButterfieldEthan T Butterfield (2 patents)Jeffrey D HansonJeffrey D Hanson (18 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Crosman Corporation (2 from 120 patents)


2 patents:

1. 12398975 - Trigger assembly for air gun

2. 12339088 - Spool valve assembly for air gun

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as of
1/4/2026
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