Growing community of inventors

Terre Haute, IN, United States of America

Delby C Humphrey

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 80

Delby C HumphreyRobert D Humphrey (2 patents)Delby C HumphreyBenjamin R Wimer (1 patent)Delby C HumphreyDelby C Humphrey (3 patents)Robert D HumphreyRobert D Humphrey (3 patents)Benjamin R WimerBenjamin R Wimer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schutt Manufacturing Company, Inc. (2 from 12 patents)

2. Other (1 from 832,718 patents)


3 patents:

1. 4205676 - Air pumping for medical uses

2. D249397 - Face guard for mounting on an athletic helmet

3. 4086664 - Football face guard

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as of
12/15/2025
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