Growing community of inventors

Peoria, IL, United States of America

Donald D Hoagland

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 = 3

Donald D Hoagland ↔ Wayne D Jacobson (1 patent)Donald D Hoagland ↔ Virgil H Newman (1 patent)Donald D Hoagland ↔ Frank W Tidaback (1 patent)Donald D HoaglandDonald D Hoagland (1 patent)Wayne D JacobsonWayne D Jacobson (4 patents)Virgil H NewmanVirgil H Newman (1 patent)Frank W TidabackFrank W Tidaback (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Tractor Co. (1 from 1,981 patents)


1 patent:

1. 4304125 - Method and apparatus for measuring fuel flow

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as of
12/16/2025
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