Growing community of inventors

South Bend, IN, United States of America

Hugh E Keyes

Average Co-Inventor Count = 3.00

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

Hugh E KeyesDonald A Crumb (1 patent)Hugh E KeyesRobert K Wilson (1 patent)Hugh E KeyesHugh E Keyes (1 patent)Donald A CrumbDonald A Crumb (22 patents)Robert K WilsonRobert K Wilson (15 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alliedsignal Inc. (1 from 3,002 patents)


1 patent:

1. 5279125 - Master cylinder with caging means to secure return spring limiting stud

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as of
1/15/2026
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