Growing community of inventors

Glastonbury, CT, United States of America

David J Callahan

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 = 15

David J Callahan ↔ James B Kelly (1 patent)David J Callahan ↔ Robert S Mazzawy (1 patent)David J Callahan ↔ Howard Y Stryker (1 patent)David J CallahanDavid J Callahan (1 patent)James B KellyJames B Kelly (12 patents)Robert S MazzawyRobert S Mazzawy (3 patents)Howard Y StrykerHoward Y Stryker (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United Technologies Corporation (1 from 10,654 patents)


1 patent:

1. 4550564 - Engine surge prevention system

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12/21/2025
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