Growing community of inventors

Glen Burnie, MD, United States of America

Charles N Waltrick, Deceased

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 = 17

Charles N Waltrick, Deceased ↔ Joseph A Gavin (1 patent)Charles N Waltrick, Deceased ↔ Ray F Schmitt (1 patent)Charles N Waltrick, Deceased ↔ Francis D Kempel (1 patent)Charles N Waltrick, DeceasedCharles N Waltrick, Deceased (1 patent)Joseph A GavinJoseph A Gavin (3 patents)Ray F SchmittRay F Schmitt (3 patents)Francis D KempelFrancis D Kempel (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. USA as Represented by Secretary of the Navy (1 from 16,087 patents)


1 patent:

1. 4649281 - Oil content monitor/control system

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1/7/2026
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