Growing community of inventors

New Riegel, OH, United States of America

Daniel Spero

Average Co-Inventor Count = 2.00

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 = 1

Daniel Spero ↔ James T Sheridan (1 patent)Daniel SperoDaniel Spero (1 patent)James T SheridanJames T Sheridan (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Marathon Ashland Petroleum Co. LLC (1 from 5 patents)


1 patent:

1. 7266994 - Measuring particulate in liquid storage tanks

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1/11/2026
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