Growing community of inventors

Houston, TX, United States of America

Edward C Sumner, Iv

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 = 17

Edward C Sumner, Iv ↔ James A Salter (1 patent)Edward C Sumner, Iv ↔ James P Frederick (1 patent)Edward C Sumner, IvEdward C Sumner, Iv (1 patent)James A SalterJames A Salter (14 patents)James P FrederickJames P Frederick (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zeigler Coal Holding Company (1 from 2 patents)


1 patent:

1. 5242470 - Pelletizing coal or coke with starch particles

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12/31/2025
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