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Allison Park, PA, United States of America

William D Edgar

Average Co-Inventor Count = 2.00

ph-index = 2

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

William D EdgarGeorge R Cain (2 patents)William D EdgarWard F Gidick (2 patents)William D EdgarJohn D Sustarsic (1 patent)William D EdgarAllan F Adamsky (1 patent)William D EdgarWilliam D Edgar (4 patents)George R CainGeorge R Cain (7 patents)Ward F GidickWard F Gidick (5 patents)John D SustarsicJohn D Sustarsic (4 patents)Allan F AdamskyAllan F Adamsky (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koppers Company, Inc. (4 from 297 patents)


4 patents:

1. 4239600 - Tall coke oven sole flue

2. 4147594 - One-spot cylindrical coke quenching car and quenching method

3. 4135986 - One-spot rotary coke quenching car

4. 4004985 - System for quenching hot coke

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as of
12/17/2025
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