Growing community of inventors

Houston, TX, United States of America

William Paul Coffman

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 = 13

William Paul CoffmanCharles Leland Patrick (1 patent)William Paul CoffmanWilliam Paul Coffman (1 patent)Charles Leland PatrickCharles Leland Patrick (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Expro Americas, LLC (1 from 14 patents)


1 patent:

1. 8413677 - System for accelerating relief valve opening

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