Growing community of inventors

Galena Park, TX, United States of America

David L Gressett

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 = 51

David L Gressett ↔ John A Ewen (1 patent)David L Gressett ↔ Alan H Bitzer (1 patent)David L Gressett ↔ Herbert G Hummel (1 patent)David L GressettDavid L Gressett (1 patent)John A EwenJohn A Ewen (54 patents)Alan H BitzerAlan H Bitzer (3 patents)Herbert G HummelHerbert G Hummel (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fina Technology, Inc. (1 from 688 patents)


1 patent:

1. 5122583 - Efficiency of a pre-polymerized catalyst

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as of
12/15/2025
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