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Katy, TX, United States of America

William Douglas Gillespie

Average Co-Inventor Count = 1.71

ph-index = 3

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 = 16

William Douglas GillespieAlexei Grigorievich Gabrielov (4 patents)William Douglas GillespieJohn Anthony Smegal (2 patents)William Douglas GillespiePeter Wolohan (2 patents)William Douglas GillespieWilliam Douglas Gillespie (6 patents)Alexei Grigorievich GabrielovAlexei Grigorievich Gabrielov (27 patents)John Anthony SmegalJohn Anthony Smegal (26 patents)Peter WolohanPeter Wolohan (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (6 from 7,646 patents)

2. Shell Internationale Research Maatschappij, B.v. (154 patents)


6 patents:

1. 11027268 - Composition and a method of making and use of such composition

2. 9586199 - Composition having an active metal or precursor, an amine component and a non-amine containing polar additive useful in the catalytic hydroprocessing of hydrocarbons, a method of making such catalyst, and a process of using such catalyst

3. 9156029 - Composition having an active metal or precursor, an amine component and a non-amine containing polar additive useful in the catalytic hydroprocessing of hydrocarbons, a method of making such catalyst, and a process of using such catalyst

4. 9006126 - Additive impregnated composition useful in the catalytic hydroprocessing of hydrocarbons, a method of making such catalyst, and a process of using such catalyst

5. 8841228 - Composition and a method of making and use of such composition

6. 5232578 - Multibed hydrocracking process utilizing beds with disparate particle

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as of
12/19/2025
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