Growing community of inventors

Houston, TX, United States of America

Duffer Crawford

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 = 9

Duffer Crawford ↔ David A Coyle (1 patent)Duffer Crawford ↔ Bharthwaj Anantharaman (1 patent)Duffer CrawfordDuffer Crawford (1 patent)David A CoyleDavid A Coyle (4 patents)Bharthwaj AnantharamanBharthwaj Anantharaman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kellogg Brown + Root LLC (1 from 239 patents)


1 patent:

1. 8522574 - Method for nitrogen rejection and or helium recovery in an LNG liquefaction plant

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1/2/2026
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