Growing community of inventors

Tulsa, OK, United States of America

David A Holdeman

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 = 8

David A HoldemanRobert L Reed (1 patent)David A HoldemanDavid A Holdeman (1 patent)Robert L ReedRobert L Reed (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Amoco Corporation (1 from 1,528 patents)


1 patent:

1. 4836999 - Method for controlling claus furnace with variable hydrocarbon feed

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as of
12/20/2025
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