Growing community of inventors

Calgary, Canada

Donald MacDonald

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

Donald MacDonaldRobert A Jackson (1 patent)Donald MacDonaldDonald MacDonald (1 patent)Robert A JacksonRobert A Jackson (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sanjel Corporation (1 from 5 patents)


1 patent:

1. 8061427 - Well product recovery process

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1/5/2026
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