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For the Inventor, By the Inventor

Newark, CA, United States of America

Goodfield Energy Corporation


USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

goldMedal Aldon R Reinhardt (3 out of 5 patents)

silverMedal John Paul Griffin (1 out of 19 patents)


3 patents:

1. 7721679 - Vapor generator with preheater and method of operating same (2010-05-25),
2. 7293532 - Heavy oil extraction system (2007-11-13),
3. 7228822 - Vapor generator using pre-heated injected water (2007-06-12),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#59 in Newark, CA

#16,838 in California

#73,766 in US

Newark, CA (US)
Newark, CA, United States of America

Goodfield Energy Corporation

Forward Citations = 2

2 inventors:

goldMedal Aldon R Reinhardt (3 out of 5 patents)

silverMedal John Paul Griffin (1 out of 19 patents)

Please report any incorrect information to [email protected]
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