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For the Inventor, By the Inventor

Houston, TX, United States of America

Seaboard Wellhead, Inc.


USPTO Granted Patents = 2

Forward Citations = 43

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1 inventor (with patents filed for the assignee):

goldMedal Reggie H Etheridge (2 out of 5 patents)


2 patents:

1. 4787642 - X-shaped high pressure sealing structure (1988-11-29),
2. 4662603 - Piloted wellhead flow control valve (1987-05-05),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1,507 in Houston, TX

#6,135 in Texas

#92,654 in US

...
Houston, TX, United States of America

Seaboard Wellhead, Inc.

Forward Citations = 43

1 inventor:

goldMedal Reggie H Etheridge (2 out of 5 patents)

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