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For the Inventor, By the Inventor

Houston, TX, United States of America

Stren Company


USPTO Granted Patents = 3

Forward Citations = 26

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2 inventors (with patents filed for the assignee):

goldMedal Kenneth J Schmitt (3 out of 14 patents)

silverMedal Guy E Wilson (1 out of 1 patent)


3 patents:

1. 5494109 - Backflush filter system for downhole pumps (1996-02-27),
2. 5413721 - Backflush filter system for downhole pumps (1995-05-09),
3. 4969518 - Reciprocating rod type downhole pump (1990-11-13),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#1,195 in Houston, TX

#4,692 in Texas

#72,066 in US

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Houston, TX, United States of America

Stren Company

Forward Citations = 26

2 inventors:

goldMedal Kenneth J Schmitt (3 out of 14 patents)

silverMedal Guy E Wilson (1 out of 1 patent)

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