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For the Inventor, By the Inventor

Houston, TX, United States of America

Johnson Screens, Inc.


USPTO Granted Patents = 14



Trademarks = 15

Forward Citations = 70

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37 inventors (with patents filed for the assignee):

goldMedal Michael Richard Ekholm (6 out of 34 patents)

silverMedal Morris G Haney (4 out of 5 patents)

bronzeMedal Roy L Thein (4 out of 5 patents)

4.  Mark Watson (2 out of 267 patents)

5.  Ehrich Shaw (2 out of 2 patents)

6.  Richard Charles Maxson (1 out of 16 patents)

7.  Garth Hayes Saul (1 out of 13 patents)

8.  Timothy Charles Wolf (1 out of 4 patents)

9.  Thomas L Hennemann (1 out of 12 patents)

10.  Steven Dehn (1 out of 3 patents)

11.  Charles Flansburg (1 out of 6 patents)

12.  Frederick Granet (1 out of 1 patent)

13.  Fabrice Courageot (1 out of 1 patent)

14.  John Schwert (1 out of 1 patent)

15.  Thom M Hanna (1 out of 1 patent)


14 patents:

1. 12491455 - Advanced passive wedge wire screen intake (2025-12-09),
2. 12486928 - Anti-rotational pipe coupling (2025-12-02),
3. 12138592 - Air burst system for cleaning submerged screen intake (2024-11-12),
4. 11873612 - Screen intake flow control and support device (2024-01-16),
5. 11872571 - Batch centrifuge filter screen (2024-01-16),
6. 8491787 - Leveling hold-down mechanism for lateral screens (2013-07-23),
7. 8439071 - Screen basket vortex breaker for vessel (2013-05-14),
8. 8297448 - Screen intake device for shallow water (2012-10-30),
9. 8028691 - Passive solar wire screens for buildings (2011-10-04),
10. 8020899 - PVC pipe coupling (2011-09-20),
11. 7470383 - Submersible pump drop pipe and casing assembly connection and method of manufacture (2008-12-30),
12. 7425024 - Submersible pump drop pipe and casing assembly connection and method of manufacture (2008-09-16),
13. 7261326 - Submersible pump drop pipe and casing assembly connection and method of manufacture (2007-08-28),
14. 7249789 - Water well casing (2007-07-31),
Johnson Screens, Inc. is a leading manufacturer of high-quality water well screens, oil well screens, and industrial filtration products. With over 100 years of experience, they provide innovative solutions for water treatment, oil and gas exploration, and industrial processes. Their products are known for their durability, efficiency, and reliability, making them a trusted choice for customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#359 in Houston, TX

#1,345 in Texas

#21,598 in US

#40,882 in the World

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Houston, TX, United States of America

Johnson Screens, Inc.

Forward Citations = 70

37 inventors:

goldMedal Michael Richard Ekholm (6 out of 34 patents)

silverMedal Morris G Haney (4 out of 5 patents)

bronzeMedal Roy L Thein (4 out of 5 patents)

4.  Mark Watson (2 out of 267 patents)

5.  Ehrich Shaw (2 out of 2 patents)

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