For the Inventor, By the Inventor

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Eastlake, OH, United States of America

Enpress LLC

USPTO Granted Patents = 17

CIPO Patents = 1

EPO Patents = 1

Trademarks = 7

Forward Citations = 138

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8 inventors (with patents filed for the assignee):

Douglas M Horner (14 out of 26 patents)

Douglas S Stolarik (11 out of 14 patents)

Michael P Mormino (11 out of 14 patents)

4. Robert John Pristas (4 out of 5 patents)

5. Richard A Mest (4 out of 4 patents)

6. Thomas G Carter (3 out of 10 patents)

7. James R Cooney (1 out of 1 patent)

8. Justin Fink (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 12203663 - Composite diaphragm expansion vessels (2025-01-21),

2. 11821545 - Convertible head for deionization vessels (2023-11-21),

3. 11428367 - Biaxially oriented blow-molded pressure vessels (2022-08-30),

4. 11426686 - Fluid filter with under-cap metered fluid shut off assembly (2022-08-30),

5. 10183245 - Water filtration system and water filtration system housing with closing assembly (2019-01-22),

6. 9815010 - Water filtration system and water filtration system housing with closing assembly (2017-11-14),

7. 9180391 - Water filtration system and water filtration system housing with closing assembly (2015-11-10),

8. 8486264 - Housing for reverse osmosis filter cartridge and method of forming same (2013-07-16),

9. 8382994 - Method of preparing a composite pressure vessel for use as a water treatment apparatus (2013-02-26),

10. 8377298 - Housing for reverse osmosis filter cartridge and method of forming same (2013-02-19),

11. 8110103 - Flow-control supports for distributor plates in composite pressure vessel assemblies (2012-02-07),

12. 7963400 - Distributor plate for a composite pressure vessel (2011-06-21),

13. 7901576 - Composite water treatment vessel including liquid distributor plates (2011-03-08),

14. 7810670 - Composite pressure vessel assembly (2010-10-12),

15. D591823 - Distributor plate for a pressure vessel (2009-05-05),

Enpress LLC, based in Eastlake, Ohio, specializes in the development and manufacturing of innovative products primarily for the water treatment and filtration industries. The company focuses on creating advanced solutions that enhance water quality and efficiency, catering to both residential and commercial markets. With a commitment to research and development, Enpress is dedicated to improving water management technologies and providing sustainable options for its customers.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#5 in Eastlake, OH

#806 in Ohio

#18,881 in US

#35,887 in the World

Eastlake, OH, United States of America

Enpress LLC

Forward Citations = 138

8 inventors:

Douglas M Horner (14 out of 26 patents)

Douglas S Stolarik (11 out of 14 patents)

Michael P Mormino (11 out of 14 patents)

4. Robert John Pristas (4 out of 5 patents)

5. Richard A Mest (4 out of 4 patents)

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