For the Inventor, By the Inventor

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Bowling Green, OH, United States of America

Henry Filters, Inc.

USPTO Granted Patents = 37

Trademarks = 2

Forward Citations = 515

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21 inventors (with patents filed for the assignee):

Stephen N McEwen (23 out of 27 patents)

Scott M McEwen (10 out of 11 patents)

John L Creps (8 out of 9 patents)

4. Richard A Hallett (6 out of 9 patents)

5. Robert F Benschoter (6 out of 7 patents)

6. Eugene H Harms (5 out of 5 patents)

7. Barry R Benschoter (4 out of 5 patents)

8. Michael R Bailey (4 out of 4 patents)

9. Anthony J Palumbo (3 out of 9 patents)

10. Jay M Creps (3 out of 4 patents)

11. Robert L Stevens (2 out of 10 patents)

12. Ted W Guelde (2 out of 2 patents)

13. Michael C Harms (1 out of 1 patent)

14. Matthew O Kelley (1 out of 1 patent)

15. Mark A Smith (1 out of 1 patent)

37 patents: Sort by Forward Citations

1. 6629814 - Low profile pump (2003-10-07),

2. 6125883 - Floor mounted double containment low profile sump pump assembly (2000-10-03),

3. 6050788 - Pump with improved seal for filtration systems (2000-04-18),

4. 6017446 - Floor mounted filtration system (2000-01-25),

5. 5985145 - Shaft mounted gear box (1999-11-16),

6. 5961847 - Filter apparatus with dual drive loops (1999-10-05),

7. 5961828 - Compact drive system utilizing gear box with worm and cycloidal gears (1999-10-05),

8. 5705747 - Methods and system for scaleable liquid display and control (1998-01-06),

9. 5662812 - Trough system for machine tool coolant collection flumes (1997-09-02),

10. 5655849 - Couplings for joining shafts (1997-08-12),

11. 5637213 - Immersible filter drum unit and method for assembling thereof (1997-06-10),

12. 5582740 - Machine tool coolant filtering system for segregating different (1996-12-10),

13. 5503520 - Pump for filtration systems (1996-04-02),

14. 5417849 - Machine tool coolant filtering system (1995-05-23),

15. 5389256 - Filter apparatus for machine tool coolant (1995-02-14),

Henry Filters, Inc. is a leading provider of industrial filtration solutions. With over 50 years of experience, we design and manufacture high-quality air and liquid filtration products for various industries, including automotive, chemical, pharmaceutical, and more. Our innovative filter systems help improve air quality, protect equipment, and enhance overall operational efficiency. Visit our website to explore our extensive range of filtration solutions and learn how we can meet your specific requirements.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

37 Patents

#2 in Bowling Green, OH

#369 in Ohio

#8,939 in US

#17,697 in the World

Bowling Green, OH, United States of America

Henry Filters, Inc.

Forward Citations = 515

21 inventors:

Stephen N McEwen (23 out of 27 patents)

Scott M McEwen (10 out of 11 patents)

John L Creps (8 out of 9 patents)

4. Richard A Hallett (6 out of 9 patents)

5. Robert F Benschoter (6 out of 7 patents)

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