For the Inventor, By the Inventor

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Byron Center, MI, United States of America

Flow-Rite Controls, Ltd.

USPTO Granted Patents = 51

% Expired Patents = 13.7

CIPO Patents = 6

EPO Patents = 9

Trademarks = 10

Forward Citations = 640

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16 inventors (with patents filed for the assignee):

Daniel N Campau (42 out of 58 patents)

Mark W Herrema (7 out of 10 patents)

Scott T Kloote (3 out of 5 patents)

4. Jason L Fox (3 out of 3 patents)

5. Dennis James Anderson (3 out of 3 patents)

6. Matthew T Shinew (2 out of 5 patents)

7. Ron D Earl (2 out of 2 patents)

8. Harrie William Bonnah, Ii (2 out of 11 patents)

9. Myles A Brown (1 out of 1 patent)

10. David Adrian Moelker (1 out of 9 patents)

11. Luke J Paul (1 out of 1 patent)

12. Ronald D Earl (1 out of 1 patent)

13. Patrick Mavrakis (1 out of 1 patent)

14. Roger C Miller (1 out of 1 patent)

15. Daniel N Campus (1 out of 1 patent)

Core Competencies:

Watercraft Drain Plug

Battery Electrolyte Monitoring

Hydroponic Nutrient Flow Control

Fluid Handling Connector

Liquid Level Sensor

Intelligent Battery Monitoring

Single Point Watering System

Locking Fasteners

Liquid Dispensing Apparatus

Flow Control Valve

Livewell Aerator

Tire Inflation Regulator

51 patents: Sort by Forward Citations

1. 12727557 - Nutrient film device and nutrient film technique hydroponic system (2026-09-08),

2. 11390359 - Watercraft drain plug system (2022-07-19),

3. 10811735 - Battery electrolyte level monitor, system, and method (2020-10-20),

4. 10588276 - Hydroponic nutrient aeration and flow control device and system (2020-03-17),

5. 10473246 - Connector for a fluid handling system (2019-11-12),

6. 10381693 - Liquid level sensor for battery monitoring systems (2019-08-13),

7. 10326171 - Intelligent monitoring systems for liquid electrolyte batteries (2019-06-18),

8. 10008751 - System and method for powering a device used in conjunction with a wet cell battery (2018-06-26),

9. 9964137 - Through-hull fitting (2018-05-08),

10. 9777760 - Locknut with locking coil and coil support (2017-10-03),

11. 9461377 - Battery tap electrical connector (2016-10-04),

12. 8802258 - Low profile manifold for single point watering system for lead-acid batteries (2014-08-12),

13. 8734072 - Locking threaded fastener (2014-05-27),

14. 8679663 - Push-in turn-out vent cap for lead-acid battery (2014-03-25),

15. 8439616 - Locking threaded fastener (2013-05-14),

Flow-Rite Controls, Ltd. is a leading global manufacturer of fluid control solutions. With over 35 years of experience in the industry, we specialize in designing and manufacturing high-quality, reliable flow control products. Our innovative solutions are used in various sectors including marine, recreational vehicles, battery, and industrial applications. We offer a wide range of products such as battery watering systems, marine valves, gate valves, check valves, and more. At Flow-Rite, we are committed to providing superior customer satisfaction through excellent products and exceptional service.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

51 Patents

#1 in Byron Center, MI

#270 in Michigan

#6,871 in US

#13,736 in the World

Byron Center, MI, United States of America

Flow-Rite Controls, Ltd.

Forward Citations = 640

16 inventors:

Daniel N Campau (42 out of 58 patents)

Mark W Herrema (7 out of 10 patents)

Scott T Kloote (3 out of 5 patents)

4. Jason L Fox (3 out of 3 patents)

5. Dennis James Anderson (3 out of 3 patents)

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