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For the Inventor, By the Inventor

Byron Center, MI, United States of America

Flow-Rite Controls, Ltd.


USPTO Granted Patents = 51

% Expired Patents = 13.7



Trademarks = 10

Forward Citations = 640

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16 inventors (with patents filed for the assignee):

goldMedal Daniel N Campau (42 out of 58 patents)

silverMedal Mark W Herrema (7 out of 10 patents)

bronzeMedal 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:
Hydroponic System
Fluid Handling
Battery Monitoring
Liquid Flow Control
Nutrient Film
Drain Plug
Liquid Level Sensor
Aeration Device
Connector
Shut-off Valve
Fastener
Diverter Valve

51 patents:

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),
Company Overview
Flow-Rite Controls, Ltd. is a leading manufacturer based in Byron Center, MI, specializing in fluid handling systems. The company focuses on innovative solutions for hydroponic systems, liquid flow control, and battery monitoring technologies. Their product offerings include advanced aeration devices, nutrient film systems, and liquid level sensors, catering to diverse applications in agriculture and industrial sectors. With a commitment to quality and efficiency, Flow-Rite continues to enhance fluid management solutions for various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

51 Patents

#1 in Byron Center, MI

#271 in Michigan

#6,879 in US

#13,766 in the World

Byron Center, MI (US)
Byron Center, MI, United States of America

Flow-Rite Controls, Ltd.

Forward Citations = 640

16 inventors:

goldMedal Daniel N Campau (42 out of 58 patents)

silverMedal Mark W Herrema (7 out of 10 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Flow-Rite Controls, Ltd.. Retrieved from https://idiyas.com/company/flow-rite-controls

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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