For the Inventor, By the Inventor

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Louisville, KY, United States of America

Zoeller Pump Company, LLC

USPTO Granted Patents = 18

Trademarks = 45

Forward Citations = 61

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33 inventors (with patents filed for the assignee):

Charles P Carroll (7 out of 7 patents)

William L Schmidt (5 out of 9 patents)

David R Gilbert (5 out of 5 patents)

4. Andrew Ulliman (4 out of 4 patents)

5. Bryan S Schilling (4 out of 4 patents)

6. Jason Nett (4 out of 4 patents)

7. Jerry Banta (3 out of 3 patents)

8. James Christopher Erhart (3 out of 3 patents)

9. Jeremy Conder (2 out of 2 patents)

10. Chris Knaster (2 out of 2 patents)

11. John McFarland (2 out of 7 patents)

12. Daniel C Masterson (2 out of 2 patents)

13. Matthew E Byers (2 out of 8 patents)

14. Jason Pyle (2 out of 2 patents)

15. Tanner Gibson (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 12448974 - Capacitive fluid detection system for a pump (2025-10-21),

2. 12430999 - Wastewater pumping system accessory (2025-09-30),

3. 12168863 - Waste collection and disposal system for toilets (2024-12-17),

4. 11905695 - Waste collection and disposal system for toilets (2024-02-20),

5. 11761192 - Wastewater basin (2023-09-19),

6. 11661733 - Spring-loaded float tree and float tree assembly (2023-05-30),

7. 11441578 - Water-powered sump pump (2022-09-13),

8. 11365738 - Reversing grinder pump (2022-06-21),

9. 11271377 - Cord minder clip (2022-03-08),

10. 10907340 - Wastewater basin (2021-02-02),

11. 9352327 - Grinder pump basin system (2016-05-31),

12. 9228575 - Sealed and self-contained tankless water heater flushing system (2016-01-05),

13. D740329 - Direct current sump pump (2015-10-06),

14. 9004381 - Grinder pump basin system (2015-04-14),

15. 8795600 - UV disinfection system (2014-08-05),

Zoeller Pump Company is a leading manufacturer of high-quality pumps and systems for residential, commercial, and industrial applications. With over 80 years of experience, we are dedicated to providing reliable and innovative pumping solutions. Our products include sump pumps, sewage pumps, dewatering pumps, grinder pumps, and more. Visit our website to explore our extensive product range and find the right pump for your needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#30 in Louisville, KY

#69 in Kentucky

#17,390 in US

#33,165 in the World

Louisville, KY, United States of America

Zoeller Pump Company, LLC

Forward Citations = 61

33 inventors:

Charles P Carroll (7 out of 7 patents)

William L Schmidt (5 out of 9 patents)

David R Gilbert (5 out of 5 patents)

4. Andrew Ulliman (4 out of 4 patents)

5. Bryan S Schilling (4 out of 4 patents)

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