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For the Inventor, By the Inventor

Bergen, NY, United States of America

Liberty Pumps, Inc.


USPTO Granted Patents = 31



Trademarks = 13

Forward Citations = 244

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16 inventors (with patents filed for the assignee):

goldMedal Donald M Pohler (19 out of 19 patents)

silverMedal David M Williams (8 out of 17 patents)

bronzeMedal Timothy D McCrossen (6 out of 7 patents)

4.  Randall D Waldron (5 out of 5 patents)

5.  Clement A Pin, Iii (4 out of 4 patents)

6.  Matthew S Heinsler (4 out of 4 patents)

7.  Caleb Peterson (2 out of 2 patents)

8.  Charles E Cook (2 out of 19 patents)

9.  John Biegas (1 out of 1 patent)

10.  Brad Sawyer (1 out of 1 patent)

11.  Tim Haats (1 out of 4 patents)

12.  Jason A Pennell (1 out of 3 patents)

13.  Timothy Haats (1 out of 1 patent)

14.  Jeffrey D Goodenbery (1 out of 1 patent)

15.  Damon M Flick (1 out of 1 patent)


31 patents:

1. 12331758 - Grinder pump and cutting assemblies thereof (2025-06-17),
2. 12326153 - Self cleaning cutter, cutting assembly, and pump (2025-06-10),
3. D1029883 - Drain pump (2024-06-04),
4. 11897795 - Liquid processing apparatus (2024-02-13),
5. 11629728 - Shaft seals and liquid pump comprising same (2023-04-18),
6. 11384757 - Modular pump and pumping system including same (2022-07-12),
7. 11339804 - Self-cleaning pump (2022-05-24),
8. 10364821 - Grinder pump and cutting assembly thereof (2019-07-30),
9. 10267312 - Liquid pump (2019-04-23),
10. 10233940 - Shaft seals and liquid pump comprising same (2019-03-19),
11. 10162369 - Liquid level control module and apparatus comprising same (2018-12-25),
12. 10082268 - Display panel (2018-09-25),
13. D800791 - Liquid pump (2017-10-24),
14. D798910 - Float switch housing (2017-10-03),
15. D794579 - Display panel (2017-08-15),
Liberty Pumps, Inc. is a leading manufacturer of pumping products, specializing in sump, sewage, effluent, and utility pumps. With over 50 years of experience, Liberty Pumps is known for providing reliable and efficient solutions for residential and commercial applications. Their high-quality pumps are designed to handle demanding conditions and offer long-lasting performance. Visit their website to explore their wide range of products and find the perfect pump for your needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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31 Patents

#1 in Bergen, NY

#594 in New York

#10,562 in US

#20,639 in the World

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Bergen, NY, United States of America

Liberty Pumps, Inc.

Forward Citations = 244

16 inventors:

goldMedal Donald M Pohler (19 out of 19 patents)

silverMedal David M Williams (8 out of 17 patents)

bronzeMedal Timothy D McCrossen (6 out of 7 patents)

4.  Randall D Waldron (5 out of 5 patents)

5.  Clement A Pin, Iii (4 out of 4 patents)

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