% Expired Patents = 83.3

EPO Patents = 3

Trademarks = 5

Forward Citations = 148

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14 inventors (with patents filed for the assignee):

Terry Zerger (4 out of 5 patents)

Michael J Kurth (4 out of 18 patents)

Paul W Eserkaln (4 out of 4 patents)

4. Michael D Steinhardt (3 out of 14 patents)

5. Marc A Anderson (1 out of 33 patents)

6. Gary L Hatch (1 out of 10 patents)

7. Don Michael Kearby (1 out of 6 patents)

8. John Cary Sofyanos (1 out of 1 patent)

9. Jimmie Howard Wickham (1 out of 1 patent)

10. Kumud Jacob Lugun (1 out of 1 patent)

11. Gautam Gulati (1 out of 1 patent)

12. Anurag Somit (1 out of 1 patent)

13. Thomas E Gaffney (1 out of 18 patents)

14. Kurt R Kaiser (1 out of 1 patent)

15. Terry P Zerger (0 patent)

6 patents: Sort by Forward Citations

1. 7922033 - Universal lid for underground access boxes (2011-04-12),

2. 7695619 - Modular drinking water filtration system with adapter rings for replaceable cartridges to assure proper fit (2010-04-13),

3. 7662283 - Modular drinking water filtration system with locking arrangement to assure filter cartridge compatibility (2010-02-16),

4. 7540957 - Modular drinking water filtration system with bottom load cartridges with grip-enhanced end rings and color coding (2009-06-02),

5. 7540956 - Modular drinking water filtration system with removable and replaceable RO spindle (2009-06-02),

6. 7540955 - Photocatalytic water treatment apparatus (2009-06-02),

Company Overview

Pentair Filtration, Inc. is a leading provider of water filtration solutions for residential, commercial, and industrial applications. With a focus on innovation and sustainability, Pentair offers a wide range of water treatment products including filters, purification systems, and membrane technologies. With a global presence and a commitment to quality, Pentair is dedicated to providing clean, safe water for all.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#12 in Golden Valley, MN

#1,238 in Minnesota

#44,949 in US

Golden Valley, MN, United States of America

Pentair Filtration, Inc.

Forward Citations = 148

14 inventors:

Terry Zerger (4 out of 5 patents)

Michael J Kurth (4 out of 18 patents)

Paul W Eserkaln (4 out of 4 patents)

4. Michael D Steinhardt (3 out of 14 patents)

5. Marc A Anderson (1 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pentair Filtration, Inc.. Retrieved from https://idiyas.com/company/pentair-filtration

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]

3 patents (EPO):

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]