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For the Inventor, By the Inventor

Houston, TX, United States of America

Pf Waterworks LP


USPTO Granted Patents = 21


Trademarks = 49

Forward Citations = 107

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6 inventors (with patents filed for the assignee):

goldMedal Sanjay Ahuja (20 out of 21 patents)

silverMedal Harold Kent Beck (18 out of 56 patents)

bronzeMedal Stephen Samuel Hodgson (2 out of 3 patents)

4.  Kent F Beck (1 out of 77 patents)

5.  Rainer Kuenzel (1 out of 24 patents)

6.  Jeffery D Baird (1 out of 16 patents)


21 patents:

1. 12188215 - Bathtub drain stopper (2025-01-07),
2. 12012735 - Bathtub overflow assembly (2024-06-18),
3. 11788266 - Sink drain pipe with and without overflow ports (2023-10-17),
4. 11702829 - Kits for reducing inventory of sink drain assemblies (2023-07-18),
5. 11680397 - Kitchen sink drain stopper and strainer (2023-06-20),
6. 11519161 - Drain stopper and strainer (2022-12-06),
7. 11517155 - Drain flange cover and strainer (2022-12-06),
8. D940836 - Drain strainer (2022-01-11),
9. 11193261 - Sink drain pipe with and without overflow ports (2021-12-07),
10. 11162251 - Bathtub drain stopper (2021-11-02),
11. 11019965 - Bathtub drain flange assembly (2021-06-01),
12. 10808386 - Sink drain pipe with and without overflow ports (2020-10-20),
13. 10683648 - Drain cleaning apparatus (2020-06-16),
14. 10494800 - Pop-up drain assembly, connector device and drain stopper (2019-12-03),
15. 10301803 - Push-type drain stopper for pop-up drain (2019-05-28),
PF Waterworks LP is a leading manufacturer and distributor of high-quality plumbing solutions. With a focus on innovation and sustainability, we provide a wide range of products including faucets, drains, valves, and more. Our mission is to deliver superior performance and value to our customers while promoting water conservation and efficiency. Visit our website to learn more about our products and solutions.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#249 in Houston, TX

#923 in Texas

#15,668 in US

#29,893 in the World

Houston, TX (US)
Houston, TX, United States of America

Pf Waterworks LP

Forward Citations = 107

6 inventors:

goldMedal Sanjay Ahuja (20 out of 21 patents)

silverMedal Harold Kent Beck (18 out of 56 patents)

bronzeMedal Stephen Samuel Hodgson (2 out of 3 patents)

4.  Kent F Beck (1 out of 77 patents)

5.  Rainer Kuenzel (1 out of 24 patents)

Please report any incorrect information to [email protected]
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