For the Inventor, By the Inventor

Enter assignee name

Rosemont, IL, United States of America

Culligan International Company

USPTO Granted Patents = 56

CIPO Patents = 44

EPO Patents = 13

Trademarks = 63

Forward Citations = 854

Loading Chart...

Loading Chart...

62 inventors (with patents filed for the assignee):

William W Norton (10 out of 20 patents)

Stanley F Rak (10 out of 10 patents)

Doug Anderson (9 out of 9 patents)

4. Kerry Quinn (9 out of 15 patents)

5. Adam Sloma (7 out of 7 patents)

6. Harkirat Sahni (6 out of 10 patents)

7. Eugene Boglio (5 out of 5 patents)

8. Lonnie Webb (5 out of 5 patents)

9. Bill Lathouris (5 out of 5 patents)

10. Kumudika Premathilake (4 out of 4 patents)

11. Ronald M Matyja (4 out of 4 patents)

12. Tedd Schneidewend (4 out of 4 patents)

13. Gene Wayman (3 out of 5 patents)

14. John VanNewenhizen (3 out of 3 patents)

15. Frank A Brigano (3 out of 3 patents)

Core Competencies:

Water Management

Water Treatment

Control Valve Assembly

Reverse Osmosis

Water Softening

Sensor Assembly

Grey Water Treatment

Microbial Filter

Deionization Processes

Fluid Treatment Apparatus

Brine Cycle Control

Drinking Water Solutions

56 patents: Sort by Forward Citations

1. 12385572 - Whole home water management system (2025-08-12),

2. 12338114 - Home water-based drink formulating system (2025-06-24),

3. 12061108 - Water softener salt monitoring system (2024-08-13),

4. D1004050 - Water treatment system housing (2023-11-07),

5. 11655903 - Control valve assembly for fluid treatment apparatus (2023-05-23),

6. 11365814 - Control valve for fluid treatment apparatus (2022-06-21),

7. 11022222 - Control valve for fluid treatment apparatus (2021-06-01),

8. 10767770 - Control valve assembly for fluid treatment apparatus (2020-09-08),

9. 10675573 - Remote control faucet filter system (2020-06-09),

10. 10612670 - Control valve for fluid treatment apparatus (2020-04-07),

11. 10550012 - Softener eductor with embedded check valve (2020-02-04),

12. 9616388 - Reverse osmosis system with an automated modulated bypass (2017-04-11),

13. 8758628 - Sensor assembly for controlling water softener tanks (2014-06-24),

14. 8356628 - Electronic bypass system for a fluid treatment system (2013-01-22),

15. 8302631 - Control valve for a fluid treatment system (2012-11-06),

Culligan International Company is a leading provider of water treatment solutions, offering a comprehensive range of products and services to improve the quality of water for residential, commercial, and industrial customers. With over 80 years of experience, Culligan is known for innovative water filtration and softening technologies that ensure clean and safe water for its customers. As a global brand, Culligan operates in more than 90 countries, serving millions of households and businesses worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

56 Patents

#5 in Rosemont, IL

#351 in Illinois

#6,132 in US

#12,337 in the World

Rosemont, IL, United States of America

Culligan International Company

Forward Citations = 854

62 inventors:

William W Norton (10 out of 20 patents)

Stanley F Rak (10 out of 10 patents)

Doug Anderson (9 out of 9 patents)

4. Kerry Quinn (9 out of 15 patents)

5. Adam Sloma (7 out of 7 patents)

Please report any incorrect information to support@idiyas.com

Loading…