For the Inventor, By the Inventor

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Decatur, IL, United States of America

Mueller Co.

USPTO Granted Patents = 60

Trademarks = 26

Forward Citations = 999

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32 inventors (with patents filed for the assignee):

Joseph L Daghe (23 out of 23 patents)

Robert E Sands (19 out of 19 patents)

Carl E Floren (10 out of 10 patents)

4. Gary L Bouc (10 out of 10 patents)

5. Timothy M Logman (9 out of 10 patents)

6. Dennis W Humes (7 out of 7 patents)

7. Lawrence F Luckenbill (5 out of 9 patents)

8. Daniel A Ellis (5 out of 5 patents)

9. William L Hauffe (4 out of 4 patents)

10. Al Seitz (3 out of 3 patents)

11. M Dale Stanley (3 out of 3 patents)

12. John R Rice (3 out of 3 patents)

13. Mervin D Stanley (3 out of 3 patents)

14. Donald F Mack, Jr (2 out of 4 patents)

15. Garrett D Terrill (2 out of 2 patents)

Core Competencies:

Ball Valve

Fire Hydrant

Backflow Preventer

Plug Valve

Gate Valve

Tamperproof

Corrosion Resistance

Leak Resistant

Service Clamp

Pipeline

Wrench

Coupling

60 patents: Sort by Forward Citations

1. 6467500 - Ball valve locking device (2002-10-22),

2. 5470046 - Gate valve structure (1995-11-28),

3. 5447340 - Electrically insulated piped coupling employing a radial insulating (1995-09-05),

4. 5435179 - Three piece handwheel having expansion mechanism for meter box or meter (1995-07-25),

5. D359103 - Valve (1995-06-06),

6. D359102 - Valve (1995-06-06),

7. 5373889 - Method of making a three-way fire hydrant (1994-12-20),

8. 5311900 - Leak resistant plug valve (1994-05-17),

9. 5287880 - Three-way fire hydrant (1994-02-22),

10. 5121772 - Wet barrel fire hydrant with improved flow capability (1992-06-16),

11. 5082246 - Gas ball valve (1992-01-21),

12. 5020934 - Corrosion resistance for fire hydrant stem safety coupling (1991-06-04),

13. 4984362 - Method for forming a ball valve connection (1991-01-15),

14. 4964614 - Method for forming a ball valve connection and structure (1990-10-23),

15. 4964613 - Gate valve (1990-10-23),

Company Overview

Mueller Co., headquartered in Decatur, Illinois, specializes in valve technology, focusing on the development and manufacturing of a wide range of products including ball valves, fire hydrants, backflow preventers, plug valves, and gate valves. The company is recognized for its commitment to innovation in tamperproof designs, corrosion resistance, and leak-resistant solutions, serving various industries that require reliable and durable valve systems. Mueller Co. plays a significant role in enhancing water infrastructure and safety across the United States.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

60 Patents

#3 in Decatur, IL

#335 in Illinois

#5,992 in US

#12,083 in the World

Decatur, IL, United States of America

Mueller Co.

Forward Citations = 999

32 inventors:

Joseph L Daghe (23 out of 23 patents)

Robert E Sands (19 out of 19 patents)

Carl E Floren (10 out of 10 patents)

4. Gary L Bouc (10 out of 10 patents)

5. Timothy M Logman (9 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mueller Co.. Retrieved from https://idiyas.com/company/mueller-company

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]

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