For the Inventor, By the Inventor

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Birmingham, AL, United States of America

United States Pipe and Foundry Company, LLC

USPTO Granted Patents = 55

EPO Patents = 3

Trademarks = 29

Forward Citations = 820

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40 inventors (with patents filed for the assignee):

Kenneth J Watts (12 out of 14 patents)

Daniel A Copeland (10 out of 49 patents)

Lawrence S Jones (9 out of 9 patents)

4. Jay Derek Caston (7 out of 8 patents)

5. William H Owen (6 out of 15 patents)

6. William W Holmes, Iv (5 out of 16 patents)

7. Andrew B Malizio (4 out of 4 patents)

8. Billy J Battle (4 out of 4 patents)

9. Terry M Wood (3 out of 3 patents)

10. Stephanie R Holtz (3 out of 3 patents)

11. A Michael Horton (3 out of 4 patents)

12. Joe Weber (3 out of 3 patents)

13. Robert M Graham (3 out of 4 patents)

14. George F Rhodes (3 out of 3 patents)

15. Jerry Gregory Key (3 out of 4 patents)

Core Competencies:

Pipe Joints

Centrifugal Casting

Conductive Inserts

Protective Coatings

Non-Destructive Testing

Corrosion Protection

Mechanical Joints

Earthquake Resistant Designs

Gasket Technology

Dimensional Uniformity

Sensor Technology

Pipe Couplings

55 patents: Sort by Forward Citations

1. 12259069 - Compound locking ring for pipe joints (2025-03-25),

2. 11940069 - Conductive insert for gasket (2024-03-26),

3. 11607723 - Method and apparatus for estimating dimensional uniformity of cast object (2023-03-21),

4. 11491536 - Method and apparatus for estimating dimensional uniformity of cast object (2022-11-08),

5. 11491535 - Method and apparatus for estimating dimensional uniformity of cast object (2022-11-08),

6. 11346811 - Method and apparatus for identifying discontinuity in wall of ferrous object (2022-05-31),

7. 11306849 - Separation-resistant pipe joint with enhanced ease of assembly (2022-04-19),

8. 11054070 - Conductive insert for gasket (2021-07-06),

9. 10550973 - Separation-resistant pipe joint (2020-02-04),

10. 8960263 - Centrifugal casting method and apparatus (2015-02-24),

11. 8910699 - Centrifugal casting method and apparatus (2014-12-16),

12. 8733424 - Centrifugal casting method and apparatus (2014-05-27),

13. 8697251 - Protective coating for metal surfaces (2014-04-15),

14. 8600702 - Non-destructive thickness measurement systems and methods (2013-12-03),

15. 8293378 - Anti-corrosive coating for metal surfaces (2012-10-23),

United States Pipe and Foundry Company, LLC is a leading manufacturer of ductile iron pipe and fittings used in water distribution systems. With over 100 years of experience, the company is committed to providing reliable and durable solutions for the transportation of water and wastewater. Their products are known for their high-quality materials, industry-leading coatings, and strict quality control standards. United States Pipe and Foundry Company, LLC is dedicated to innovation, sustainability, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

55 Patents

#5 in Birmingham, AL

#22 in Alabama

#6,230 in US

#12,536 in the World

Birmingham, AL, United States of America

United States Pipe and Foundry Company, LLC

Forward Citations = 820

40 inventors:

Kenneth J Watts (12 out of 14 patents)

Daniel A Copeland (10 out of 49 patents)

Lawrence S Jones (9 out of 9 patents)

4. Jay Derek Caston (7 out of 8 patents)

5. William H Owen (6 out of 15 patents)

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