For the Inventor, By the Inventor

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Birmingham, AL, United States of America

American Cast Iron Pipe Company

USPTO Granted Patents = 32

Trademarks = 34

Forward Citations = 456

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26 inventors (with patents filed for the assignee):

Randall C Conner (8 out of 8 patents)

Stephen L Deboalt (5 out of 5 patents)

William E Snow (5 out of 5 patents)

4. Van T Walworth (3 out of 3 patents)

5. Jerry Thomas Mann (3 out of 3 patents)

6. William T Adams, Jr (3 out of 3 patents)

7. Scott R Gaines (2 out of 2 patents)

8. Gene L Oliver (2 out of 2 patents)

9. Tom G Atkins (2 out of 2 patents)

10. Don E Gray (2 out of 2 patents)

11. George H Styles (2 out of 2 patents)

12. Howard H O'Daniel (2 out of 2 patents)

13. John R Washington (1 out of 1 patent)

14. Henry B Gibson (1 out of 1 patent)

15. Roland L Larkin (1 out of 1 patent)

32 patents: Sort by Forward Citations

1. 11118710 - Pipe joint with low insertion load, improved retention and increased high pressure sealing ability gasket and method of manufacture thereof (2021-09-14),

2. 10753523 - Pipe joint fitting with earthquake resistant functions (2020-08-25),

3. 10436367 - Pipe joint fitting with earthquake resistant functions (2019-10-08),

4. 10400924 - Pipe joint with low insertion load, improved retention and increased high pressure sealing ability gasket and method of manufacture thereof (2019-09-03),

5. 10352486 - Method of manufacturing a unitary gasket using two rubber materials of different hardness (2019-07-16),

6. 6490900 - Pipe gauging and rounding apparatus and method (2002-12-10),

7. 5993570 - Linepipe and structural steel produced by high speed continuous casting (1999-11-30),

8. D415052 - Self-centering alignment ring (1999-10-12),

9. 5738140 - Adjustable height extension stem and valve box assembly (1998-04-14),

10. 5520419 - Apparatus for assembling bell and spigot pipe joints (1996-05-28),

11. 5480196 - Ductile iron pipe joint employing a coupling and coupling therefor (1996-01-02),

12. 5426842 - Method of assembling bell and spigot pipe joints (1995-06-27),

13. 5277242 - Pipe casting machine having improved pipe mold stabling rings (1994-01-11),

14. 5197768 - Restrained joint having elastomer-backed locking segments (1993-03-30),

15. 5190093 - Method for casting iron pipe (1993-03-02),

American Cast Iron Pipe Company (ACIPCO) is a manufacturer of ductile iron pipe, spiral-welded steel pipe, fire hydrants, valves, and other related products. With over a century of expertise in the industry, ACIPCO is committed to producing high-quality products that meet the needs of various markets, including waterworks, energy, and transportation. Headquartered in Birmingham, Alabama, ACIPCO continues to be a leader in the pipe and foundry industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

32 Patents

#9 in Birmingham, AL

#39 in Alabama

#10,235 in US

#20,071 in the World

Birmingham, AL, United States of America

American Cast Iron Pipe Company

Forward Citations = 456

26 inventors:

Randall C Conner (8 out of 8 patents)

Stephen L Deboalt (5 out of 5 patents)

William E Snow (5 out of 5 patents)

4. Van T Walworth (3 out of 3 patents)

5. Jerry Thomas Mann (3 out of 3 patents)

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