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Charlotte, NC, United States of America

Charlotte Pipe and Foundry Company

USPTO Granted Patents = 12

CIPO Patents = 3

Trademarks = 31

Forward Citations = 161

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19 inventors (with patents filed for the assignee):

Julie Starnes Parker (6 out of 6 patents)

Eric Wayne Lewis (5 out of 5 patents)

William Boykin Morris (2 out of 3 patents)

4. Gregory Eugene Nahrgang (2 out of 3 patents)

5. Jasper D Barber (2 out of 2 patents)

6. Robert G States, Iii (1 out of 20 patents)

7. Maximilian Linder (1 out of 8 patents)

8. Chase Speights (1 out of 1 patent)

9. Evan Knapp (1 out of 1 patent)

10. Adam John Miloser (1 out of 2 patents)

11. Reese Sumrall, Jr (1 out of 1 patent)

12. James Marvin Polson, Jr (1 out of 1 patent)

13. Nicholas George Peth (1 out of 1 patent)

14. Paul Alan Spirkowyc (1 out of 2 patents)

15. Haskell Simpkins (1 out of 28 patents)

12 patents: Sort by Forward Citations

1. 11255080 - Closet flange with a membrane seal (2022-02-22),

2. 11149426 - Toilet assembly having improved closet flange (2021-10-19),

3. 9568127 - Mechanical pipe coupling assembly without adhesive or bonding agent (2017-02-14),

4. D741456 - Crimp-style coupling device for clamping together cast iron pipes, fittings and the like (2015-10-20),

5. 8172275 - Composite polymeric transition pipe fitting for joining polymeric and metallic pipes (2012-05-08),

6. 7988204 - Pipe fitting for connecting between a metal piece of plumbing and a polymer piece of plumbing (2011-08-02),

7. 7527302 - Pipe fitting and associated methods and apparatus (2009-05-05),

8. D554237 - Portion of a pipe fitting (2007-10-30),

9. D549804 - Portion of a pipe fitting (2007-08-28),

10. D533259 - Portion of a pipe fitting (2006-12-05),

11. 4352652 - Apparatus for molding plastic pipe fitting with internal groove therein (1982-10-05),

12. 4184834 - Injection molding apparatus for pipe fittings (1980-01-22),

Charlotte Pipe and Foundry Company is a leading manufacturer of precision-engineered pipe, fittings, and valves. With a history dating back over a century, the company is known for its high-quality products and commitment to customer satisfaction. Charlotte Pipe and Foundry Company serves a wide range of industries, including plumbing, HVAC, and industrial applications.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

12 Patents

#84 in Charlotte, NC

#541 in North Carolina

#24,764 in US

#46,630 in the World

Charlotte, NC, United States of America

Charlotte Pipe and Foundry Company

Forward Citations = 161

19 inventors:

Julie Starnes Parker (6 out of 6 patents)

Eric Wayne Lewis (5 out of 5 patents)

William Boykin Morris (2 out of 3 patents)

4. Gregory Eugene Nahrgang (2 out of 3 patents)

5. Jasper D Barber (2 out of 2 patents)

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