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For the Inventor, By the Inventor

Las Vegas, NV, United States of America

Pipe Restoration Technologies, LLC


USPTO Granted Patents = 27



Trademarks = 12

Forward Citations = 192

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9 inventors (with patents filed for the assignee):

goldMedal Larry L Gillanders (25 out of 25 patents)

silverMedal Steven A Williams (16 out of 16 patents)

bronzeMedal John Laborde (10 out of 10 patents)

4.  John F Trout (9 out of 11 patents)

5.  Gregory Ryan (9 out of 17 patents)

6.  Steve E Williams (7 out of 133 patents)

7.  Larry Gillanders (2 out of 2 patents)

8.  Steven A Wiiliams (1 out of 1 patent)

9.  Steve Williiams (1 out of 1 patent)

10.  Steve Williams (0 patent)


27 patents:

1. 10449569 - Process for coating the interior surface of non-metallic pipes with metal valves and metal fittings (2019-10-22),
2. 10279375 - Process for coating the interior surface of non-metallic pipes with metal valves and metal fittings (2019-05-07),
3. 10076770 - Processes for coating the interior surfaces of nonmetal materials (2018-09-18),
4. 10076769 - Processes for coating the interior surfaces of nonmetal pipes (2018-09-18),
5. 9889470 - Processes for coating the interior surfaces of nonmetal pipes (2018-02-13),
6. 9889469 - Process for coating the interior surfaces of pipes made of nonmetal materials (2018-02-13),
7. 9764354 - Process for coating the interior surface of underground pipes (2017-09-19),
8. 9744561 - Barrier coating corrosion control methods and systems for interior walls of pipe in underground piping (2017-08-29),
9. 9724730 - Methods and systems for coating and sealing inside piping systems (2017-08-08),
10. 9611973 - Process for coating the interior surface of water service lines (2017-04-04),
11. 9555453 - Methods and systems for abrasive cleaning and barrier coating/sealing of pipes (2017-01-31),
12. 9446429 - Barrier coating corrosion control methods and systems for interior piping systems (2016-09-20),
13. 9352357 - Methods and systems for coating and sealing inside piping systems (2016-05-31),
14. 9273815 - Process for coating the interior surface of water service lines (2016-03-01),
15. 8895905 - Portable heating apparatus for heating interior piping systems (2014-11-25),
Pipe Restoration Technologies, LLC (PRT) is a leading provider of trenchless pipe rehabilitation solutions. We specialize in restoring plumbing and drain lines using innovative cured-in-place pipe (CIPP) technology. With over 15 years of industry experience, we have successfully rehabilitated millions of linear feet of pipe nationwide. Our mission is to provide cost-effective and environmentally friendly solutions that minimize disruption to both residential and commercial properties. To learn more about our services and products, visit our website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

27 Patents

#51 in Las Vegas, NV

#89 in Nevada

#12,401 in US

#23,953 in the World

Las Vegas, NV (US)
Las Vegas, NV, United States of America

Pipe Restoration Technologies, LLC

Forward Citations = 192

9 inventors:

goldMedal Larry L Gillanders (25 out of 25 patents)

silverMedal Steven A Williams (16 out of 16 patents)

bronzeMedal John Laborde (10 out of 10 patents)

4.  John F Trout (9 out of 11 patents)

5.  Gregory Ryan (9 out of 17 patents)

Please report any incorrect information to [email protected]
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