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Middlesex, United Kingdom

John Guest International Limited

USPTO Granted Patents = 38

CIPO Patents = 1

EPO Patents = 19

Trademarks = 15

Forward Citations = 540

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6 inventors (with patents filed for the assignee):

Timothy Steven Guest (17 out of 21 patents)

John Derek Guest (14 out of 16 patents)

Timothy Stephen Guest (6 out of 7 patents)

4. Glen Ansell (3 out of 3 patents)

5. Joshua Smith (2 out of 6 patents)

6. Daniel Watson (1 out of 3 patents)

7. Timoty Steven Guest (0 patent)

8. Timothy Stephen Guest (0 patent)

38 patents: Sort by Forward Citations

1. 12187354 - Coaxial beverage keg connector comprising a ball joint (2025-01-07),

2. 11796101 - Connector (2023-10-24),

3. 11787095 - Mold and method for molding a body or cap for a connector (2023-10-17),

4. 11761568 - Connector (2023-09-19),

5. 10514108 - Ball valve assembly (2019-12-24),

6. 9909701 - Tube couplings (2018-03-06),

7. 9631756 - Connector (2017-04-25),

8. 9551447 - Connector for connecting to a tube (2017-01-24),

9. 9322499 - Connector (2016-04-26),

10. 9261214 - Tube coupling having an improved collet alignment (2016-02-16),

11. D741459 - Fluid connector (2015-10-20),

12. D741458 - Fluid connector (2015-10-20),

13. D733846 - Fluid connector (2015-07-07),

14. D731628 - Fluid connector (2015-06-09),

15. D731627 - Fluid connector (2015-06-09),

John Guest International Limited is a leading manufacturer of high-quality plastic fittings and pipes. With over four decades of experience, the company specializes in push-fit plumbing and pipe systems for various applications. John Guest's innovative and reliable product range includes fittings for drinking water, compressed air, heating systems, automotive, and numerous other industries. The company prioritizes manufacturing excellence, customer satisfaction, and continuous product development. They have a global presence and are known for their commitment to quality and durability.

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Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

38 Patents

#10 in Middlesex

#458 in United Kingdom

#17,325 in the World

Middlesex, United Kingdom

John Guest International Limited

Forward Citations = 540

6 inventors:

Timothy Steven Guest (17 out of 21 patents)

John Derek Guest (14 out of 16 patents)

Timothy Stephen Guest (6 out of 7 patents)

4. Glen Ansell (3 out of 3 patents)

5. Joshua Smith (2 out of 6 patents)

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