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Warrington, United Kingdom

United Utilities Plc

USPTO Granted Patents = 11

CIPO Patents = 1

EPO Patents = 6

Forward Citations = 30

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13 inventors (with patents filed for the assignee):

Son Le (3 out of 3 patents)

Minh Son Le (2 out of 4 patents)

Mark Whittaker (1 out of 1 patent)

4. Ruyi Hu (1 out of 1 patent)

5. Sean Tyrrel (1 out of 1 patent)

6. Duc Do (1 out of 1 patent)

7. Jonathan Buckett (1 out of 1 patent)

8. Paul Sage (1 out of 1 patent)

9. Jeremy Nathaniel Nieto Raphael (1 out of 1 patent)

10. John David Kenneth Ayling (1 out of 1 patent)

11. James Walkingshaw (1 out of 1 patent)

12. Colin Davidson (1 out of 1 patent)

13. Mark Johnson (1 out of 1 patent)

14. Hendrik Willem Herman Menkveld (2 patents)

15. Hendrik Willem Menkveld (0 patent)

11 patents: Sort by Forward Citations

1. 11440827 - Method for the preparation of biopolymers (2022-09-13),

2. 11306444 - Pavement reinstatement (2022-04-19),

3. 9187355 - Production of volatile fatty acids by means of mesophilic fermentation of sludge (2015-11-17),

4. 7892310 - Biowaste treatment (2011-02-22),

5. 7504035 - Treatment of putrescrible cakes (2009-03-17),

6. 7452465 - Incubation treatment of sludge for pathogen reduction prior to digestion (2008-11-18),

7. 7150826 - Filtering apparatus (2006-12-19),

8. 6829566 - Pipe network optimization (2004-12-07),

9. 6276250 - Method and apparatus for separating a pipe from a cable (2001-08-21),

10. 6149383 - Rotating machine (2000-11-21),

11. 6137571 - Optical instrument (2000-10-24),

United Utilities Plc is one of the UK's largest listed water companies. They are responsible for delivering water and wastewater services to around seven million people in North West England. The company operates a network of pipes, sewers, and treatment works to provide clean water and take away wastewater, helping to protect public health and the environment.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#6 in Warrington

#1,598 in United Kingdom

#51,671 in the World

Warrington, United Kingdom

United Utilities Plc

Forward Citations = 30

13 inventors:

Son Le (3 out of 3 patents)

Minh Son Le (2 out of 4 patents)

Mark Whittaker (1 out of 1 patent)

4. Ruyi Hu (1 out of 1 patent)

5. Sean Tyrrel (1 out of 1 patent)

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