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For the Inventor, By the Inventor

Warrington, United Kingdom

United Utilities Plc

USPTO Granted Patents = 11



Forward Citations = 30

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13 inventors (with patents filed for the assignee):

goldMedal Son Le (3 out of 3 patents)

silverMedal Minh Son Le (2 out of 4 patents)

bronzeMedal 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:

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),
Company Overview
United Utilities Plc is a leading water and wastewater services provider based in Warrington, UK. The company specializes in the management and delivery of essential water resources, focusing on sustainable practices and innovative technologies to enhance water quality and efficiency. United Utilities is committed to environmental stewardship and aims to improve the resilience of water infrastructure while addressing the challenges posed by climate change. Its operations primarily serve the North West region of England, ensuring reliable services to millions of customers.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#6 in Warrington

#1,600 in United Kingdom

#51,801 in the World

Warrington, GB
Warrington, United Kingdom

United Utilities Plc

Forward Citations = 30

13 inventors:

goldMedal Son Le (3 out of 3 patents)

silverMedal Minh Son Le (2 out of 4 patents)

bronzeMedal Mark Whittaker (1 out of 1 patent)

4.  Ruyi Hu (1 out of 1 patent)

5.  Sean Tyrrel (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: United Utilities Plc. Retrieved from https://idiyas.com/company/united-utilities

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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