North West Water Group Plc

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USPTO Granted Patents = 7

Forward Citations = 104

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11 inventors (with patents filed for the assignee):

Michael P Thomas (2 out of 5 patents)

Alexander P Davidson (2 out of 5 patents)

Steven W Summers (2 out of 2 patents)

4. Andrew Lennard Lewis (2 out of 2 patents)

5. Peter John Williams (2 out of 2 patents)

6. Howard M Colquhoun (2 out of 9 patents)

7. George F Clough (1 out of 3 patents)

8. Minh Son Le (1 out of 4 patents)

9. Graham Arthur Austin (1 out of 1 patent)

10. Nicholas Jason Preston (1 out of 1 patent)

11. David R Cowieson (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5847075 - Polymer and porous structure (1998-12-08),

2. 5698105 - Polymer porous structure and process (1997-12-16),

3. 5653554 - Apparatus for removing piping from the ground (1997-08-05),

4. 5605628 - Composite membranes (1997-02-25),

5. 5549829 - Membrane filtration system (1996-08-27),

6. 5439598 - Industrial filtration apparatus and method for the separation of solids (1995-08-08),

7. 5376442 - Composite membranes (1994-12-27),

Company Overview

North West Water Group Plc is a leading water and wastewater company in the United Kingdom. With a focus on providing high-quality, reliable water services to both residential and commercial customers, North West Water Group Plc operates across the North West of England. The company is committed to sustainability and innovation in the water industry, ensuring a safe and sustainable water supply for future generations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#8 in Warrington

#2,345 in United Kingdom

Warrington, United Kingdom