Growing community of inventors

Cobham, United Kingdom

David Wrigley

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 49

David WrigleyAlan J Smith (1 patent)David WrigleyDavid Wrigley (1 patent)Alan J SmithAlan J Smith (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Thames Water Utilities Limited (1 from 21 patents)


1 patent:

1. 5525230 - Process of and apparatus for treating a fluid

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12/18/2025
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