Growing community of inventors

Hampshire, United Kingdom

Peter J Sewell

Average Co-Inventor Count = 1.33

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 = 3

Peter J Sewell ↔ John Chapples (1 patent)Peter J SewellPeter J Sewell (2 patents)John ChapplesJohn Chapples (23 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. City Technology Limited (2 from 30 patents)


2 patents:

1. 5632875 - Electrochemical gas sensor assembly

2. D371750 - Gas sensor

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as of
1/11/2026
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