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London, United Kingdom

David G Penman

Average Co-Inventor Count = 2.25

ph-index = 3

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 = 344

David G Penman ↔ David Marston Band (3 patents)David G Penman ↔ Jiri Kratochvil (1 patent)David G PenmanDavid G Penman (3 patents)David Marston BandDavid Marston Band (10 patents)Jiri KratochvilJiri Kratochvil (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Surgicraft Limited (2 from 6 patents)

2. Other (1 from 832,761 patents)


3 patents:

1. 5354449 - pH electrode

2. 5183043 - Low resistance electrical pick-up and manufacture thereof

3. 5167621 - Fluid extractors

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as of
12/16/2025
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