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Telford, United Kingdom

John William Keen

Average Co-Inventor Count = 1.00

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 = 7

John William KeenJohn William Keen (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Marston Excelsior Limited (1 from 5 patents)


1 patent:

1. 4049047 - Liquid heat exchange system with separately compartmented make-up tanks

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as of
12/21/2025
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