Growing community of inventors

Melbourn, United Kingdom

Duncan Richard Guthrie

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

Duncan Richard GuthrieDuncan Richard Guthrie (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nt Door Controls Limited (1 from 2 patents)


1 patent:

1. 5680674 - Device for controlling the movement of a wing

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as of
12/18/2025
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