Growing community of inventors

Bristol, United Kingdom

Derrick Hewkin

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 = 5

Derrick HewkinDavid John James (1 patent)Derrick HewkinDerrick Hewkin (1 patent)David John JamesDavid John James (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Royal Ordnance Plc (1 from 36 patents)


1 patent:

1. 6272997 - Device for locating a projectile in a barrel

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as of
12/19/2025
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