Growing community of inventors

Sheffield, United Kingdom

Derek Stubbins

Average Co-Inventor Count = 1.00

ph-index = 2

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 = 24

Derek StubbinsDerek Stubbins (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Davy-loewy Limited (2 from 27 patents)

2. Davy Mckee (sheffield) Limited (1 from 27 patents)


3 patents:

1. 4974438 - Rolling mill housing structure

2. 4367059 - Variable sized coil carrying car

3. 3977224 - Conveying systems

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as of
12/13/2025
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