Growing community of inventors

Berkshire, United Kingdom

Derek George Hayes

Average Co-Inventor Count = 6.00

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 = 0

Derek George HayesGuy Harvey Mason (1 patent)Derek George HayesKenneth Tomkins (1 patent)Derek George HayesGuy Harvey Mason (1 patent)Derek George HayesPaul Franklin Steel (1 patent)Derek George HayesAndrew John Stevens (1 patent)Derek George HayesJames Andrew Gulliver (1 patent)Derek George HayesPaul Franklin Steel (1 patent)Derek George HayesAndrew John Stevens (1 patent)Derek George HayesKenneth Tomkins (1 patent)Derek George HayesJames Andrew Gulliver (1 patent)Derek George HayesDerek George Hayes (1 patent)Guy Harvey MasonGuy Harvey Mason (6 patents)Kenneth TomkinsKenneth Tomkins (2 patents)Guy Harvey MasonGuy Harvey Mason (1 patent)Paul Franklin SteelPaul Franklin Steel (1 patent)Andrew John StevensAndrew John Stevens (1 patent)James Andrew GulliverJames Andrew Gulliver (1 patent)Paul Franklin SteelPaul Franklin Steel (2 patents)Andrew John StevensAndrew John Stevens (2 patents)Kenneth TomkinsKenneth Tomkins (2 patents)James Andrew GulliverJames Andrew Gulliver (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sondex Wireline Limited (1 from 23 patents)


1 patent:

1. 8849572 - Apparatus for determining the concentration of a conductive fluid present in a fluid filled borehole

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