Growing community of inventors

Stockton on Tees, United Kingdom

Callum Russell Whitehead

Average Co-Inventor Count = 4.00

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 = 18

Callum Russell Whitehead ↔ Michael Graham (2 patents)Callum Russell Whitehead ↔ Stephen Stewart (2 patents)Callum Russell Whitehead ↔ Dominic James Thompson (1 patent)Callum Russell Whitehead ↔ Dominic James Thompson (1 patent)Callum Russell WhiteheadCallum Russell Whitehead (2 patents)Michael GrahamMichael Graham (3 patents)Stephen StewartStephen Stewart (2 patents)Dominic James ThompsonDominic James Thompson (1 patent)Dominic James ThompsonDominic James Thompson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Parker Hannifin Emea S.a.r.l. (2 from 15 patents)


2 patents:

1. D893691 - Compressed air dryer

2. D847300 - Filter

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as of
12/19/2025
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