Growing community of inventors

Morpeth, United Kingdom

Stephen Stewart

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

Stephen Stewart ↔ Michael Graham (2 patents)Stephen Stewart ↔ Callum Russell Whitehead (2 patents)Stephen Stewart ↔ Dominic James Thompson (1 patent)Stephen Stewart ↔ Dominic James Thompson (1 patent)Stephen StewartStephen Stewart (2 patents)Michael GrahamMichael Graham (3 patents)Callum Russell WhiteheadCallum Russell Whitehead (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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