Growing community of inventors

Stirlingshire, United Kingdom

John D Fotheringham

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 = 3

John D Fotheringham ↔ John McMahon (1 patent)John D FotheringhamJohn D Fotheringham (1 patent)John McMahonJohn McMahon (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Bp Chemicals Limited (1 from 694 patents)


1 patent:

1. 5475171 - Two-stroke engine oils

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12/20/2025
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