Growing community of inventors

Derby, United Kingdom

Richard P North

Average Co-Inventor Count = 3.00

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 = 19

Richard P North ↔ Christopher P Madden (1 patent)Richard P North ↔ Christopher S Parkin (1 patent)Richard P NorthRichard P North (1 patent)Christopher P MaddenChristopher P Madden (46 patents)Christopher S ParkinChristopher S Parkin (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rolls-royce Corporation (1 from 5,871 patents)


1 patent:

1. 5398509 - Gas turbine engine combustor

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as of
12/20/2025
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