Growing community of inventors

Le Masnau, Massuguis, France

David John Harper

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 = 1

David John HarperDavid John Wheeler (1 patent)David John HarperRonald Michael Henson (1 patent)David John HarperDavid John Harper (1 patent)David John WheelerDavid John Wheeler (1 patent)Ronald Michael HensonRonald Michael Henson (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gec-alsthom Limited (1 from 28 patents)

2. Isambard Services Limited (1 from 1 patent)


1 patent:

1. 5730845 - Method and apparatus of producing an organo-nitrogen compound

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as of
12/17/2025
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