Growing community of inventors

Cheltenham, United Kingdom

John P Sheppard

Average Co-Inventor Count = 2.40

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 = 15

John P Sheppard ↔ David J McCaffrey (1 patent)John P Sheppard ↔ Robert James Pragnell (1 patent)John P Sheppard ↔ Rodney Taylor (1 patent)John P SheppardJohn P Sheppard (2 patents)David J McCaffreyDavid J McCaffrey (6 patents)Robert James PragnellRobert James Pragnell (4 patents)Rodney TaylorRodney Taylor (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Coal Industry (patents) Limited (2 from 281 patents)


2 patents:

1. 4528107 - Froth flotation

2. 4233357 - Laminated insulating board

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as of
12/16/2025
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