Growing community of inventors

Dundas, Canada

Johan Richard

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 = 4

Johan Richard ↔ James Derek Dorricott (1 patent)Johan Richard ↔ Lawrence John Heaslip (1 patent)Johan RichardJohan Richard (1 patent)James Derek DorricottJames Derek Dorricott (21 patents)Lawrence John HeaslipLawrence John Heaslip (21 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Vesuvius Crucible Company (1 from 124 patents)


1 patent:

1. 7112300 - Ladle bottom

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as of
12/17/2025
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