Francois Weisang

This inventor holds 3 USPTO granted patents. Top assignees: L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des, L'air Liquide. Active years: 1984-1991.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 6(Granted Patents)

Company Filing History:

2 out of 715

L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des

Years Active: 1984-1991

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5054749 - Tundish for continuous casting of steel (1991-10-08),

2. 4891063 - Process for stirring steel in a ladle with the aid of carbon dioxide (1990-01-02),

3. 4460409 - Process and installation for protecting a jet of molten metal for casting (1984-07-17),

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