3 - Henry Joseph D’HUART DE NOTHOMB (3) [1] [2]

Machine permettant d'employer le gaz des hauts fourneaux pour la 

cuisson de la faïence

French patent           No 6,352

Application date:     25 September 1847

Grant date:              10 November 1847

Additions filed on 

11 December 1847

31 December 1847

18 October 1850

D’HUART applied for a corresponding patent in Luxembourg on 18 January 1848 (see No 32). The subject matter of the 1850 addition was of course not included in the Luxembourg application.

The following drawing is an illustration of the final setup retained by D’HUART as shown in the 1850 addition.

(Source: archives de l’Institut national de la propriété industrielle)


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[1] FamilySearch database

[2] Geneanet database

(03/02/2021)