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DOITTAU PRODUITS METALLURG

Overview
  • Total Patents
    42
About

DOITTAU PRODUITS METALLURG has a total of 42 patent applications. Its first patent ever was published in 1953. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are MICHIHIRO MASAMI, ZHEJIANG LIOHO LIGHT MACHINERY CO LTD and BRUGGER GOTTFRIED.

Patent filings in countries

World map showing DOITTAU PRODUITS METALLURGs patent filings in countries
# Country Total Patents
#1 France 23
#2 United Kingdom 8
#3 Germany 4
#4 Belgium 2
#5 Spain 2
#6 Sweden 2
#7 Austria 1

Patent filings per year

Chart showing DOITTAU PRODUITS METALLURGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nouveau Henri 3
#2 Thierry Rene 3
#3 Marie Claude 2
#4 Jourlin Rene 2
#5 Venard Pierre 1
#6 Corbeil-Essonnes Claude Marie 1
#7 Nouveau H 1

Latest patents

Publication Filing date Title
GB1274454A Linings for ingot molds and foundry moulds
GB1159492A Linings for Steel Ingot Moulds and Foundry Moulds
DE1458035A1 Exothermic mixture and elements made from it for lining molds for metal casting
DE1223997B Lining for casting molds or their attachments
GB1028833A Improved lining for ingot moulds
GB911032A A hot top for operation with an ingot mold
DE1208452B Seal between a block mold insert and a block mold
ES226425A3 An improved procedure for the maintenance in the fusing condition of the casting molds or heads of cast iron (Machine-translation by Google Translate, not legally binding)
ES226434A3 Improvements in the procedures for maintaining fusion moldings in a fusing status (Machine-translation by Google Translate, not legally binding)
GB810422A Improvements relating to the casting of metal with the use of exothermic materials
GB808839A Improvements relating to the casting of cast parts