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LANGGUTH ERICH

Overview
  • Total Patents
    15
About

LANGGUTH ERICH has a total of 15 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, Spain and Austria. Its main competitors in its focus markets materials and metallurgy and chemical engineering are JEAN QUENEAU AUGUSTIN LEON, RECCO B V and QUENEAU AUGUSTIN L J.

Patent filings in countries

World map showing LANGGUTH ERICHs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Spain 3
#3 Austria 2
#4 Australia 1
#5 Canada 1
#6 Switzerland 1
#7 Denmark 1
#8 United Kingdom 1

Patent filings per year

Chart showing LANGGUTH ERICHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Chemical engineering

Top inventors

# Name Total Patents
#1 Langguth Erich 11
#2 Erich Langguth 1

Latest patents

Publication Filing date Title
ES140942A1 Procedure for the manufacture of large surface electrodes.
US1144481A Process of treating mixed sulfid ores.
AU490512B Electromagnetic separator
US1076213A Electromagnetic separator.
CA148884A Electro-magnetic separator
US1078360A Process of treating ores.
GB191127411A Process and Equipment for Reducing Lead-silver-zinc Ores, Lead Ores Containing Silver, and like Ores.
US793137A Electromagnetic ore-separator.
US781077A Electromagnetic ore-separator.