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HENRI LAWARREE

Overview
  • Total Patents
    11
About

HENRI LAWARREE has a total of 11 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and environmental technology are QINGDAO CHEMICAL COLLEGE, ITALKALI and V N PROIZV OB SOLYANOJ PROMY.

Patent filings in countries

World map showing HENRI LAWARREEs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 Germany 3
#3 United States 3
#4 Ireland 1

Patent filings per year

Chart showing HENRI LAWARREEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henri Lawarree 3

Latest patents

Publication Filing date Title
GB641960A Improvements in or relating to electrolysers having soluble anodes
IE14664L Manufacture of sodium hydroxide
GB477230A Manufacture of sodium hydroxide
US2167404A Process for the manufacture of caustic soda
GB417919A Improvements in the manufacture of alkali nitrates
GB382167A Improved process for manufacture of sodium bicarbonate
US1928540A Process for the manufacture of sodium bicarbonate
US1891426A Process of manufacturing alkali metal nitrates
DE673948C Process for the production of sodium bicarbonate