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ROBERT LUCIEN D ESPUJOLS

Overview
  • Total Patents
    22
About

ROBERT LUCIEN D ESPUJOLS has a total of 22 patent applications. Its first patent ever was published in 1903. It filed its patents most often in France, Germany and Switzerland. Its main competitors in its focus markets thermal processes and transport are ZHEJIANG UNIPOWER BOILER CO LTD, SERGE ZIEGLER and DRUMMOND CHARLES SINCLAIR.

Patent filings in countries

World map showing ROBERT LUCIEN D ESPUJOLSs patent filings in countries
# Country Total Patents
#1 France 17
#2 Germany 3
#3 Switzerland 1
#4 United Kingdom 1

Patent filings per year

Chart showing ROBERT LUCIEN D ESPUJOLSs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Thermal processes
#2 Transport

Top inventors

# Name Total Patents
#1 D Espujols Robert-Lucien 11
#2 D'Espujols Robert-Lucien 5
#3 Contamin Philibert 1
#4 Lucien D Espujols Robert 1

Latest patents

Publication Filing date Title
GB196898A Improvements relating to systems for controlling the supply of liquid to a boiler