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ENTPR DE RECH S ET D ACTIVITES

Overview
  • Total Patents
    23
About

ENTPR DE RECH S ET D ACTIVITES has a total of 23 patent applications. Its first patent ever was published in 1966. It filed its patents most often in France, Germany and Canada. Its main competitors in its focus markets civil engineering, mechanical elements and electrical machinery and energy are RESMAN AS, EARTH TOOL CO LLC and NAT OILWELL VARCO UK LIMITED.

Patent filings in countries

World map showing ENTPR DE RECH S ET D ACTIVITESs patent filings in countries
# Country Total Patents
#1 France 11
#2 Germany 6
#3 Canada 4
#4 United Kingdom 2

Patent filings per year

Chart showing ENTPR DE RECH S ET D ACTIVITESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pelissier Yves 4
#2 Laffont Maurice 4
#3 Houot Jean-Jacques 2
#4 Duvet Claude 2
#5 Verrien Jean P F R 1
#6 Eugene Cyrille Francois 1
#7 Knoche Hubert 1
#8 Simonnet Jacques L P 1
#9 Coste Camille 1
#10 Iafrate Antoine 1

Latest patents

Publication Filing date Title
DE2341796A1 DRILLING CHISEL FOR DEEP HOLE
GB1285620A Device for obtaining earth samples
DE1965502A1 Pipe connection
DE1911087A1 Manufacture of alpha-olefins from long chain paraffins
CA899407A Dispositif de connection entre deux elements de conduites etanches et a friction controlee
CA910649A Installation de forage en mer et de production pour grande profondeur
CA916598A Mass separator
CA892884A Appareil de forage autonome pour plate-forme articulee