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RENE LUCIEN GUSTAVE LE GRAIN

Overview
  • Total Patents
    31
About

RENE LUCIEN GUSTAVE LE GRAIN has a total of 31 patent applications. Its first patent ever was published in 1909. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets transport, engines, pumps and turbines and textiles and paper are AUGUST LEANDER NILSSON, PITRE LEON DUNAN and FRANK LIOUD.

Patent filings in countries

World map showing RENE LUCIEN GUSTAVE LE GRAINs patent filings in countries
# Country Total Patents
#1 France 18
#2 United Kingdom 10
#3 Germany 2
#4 Switzerland 1

Patent filings per year

Chart showing RENE LUCIEN GUSTAVE LE GRAINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grain Rene-Lucien-Gustave Le 18
#2 Savary Paul-Henri-Robert 4
#3 Le Grain Rene Lucien Gustave 1
#4 Delas Francois-Xavier-Jose 1

Latest patents

Publication Filing date Title
GB238434A Improvements in and relating to carburetters
GB237356A Improvements in or relating to carburetters more particularly suitable for use upon aircraft
GB218251A Improvements in carburetting apparatus for use with internal combustion engines
GB184139A Improvements in the suspension of vehicle axles
GB181323A Improvements in the suspension of vehicle frames
GB156161A Improvements in the spring suspension of vehicles
GB141329A Improvements in or relating to the spring suspension of motor road vehicles
GB137533A Improvements in liquid fuel carburetters for internal combustion engines
GB137527A Improvements in liquid fuel carburetters for internal combustion engines