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ABEL DEFRANCE

Overview
  • Total Patents
    11
About

ABEL DEFRANCE has a total of 11 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets engines, pumps and turbines and environmental technology are FRANK LIOUD, CHARLES HENRI CLAUDEL and ENRICO FEROLDI.

Patent filings in countries

World map showing ABEL DEFRANCEs patent filings in countries
# Country Total Patents
#1 Germany 4
#2 United Kingdom 4
#3 United States 3

Patent filings per year

Chart showing ABEL DEFRANCEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Abel Defrance 3
#2 Pierre Versille 1
#3 Maurice Pestel 1
#4 Eugene Pestel 1

Latest patents

Publication Filing date Title
GB417811A Device adapted for purifying air induced by internal combustion engines and eliminating moisture therefrom
US1914111A Apparatus for the prevention of backfiring in internal combustion engines
GB269197A Improvements in the ignition means of internal combustion engines
US1858853A Combined mixing and vaporizing device
GB272838A Charge-mixing and heating devices for internal combustion engines
GB279542A Improvements in or relating to fuel atomising devices for internal combustion engines
DE476522C Device for preheating and comparison of the charge mixture for internal combustion engines
US1775891A Gaseous-fuel-mixing device