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CHARPENTIER ROGER

Overview
  • Total Patents
    21
About

CHARPENTIER ROGER has a total of 21 patent applications. Its first patent ever was published in 1957. It filed its patents most often in France, United Kingdom and Canada. Its main competitors in its focus markets civil engineering, electrical machinery and energy and machines are WOOD MARCUS BENNETT, PICHETTE CAROLD and BARNHART VERN A.

Patent filings in countries

World map showing CHARPENTIER ROGERs patent filings in countries
# Country Total Patents
#1 France 6
#2 United Kingdom 3
#3 Canada 2
#4 Switzerland 2
#5 United States 2
#6 Austria 1
#7 Belgium 1
#8 Germany 1
#9 EPO (European Patent Office) 1
#10 Spain 1
#11 Norway 1

Patent filings per year

Chart showing CHARPENTIER ROGERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charpentier Roger 10
#2 Roger Charpentier 2

Latest patents

Publication Filing date Title
US4342975A Magnetic return control key
ES444578A1 Magnetic system for control of opening and closing of doors, with action in all positions. (Machine-translation by Google Translate, not legally binding)
US3522923A Magnetic panel supporting and securing devices
GB989062A Improvements in or relating to magnetic structures particularly applicable for use in magnetic catches
GB839019A Improvements in or relating to door closing devices
CA734081A Magnets
CA786007A Assembly for supporting a panel of light-weight, low-penetration resistance material