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ETIENNE CHALLET

Overview
  • Total Patents
    49
About

ETIENNE CHALLET has a total of 49 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy, thermal processes and measurement are POLARIS FABRIKKER AS, WORLDBEST CORP and WINTERWARM LTD.

Patent filings in countries

World map showing ETIENNE CHALLETs patent filings in countries
# Country Total Patents
#1 United Kingdom 21
#2 Germany 15
#3 France 5
#4 United States 4
#5 Austria 3
#6 Switzerland 1

Patent filings per year

Chart showing ETIENNE CHALLETs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Challet Etienne 10
#2 Etienne Challet 5
#3 Boissonnas Auguste 1

Latest patents

Publication Filing date Title
DE732370C Electric heating plate with partial heating elements that are resilient towards a common supporting body and movable towards one another
DE732183C Process for the production of electrical heating resistors
GB502655A Improvements in or relating to electric heating plates
US2161781A Electric heating plate
US2163457A Electric heazing plate
GB486391A Improvements in electric resistance heating apparatus
GB490880A Improvements in electric hot plates
DE679291C Electric heating plate
DE686473C Electric heating plate
GB503474A Electric kitchen stove or oven
GB493379A Electric kitchen stove or oven
DE680898C Electric heating plate with at least two heating elements that can move relative to one another
DE708971C Connector sleeve for electrical apparatus, which consists of a coil spring formed by elongated turns of a metal wire
DE690966C Electric kitchen stove, which is set up for receiving in addition to the hotplates equipped with hotplates
DE685855C Arrangement for the insulation of electrical heating conductors
GB478473A Improvements in and relating to electric heating plates
GB475470A Device for preventing the over-heating of the oven-grill in an electric cooker
GB479984A Improvements in electric coupling contacts
GB484349A Improvements in and relating to electric cookers
GB471476A Low power electric resistance heating element and method of manufacturing same