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FRITZ GRAETZ

Overview
  • Total Patents
    12
About

FRITZ GRAETZ has a total of 12 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets thermal processes, electrical machinery and energy and audio-visual technology are EHRICH & GRAETZ SOC, MUMMERY CLYDE W and ILE.

Patent filings in countries

World map showing FRITZ GRAETZs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 United States 3
#3 Germany 2

Patent filings per year

Chart showing FRITZ GRAETZs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fritz Graetz 3
#2 Graetz Fritz 2

Latest patents

Publication Filing date Title
US2756579A Vaporizer for liquid fuel burner
GB728350A Improvements in or relating to incandescent pressure lamps
US2739229A Dome structure for mantle type lantern
GB735057A Improvements relating to chimneys for high candle power lamps burning vaporized liquid fuel
GB711103A Improvements relating to liquid-measuring devices, particularly for lamps burning liquid fuel
GB697828A An improved vaporiser for high-candle-power lamps burning vaporized liquid fuel
GB711799A Improvements relating to air atomized liquid fuel burners for preheating vaporizers in lighting, heating and cooking appliances burning liquid fuel
US2139819A Preheater
GB326665A Improvements in and relating to electrical flat irons with thermo-switches
GB327147A Improvements in loud speakers