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OTTO GRAETZER

Overview
  • Total Patents
    19
About

OTTO GRAETZER has a total of 19 patent applications. Its first patent ever was published in 1907. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets thermal processes, electrical machinery and energy and consumer goods are LAKO DANIEL, CARMEAN SAMUEL M and MAANSHAN TUHAOXIN TIRE TECH RES AND DEV CO LTD.

Patent filings in countries

World map showing OTTO GRAETZERs patent filings in countries
# Country Total Patents
#1 Germany 8
#2 United States 5
#3 United Kingdom 4
#4 France 2

Patent filings per year

Chart showing OTTO GRAETZERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Otto Graetzer 5
#2 Graetzer Otto 2
#3 Bruman Otto F 1

Latest patents

Publication Filing date Title
US1752986A Automatic cistern for liquids
GB304590A Improvements in or relating to electric through-flow heaters with automatic storage for liquids
GB327090A Improvements in or relating to automatic cisterns
US1788669A Electrical water-heating apparatus having electrodes
GB242565A Improvements in or relating to electric hand irons
US1728269A Flatiron
US1604408A Hot-water-dispensing device
GB235170A Improvements in or relating to electric water heaters
US1501768A Electric heater for faucets