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ROBERT ERN

Overview
  • Total Patents
    13
About

ROBERT ERN has a total of 13 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets machine tools and machines are DURHAM DUPLEX RAZOR COMPANY, WALTER OSBERGHAUS and AUTO STROP PATENTS CORP.

Patent filings in countries

World map showing ROBERT ERNs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Germany 5
#3 United States 2

Patent filings per year

Chart showing ROBERT ERNs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Robert Ern 2

Latest patents

Publication Filing date Title
GB511980A Improvements in and relating to safety razors
GB427283A Improvements in and relating to razor-holders for strip-like blades
GB426399A Improvements in and relating to striplike razor blades
GB426546A Improvements in and relating to striplike blades for safety razors
GB426604A Improvements in and relating to razor-holders for striplike blades
US2045222A Safety razor and blade
GB349783A An improved polishing machine particularly for table cutlery
US1904282A Polishing apparatus, specially for knives, forks, and spoons