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MARGRETH JOSEPH

Overview
  • Total Patents
    45
About

MARGRETH JOSEPH has a total of 45 patent applications. Its first patent ever was published in 1904. It filed its patents most often in Switzerland, United Kingdom and Austria. Its main competitors in its focus markets basic materials chemistry, thermal processes and control are MARGRETH BERNHARD, BERNHARD MARGRETH and VOLCAN SA.

Patent filings in countries

World map showing MARGRETH JOSEPHs patent filings in countries
# Country Total Patents
#1 Switzerland 25
#2 United Kingdom 15
#3 Austria 3
#4 United States 2

Patent filings per year

Chart showing MARGRETH JOSEPHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Margreth Joseph 42
#2 Joseph Margreth 3

Latest patents

Publication Filing date Title
GB124975A Improvements in Acetylene Burners.
GB125282A Improvements relating to Acetylene Generators.
GB110101A Improvements in Acetylene Gas Generators.
GB110102A Improvements in Acetylene Gas Generators.
GB111410A Improvements in Acetylene Gas Generators.
GB110870A Improvements in Acetylene Gas Generators.
GB101156A Improvements in Acetylene Generators.
GB101155A Improvements in Acetylene Generators.
GB100061A Improvements in and relating to Acetylene Generators.
GB191409373A Improvements in and relating to Acetylene Generators.
GB191401131A Improvements relating to Joints for Gas Brackets.
GB190914517A Improvements in Acetylene Gas Burners.
GB190617157A Improvements in Acetylene Generators.
US834831A Acetylene-gas generator.
GB190615891A Improvements in Portable Acetylene Generators.
GB190425857A Improvements in Acetylene Storm Lamps.
US869719A Acetylene-gas generator.