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LEWIS BERGER & SONS LIMITED

Overview
  • Total Patents
    23
About

LEWIS BERGER & SONS LIMITED has a total of 23 patent applications. Its first patent ever was published in 1947. It filed its patents most often in Switzerland. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and materials and metallurgy are LEWIS BERGER & SONS LTD, FAN JIN and SCADO KUNSTHARSINDUSTRIE N V.

Patent filings in countries

World map showing LEWIS BERGER & SONS LIMITEDs patent filings in countries
# Country Total Patents
#1 Switzerland 23

Patent filings per year

Chart showing LEWIS BERGER & SONS LIMITEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sons Limited Lewis Berger 10
#2 Frank Armitage 10
#3 Leslie Ernest Wakeford 3
#4 Donald Helmsley 2
#5 William Eric Allsebrook 1
#6 B Gitchell W 1
#7 Richard Robertson Davidson 1
#8 George Ernest Westwood 1
#9 Donald Helmsley Hewith 1
#10 John Joseph Sleightholme 1