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STONE & COMPANY PROPELLERS LTD

Overview
  • Total Patents
    14
About

STONE & COMPANY PROPELLERS LTD has a total of 14 patent applications. Its first patent ever was published in 1960. It filed its patents most often in France, United Kingdom and Belgium. Its main competitors in its focus markets materials and metallurgy, transport and civil engineering are FRITZ CHRISTEN, BAJDUGANOV ALEKSANDR MERKUREVICH and TAICANG MINGSHI METAL MFG CO LTD.

Patent filings in countries

World map showing STONE & COMPANY PROPELLERS LTDs patent filings in countries
# Country Total Patents
#1 France 3
#2 United Kingdom 3
#3 Belgium 2
#4 Germany 2
#5 Denmark 2
#6 United States 2

Patent filings per year

Chart showing STONE & COMPANY PROPELLERS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bailey Norman 3
#2 Webb Alfred William Owen 3
#3 Southin Roy Thomas 2
#4 Owen Webb Alfred William 2
#5 Chambers Arthur Keith 2
#6 Norman Bailey 1
#7 Thomas Southin Roy 1

Latest patents

Publication Filing date Title
US3230078A Manganese-base alloys
GB984870A Improvements relating to manganese-base alloys
US3079252A Copper-base alloys
GB926730A Improvements relating to bulkhead doors
GB922399A Improvements relating to copper-base alloys