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DURYEA O C CORP

Overview
  • Total Patents
    67
About

DURYEA O C CORP has a total of 67 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets transport, organic fine chemistry and textiles and paper are STANDARD COUPLER CO, TRANSOM DRAFT GEAR COMPANY and MINER CO W H.

Patent filings in countries

World map showing DURYEA O C CORPs patent filings in countries
# Country Total Patents
#1 United States 54
#2 Canada 10
#3 France 2
#4 Germany 1

Patent filings per year

Chart showing DURYEA O C CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duryea Otho C 47
#2 Sigvard Simonson 11
#3 Simonson Sigvard 4
#4 Bierman William A 2
#5 Norbom Einar B 1
#6 Duryea Otho Cromwell 1

Latest patents

Publication Filing date Title
US2497048A Draft appliance for railway cars
US2349565A Car construction
US2314954A Car construction
US2307862A Car construction
US2345652A Car construction
US2284268A Car construction
US2280146A Car construction
US2271608A Car construction
US2238163A Car construction
US2271607A Car construction
US2266963A Car construction
US2161915A Car construction
US2161914A Car construction
US2129551A Car construction
US2129550A Car construction
US2129549A Car construction
US2129548A Car construction
US2132233A Cast railway car body bolster
US2162997A Railway car body bolster
US2129547A Car construction