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MCBEAN DUNCAN D

Overview
  • Total Patents
    19
About

MCBEAN DUNCAN D has a total of 19 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering and transport are KOKUDO BOSAI GIJUTSU KK, CHINA COMM 2ND NAVIGATIONAL BUREAU 3RD ENG CO LTD and SIMPLEX CONCRETE PILING COMPANY.

Patent filings in countries

World map showing MCBEAN DUNCAN Ds patent filings in countries
# Country Total Patents
#1 United States 19

Patent filings per year

Chart showing MCBEAN DUNCAN Ds patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Mcbean Duncan D 19
#2 Chance Henry M 1

Latest patents

Publication Filing date Title
US1277093A Lumber-ship.
US1272479A Method of building foundations for subaqueous tunnels.
US1221068A Method of building and placing piers.
US1221067A Tunnel and method of building same.
US1260416A Tunnel construction.
US1163096A Tunnel construction.
US1160180A Apparatus for constructing dry-docks.
US1151958A Tunnel construction.
US1060271A Method of building subaqueous tunnels.
US784413A Subaqueous tunnel construction.
US797524A Subaqueous tunnel.
US745457A Subaqueous tunnel.
US745456A Subaqueous tunnel.
US745454A Subaqueous working-chamber.
US745452A Sheeting.
US741589A Masonry water-stopper.
US741588A Sheeting-driver.
US745455A Coffer-dam and foundation.
US745453A Pilot-sheeting.