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DE MASK MARTIN J

Overview
  • Total Patents
    13
About

DE MASK MARTIN J has a total of 13 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy are POWER DISTRIB INC, SHOTEY MICHAEL J and ZHIZHAO LUO.

Patent filings in countries

World map showing DE MASK MARTIN Js patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing DE MASK MARTIN Js patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 De Mask Martin J 13

Latest patents

Publication Filing date Title
US2231056A Electrical conduit
US2150963A Barrier for bus ducts
US2191645A Bus duct
US2098414A Electrical contact member for conduits
US2088845A Electrical wiring device
US1982152A System for distributing power
US2054193A Switch mechanism for multiple outlet conduits
US1962554A Electric wiring system
US1840887A Fitting for multiple electric installations
US1992816A Multiple electric installation
US1817879A Plug
US1885513A Multiple electrical conduit receptacle and plug
US1805572A Multiple base plug receptacle