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HARRIGAN PATRICK J

Overview
  • Total Patents
    13
About

HARRIGAN PATRICK J has a total of 13 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, civil engineering and audio-visual technology are VALTIONRAUTATIET, OMS OFF MEC STANGA SPA and FORBES JAMES W.

Patent filings in countries

World map showing HARRIGAN PATRICK Js patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 2

Patent filings per year

Chart showing HARRIGAN PATRICK Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harrigan Patrick J 13

Latest patents

Publication Filing date Title
US1475299A Railroad tie
US1212217A Boltless tie.
US1114350A Dump-car.
CA132641A Dump car
CA126448A Door and operating mechanism therefor
US975861A Dump car and vehicle.
US975860A Door-operating mechanism.
US954096A Check-holder.
US897097A Dust-guard.
US965107A Safety appliance for car-couplings.
US856059A Journal-box.
US826848A Dust-guard for journal-boxes.
US830832A Stop for journal-boxes.