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COUGHLIN WILLIAM G

Overview
  • Total Patents
    14
About

COUGHLIN WILLIAM G has a total of 14 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and machines are TAMPER INC, SCHOLES RICHARD T and LOCKSPIKE LTD.

Patent filings in countries

World map showing COUGHLIN WILLIAM Gs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 1

Patent filings per year

Chart showing COUGHLIN WILLIAM Gs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines

Top inventors

# Name Total Patents
#1 Coughlin William G 14

Latest patents

Publication Filing date Title
US1619403A Rail
US1640925A Rail-holding device and anticreeper
US1688801A Rail-securing device
US1610601A Crosstie
US1632998A Rail-joint support
US1529345A Rail securing and adjusting device
US1475429A Built-up tie
US1441401A Railway construction
CA183707A Railway rail
US1260149A Railroad-rail and support.
US1260148A Compound railroad-rail.
US1260151A Rail-chair.
US1260150A Railroad-rail and support.
US1225413A Railway-tie.