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RAIL JOINT CO

Overview
  • Total Patents
    362
About

RAIL JOINT CO has a total of 362 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets civil engineering, machine tools and machines are COUGHLIN WILLIAM G, LOCKSPIKE LTD and TAMPER INC.

Patent filings in countries

World map showing RAIL JOINT COs patent filings in countries
# Country Total Patents
#1 United States 251
#2 Canada 95
#3 France 11
#4 Austria 3
#5 Germany 1
#6 United Kingdom 1

Patent filings per year

Chart showing RAIL JOINT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wolhaupter Benjamin 54
#2 Braine Bancroft G 48
#3 Disbrow Clarkson A 40
#4 Armstrong Victor C 34
#5 Schermerhorn Edwards F 28
#6 Benjamin Wolhaupter 13
#7 Thomson William P 10
#8 Bradley William J 10
#9 Weber George A 8
#10 Lansing Horace L 5

Latest patents

Publication Filing date Title
US2628784A Insulated rail joint
US2043320A Tie plate and clip combination
US2060782A Method of fabricating splice bars
US2067387A Rail graph producing device
US1974093A Method of reforming or reconditioning rail joint splice bars
US1997949A Insulation for rail joints
US2016214A Insulated rail joint
US1892025A Splice bar for rail joints
US1851409A Rail joint shim device
US1857952A Shimmed rail joint
US1832586A Insulating head piece for rail joints
US1959381A Railway joint bar
US2020602A Rail joint
US1839725A Rail and tie plate assembly
US1852469A Spring plate holder for railroad roadbed construction
US1856652A Spring plate holder for railroad road bed construction
US1817225A Welded rail joint construction
US1800441A Shimmed rail joint
US1833550A Rail joint
US1796230A Rail joint