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CHICAGO RAILWAY SIGNAL AND SUP

Overview
  • Total Patents
    15
About

CHICAGO RAILWAY SIGNAL AND SUP has a total of 15 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States. Its main competitors in its focus markets transport, electrical machinery and energy and consumer goods are UNIPART RAIL LTD, COMPAGNIE DE SIGNAUX ELECTRIQUES POUR CHEMINS DE F and BRITISH POWER RAILWAY SIGNAL CO LTD.

Patent filings in countries

World map showing CHICAGO RAILWAY SIGNAL AND SUPs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing CHICAGO RAILWAY SIGNAL AND SUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mccarthy Daniel J 12
#2 Vogel Eugene W 1
#3 Warner Arthur L 1
#4 Christofferson Christian A 1

Latest patents

Publication Filing date Title
US1741642A Railway signal system
US1600400A Deflecting member for inside pipe carriers
US1555130A Electrical switch
US1496063A Signal system
US1563510A Lamp-locating device
US1505719A Adjustable electric-lamp support
US1498184A Light signal
US1563509A Method and means for locating lamps
US1475709A Chromatic light signal system
US1389061A Signal system
US1463623A Light-projecting apparatus
US1544919A Polarized relay
US1451166A Signal device
US1450998A Highway-crossing signal
US1412639A Rail expander and contractor