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RALSTON STEEL CAR CO

Overview
  • Total Patents
    95
About

RALSTON STEEL CAR CO has a total of 95 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, basic materials chemistry and machine tools are INTERCONTINENTALE OESTERREICHI, SAGE RALPH V and NOYON GUSTAVE.

Patent filings in countries

World map showing RALSTON STEEL CAR COs patent filings in countries
# Country Total Patents
#1 United States 90
#2 Canada 5

Patent filings per year

Chart showing RALSTON STEEL CAR COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Becker Anton 45
#2 Irwin Frank L 22
#3 Weaver Robert R 14
#4 Tesseyman John E 13
#5 Cowgill Frank M 5
#6 Symons Francis E 2
#7 Weaver Robert Roy 2
#8 Irwin Frank Lucian 1
#9 Daniell James F 1
#10 Sage Ralph V 1

Latest patents

Publication Filing date Title
US2072514A Sectional doorway
US1970346A Distilling apparatus for reclaiming used lubricating oils
US1903368A Filter press
US1397081A Car-body
US1334019A Roller-bearing for car-wheels
US1334018A Roller-bearing for car-wheels
US1292180A Hopper-bottom car.
US1295246A Hopper-bottom car.
US1237156A Tank-car.
US1263007A Drop-door-operating mechanism.
US1225103A Car-underframe.
US1264884A Underframe construction for railway-cars.
CA169622A Dumping car door
US1247913A Car-underframe.
US1247914A Car-underframe.
US1170130A Drop-door-operating mechanism for cars.
US1170129A Car-underframe.
CA166280A Dumping car
US1170128A Drop-door-operating mechanism.
US1170127A Dumping-car.