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RAILWAY DEVICES CO

Overview
  • Total Patents
    51
About

RAILWAY DEVICES CO has a total of 51 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are RANSOM WILLARD G, LUYERS CHARLES and CLOUD JOHN WILLS.

Patent filings in countries

World map showing RAILWAY DEVICES COs patent filings in countries
# Country Total Patents
#1 United States 40
#2 Canada 11

Patent filings per year

Chart showing RAILWAY DEVICES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Campbell Sterling H 29
#2 Pietzsch Frank H 13
#3 Hoerr Louis A 10
#4 Habenicht Frederick K 7
#5 Reuben Arkwright 2
#6 Isak Moeller 2
#7 Withrow Paul C 1

Latest patents

Publication Filing date Title
US2031691A Brake beam safety support
US1995040A Card holder and protector
US1964138A Brake slack adjuster
US1964137A Brake slack adjuster
US1935374A Hand brake
US1838445A Brake slack adjuster
US1819815A Pipe clamp
US1761209A Hand brake
US1809037A Angle cock and holder therefor
US1775420A Journal bearing for railway cars
US1726180A Forged journal-bearing wedge and process of making same
US1716521A Transition angle-cock holder
US1724512A Brake mechanism for railway cars
US1626596A Nut lock
US1597659A Fastening for air-brake pressure valves
US1600311A Fastening for air-brake-pressure valves
US1558787A Coupler-release rigging
US1597311A Coupler-release rigging
US1616086A Angle-cock holder
US1667005A Angle-cock and pipe holder