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TATUM JOHN J

Overview
  • Total Patents
    66
About

TATUM JOHN J has a total of 66 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and environmental technology are PRESSED STEEL CAR CO, KADEL BYERS W and KING GEORGE I.

Patent filings in countries

World map showing TATUM JOHN Js patent filings in countries
# Country Total Patents
#1 United States 64
#2 Canada 2

Patent filings per year

Chart showing TATUM JOHN Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tatum John J 66
#2 Prendergast Alois P 1

Latest patents

Publication Filing date Title
US2180450A Center sills construction for freight cars
US2167427A Open top car
US2132328A Detachable car roof
US2132327A Floating diaphragm for vestibule cars
US2106988A Car roof structure
US2044515A Car body construction
US2069688A Cushioning means for vehicles
US2055055A Car roof structure
US2044514A Journal box bearing
US2085836A Arm rest for reclining coach seats
US2044513A Car body construction
US2021674A Car roof
US2068895A Hopper door and hopper door latch
US2029644A Car spring mounting
US1997704A Hopper doorlock and lock mounting
US1979235A Car truck
US1940776A Car roof structure
US1874653A Car coupler
US1916343A Railway freight car construction
US1933459A Railway car truck