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DOBLE RALPH N

Overview
  • Total Patents
    13
About

DOBLE RALPH N has a total of 13 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, machines and agriculture are SCHNYDER VIKTOR, SIGNODE STEEL STRAPPING CO and PITTACUS SA.

Patent filings in countries

World map showing DOBLE RALPH Ns patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 1

Patent filings per year

Chart showing DOBLE RALPH Ns patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Doble Ralph N 13

Latest patents

Publication Filing date Title
US2560093A Lawn seeder
US2492035A Weed puller
US2187417A Tea bag, coffee bag, and the like
US2223445A Web feeding mechanism for packaging machines
US2165841A Packaging machine
US2165840A Tea bag, coffee bag, and the like and method of making the same
US2210114A Apparatus for making tea bags, coffee bags, and the like
US2219682A Sheet cutter for packaging machines
US2118551A Tea bag, coffee bag, and the like, and method of making the same
US2147831A Tea bag, coffee bag, and the like
US2157656A Tea bag, coffee bag, and the like
US1757008A Coin holder
CA388477A Tea or coffee bag