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SMITH FRANK W

Overview
  • Total Patents
    22
About

SMITH FRANK W has a total of 22 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, thermal processes and agriculture are FERNANDES RIBEIRO MARIO, HERMAN ULANET and CHERRY ELECTRICAL PROD.

Patent filings in countries

World map showing SMITH FRANK Ws patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 2

Patent filings per year

Chart showing SMITH FRANK Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Frank W 22
#2 Larsen Louis 2
#3 Smith William H 1
#4 Livingston George D 1
#5 Conkling De Witt C 1

Latest patents

Publication Filing date Title
US2664000A Refrigerating apparatus for transportation devices
US2592965A Computing device
US1999485A Business and discount card
US1844265A Syringe
US1371819A Tractor
US1374328A Antislip device for vehicle-wheels
US1442983A Can-handling machine
US1282478A Regulator for electric furnaces.
US1301613A Timing device.
US1169292A Separator.
US1053886A Horseshoe.
US941660A Electric switch.
US951851A Electric switch.
US969210A Slitter for corn-cutters.
US933726A Telegraph-key.
US1031387A Alternating-current switch.
US906317A Alternating-current switch.
US947087A Coin device for vending-machines.
US797871A Folding crate.
US792738A Electric cigar or lamp lighter.