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O K TOOL CO

Overview
  • Total Patents
    56
About

O K TOOL CO has a total of 56 patent applications. Its first patent ever was published in 1902. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets machine tools and machines are CUCCHI GIOVANNI, CUSHMAN IND INC and BUCK TOOL CO.

Patent filings in countries

World map showing O K TOOL COs patent filings in countries
# Country Total Patents
#1 Canada 49
#2 United States 4
#3 United Kingdom 3

Patent filings per year

Chart showing O K TOOL COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Severson Ole 15
#2 Reaney Ernest 13
#3 Williams Thurston V 9
#4 Weddell Ralph R 5
#5 Conklin George W 2
#6 Payne Oscar V 2
#7 Williams Thurston 1
#8 Hussey Forrest A 1
#9 Comire Donald E 1
#10 Ernest Reaney 1

Latest patents

Publication Filing date Title
US2520655A Toolholder
US1495067A Hob having side-tooth inserts
US1472960A Disk cutter having staggered series of side teeth
US713001A Cutting-off tool.
CA328112A Rotary cutter tool
CA308167A Inserted blade cutting tool
CA328108A Cutter blade lock
CA696982A Inserted bit clamping means
CA373064A Tool bit and holder
CA640350A Adjustable bit clamping means
CA749603A Cutting tool
CA643285A Adjustable bit holding means
CA355940A Clamp and holder for bits
CA308556A Combined post shank and bit
CA328113A Insertable blade cutter tool
CA565704A Inserted blade cutter
CA308164A Compound taper insertable blade lock
CA783863A Cutting tool
CA389760A Tool holder and clamp
CA373065A Face milling cutter