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JOSEPH T RYERSON AND SON

Overview
  • Total Patents
    11
About

JOSEPH T RYERSON AND SON has a total of 11 patent applications. Its first patent ever was published in 1910. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machine tools and machines are FAR EAST MACHINERY CO LTD, JOSLIN KINGSBURY EDWARD and KINGSBURY MACHINE TOOL CORP.

Patent filings in countries

World map showing JOSEPH T RYERSON AND SONs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United States 1

Patent filings per year

Chart showing JOSEPH T RYERSON AND SONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Conradson Conrad M 3
#2 Brinkema Robert J 2
#3 Kraut Hans Baptist 2
#4 Mikshel John J 2
#5 Knapp Stanley J 1
#6 Gilliatt Cecil W 1

Latest patents

Publication Filing date Title
US1683448A Selective geared head lathe
CA131321A Punching and shearing machine
CA131322A Punching, shearing and bar cutting machine
CA688055A Support for coiled cables or the like
CA887617A Filter structure: apparatus and method of making
CA712500A Automatic unhooking device for a chain sling
CA201698A Friction cutting machine
CA848776A Reinforced plastic filter leaf
CA215718A Carriage bed for lathes
CA215719A Planer platen guideway and bearing
CA201697A Flue cleaning machine