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JOSEPH T RYERSON & SON

Overview
  • Total Patents
    29
About

JOSEPH T RYERSON & SON has a total of 29 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States, France and Germany. Its main competitors in its focus markets machine tools, machines and chemical engineering are NILESBEMENT POND COMPANY, MORTON HENRY E and EARL MORTON HENRY.

Patent filings in countries

World map showing JOSEPH T RYERSON & SONs patent filings in countries
# Country Total Patents
#1 United States 21
#2 France 7
#3 Germany 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Conradson Conrad M 7
#2 Kraut Hans B 6
#3 Kunzer John J 3
#4 Mikshel John J 2
#5 Kreer John G 1
#6 Kraut Hans 1
#7 Harry Case G 1

Latest patents

Publication Filing date Title
US1494340A Overarm for milling machines
US1659426A Milling machine
US1660477A Radial drilling machine
US1406047A Flue-cleaning machine
US1440616A Friction cutting machine
US1488737A Driving mechanism for reciprocating platens
US1459720A Actuating means for machine platens
US1488736A Clutch mechanism
US1503836A Deep-drilling machine
US1379995A Method of making drills or the like
US1379994A Method of making drills or the like
US1386159A Controlling system for feed-motors
US1035095A Punching-machine.
US1035096A Hand shearing-machine.
US1035093A Punching and shearing machine.
US1006761A Combined punching, shearing, and bar-cutting machine.
US1035092A Punching and shearing machine.
US920157A Tower.
US994755A Shearing-machine.
US1035094A Shearing or punching machine.